/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_20-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:19:05,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:19:05,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:19:05,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:19:05,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:19:05,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:19:05,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:19:05,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:19:05,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:19:05,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:19:05,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:19:05,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:19:05,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:19:05,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:19:05,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:19:05,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:19:05,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:19:05,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:19:05,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:19:05,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:19:05,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:19:05,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:19:05,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:19:05,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:19:05,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 11:19:05,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 11:19:05,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 11:19:05,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 11:19:05,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 11:19:05,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 11:19:05,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 11:19:05,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 11:19:05,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 11:19:05,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 11:19:05,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 11:19:05,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 11:19:05,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 11:19:05,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 11:19:05,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:19:05,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:19:05,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:19:05,843 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 [2020-08-18 11:19:05,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:19:05,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:19:05,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:19:05,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:19:05,884 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:19:05,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:19:05,884 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:19:05,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:19:05,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:19:05,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:19:05,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:19:05,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:19:05,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:19:05,887 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:19:05,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:19:05,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:19:05,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:19:05,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:19:05,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:19:05,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:19:05,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:19:05,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:19:05,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:19:05,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:19:05,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:19:05,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:19:05,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:19:05,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:19:05,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:19:05,890 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 [2020-08-18 11:19:06,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:19:06,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:19:06,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:19:06,227 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:19:06,227 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:19:06,228 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_20-1.c [2020-08-18 11:19:06,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25d79e886/28ce91d58e274c5c84dc0a0ae528a14b/FLAGba2aeb11b [2020-08-18 11:19:06,729 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:19:06,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_20-1.c [2020-08-18 11:19:06,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25d79e886/28ce91d58e274c5c84dc0a0ae528a14b/FLAGba2aeb11b [2020-08-18 11:19:07,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25d79e886/28ce91d58e274c5c84dc0a0ae528a14b [2020-08-18 11:19:07,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:19:07,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:19:07,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:19:07,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:19:07,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:19:07,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:19:07" (1/1) ... [2020-08-18 11:19:07,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb53380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07, skipping insertion in model container [2020-08-18 11:19:07,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:19:07" (1/1) ... [2020-08-18 11:19:07,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:19:07,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:19:07,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:19:07,409 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:19:07,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:19:07,437 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:19:07,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07 WrapperNode [2020-08-18 11:19:07,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:19:07,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:19:07,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:19:07,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:19:07,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07" (1/1) ... [2020-08-18 11:19:07,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07" (1/1) ... [2020-08-18 11:19:07,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07" (1/1) ... [2020-08-18 11:19:07,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07" (1/1) ... [2020-08-18 11:19:07,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07" (1/1) ... [2020-08-18 11:19:07,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07" (1/1) ... [2020-08-18 11:19:07,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07" (1/1) ... [2020-08-18 11:19:07,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:19:07,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:19:07,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:19:07,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:19:07,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:19:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:19:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:19:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-18 11:19:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-18 11:19:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:19:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:19:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-18 11:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-18 11:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:19:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:19:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:19:07,848 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:19:07,849 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 11:19:07,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:19:07 BoogieIcfgContainer [2020-08-18 11:19:07,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:19:07,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:19:07,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:19:07,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:19:07,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:19:07" (1/3) ... [2020-08-18 11:19:07,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1e5b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:19:07, skipping insertion in model container [2020-08-18 11:19:07,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:07" (2/3) ... [2020-08-18 11:19:07,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1e5b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:19:07, skipping insertion in model container [2020-08-18 11:19:07,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:19:07" (3/3) ... [2020-08-18 11:19:07,898 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_20-1.c [2020-08-18 11:19:07,917 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:19:07,926 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:19:07,940 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:19:07,967 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:19:07,967 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:19:07,967 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:19:07,967 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:19:07,968 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:19:07,968 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:19:07,968 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:19:07,968 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:19:07,984 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-18 11:19:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-18 11:19:07,990 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:07,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:07,991 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:07,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:07,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-18 11:19:08,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:08,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225978339] [2020-08-18 11:19:08,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:19:08,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225978339] [2020-08-18 11:19:08,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:19:08,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:19:08,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638927175] [2020-08-18 11:19:08,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:19:08,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:08,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:19:08,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:19:08,244 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-18 11:19:08,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:08,360 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-18 11:19:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 11:19:08,362 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-18 11:19:08,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:08,372 INFO L225 Difference]: With dead ends: 44 [2020-08-18 11:19:08,372 INFO L226 Difference]: Without dead ends: 30 [2020-08-18 11:19:08,375 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 [2020-08-18 11:19:08,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-18 11:19:08,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-18 11:19:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-18 11:19:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-18 11:19:08,418 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-18 11:19:08,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:08,418 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-18 11:19:08,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:19:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-18 11:19:08,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-18 11:19:08,421 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:08,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:08,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:19:08,422 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:08,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:08,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-18 11:19:08,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:08,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448364001] [2020-08-18 11:19:08,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:19:08,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448364001] [2020-08-18 11:19:08,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:19:08,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:19:08,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235768278] [2020-08-18 11:19:08,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:19:08,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:08,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:19:08,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:19:08,499 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-18 11:19:08,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:08,566 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-18 11:19:08,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 11:19:08,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-18 11:19:08,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:08,569 INFO L225 Difference]: With dead ends: 36 [2020-08-18 11:19:08,569 INFO L226 Difference]: Without dead ends: 32 [2020-08-18 11:19:08,570 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 [2020-08-18 11:19:08,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-18 11:19:08,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-18 11:19:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-18 11:19:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-18 11:19:08,580 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-18 11:19:08,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:08,581 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-18 11:19:08,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:19:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-18 11:19:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-18 11:19:08,583 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:08,583 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] [2020-08-18 11:19:08,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:19:08,584 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:08,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-18 11:19:08,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:08,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912486560] [2020-08-18 11:19:08,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:19:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 11:19:08,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912486560] [2020-08-18 11:19:08,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:08,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:19:08,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988358074] [2020-08-18 11:19:08,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:19:08,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:08,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:19:08,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:19:08,751 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-18 11:19:08,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:08,838 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-18 11:19:08,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:19:08,838 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-18 11:19:08,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:08,840 INFO L225 Difference]: With dead ends: 58 [2020-08-18 11:19:08,840 INFO L226 Difference]: Without dead ends: 34 [2020-08-18 11:19:08,842 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 [2020-08-18 11:19:08,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-18 11:19:08,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-18 11:19:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-18 11:19:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-18 11:19:08,852 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-18 11:19:08,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:08,852 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-18 11:19:08,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:19:08,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-18 11:19:08,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-18 11:19:08,855 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:08,855 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] [2020-08-18 11:19:08,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:19:08,856 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:08,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:08,856 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-18 11:19:08,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:08,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941627368] [2020-08-18 11:19:08,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 11:19:09,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941627368] [2020-08-18 11:19:09,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:09,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:19:09,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533902802] [2020-08-18 11:19:09,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:19:09,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:09,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:19:09,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:19:09,043 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-18 11:19:09,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:09,229 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-18 11:19:09,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:19:09,230 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-18 11:19:09,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:09,233 INFO L225 Difference]: With dead ends: 54 [2020-08-18 11:19:09,234 INFO L226 Difference]: Without dead ends: 50 [2020-08-18 11:19:09,234 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 [2020-08-18 11:19:09,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-18 11:19:09,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-18 11:19:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-18 11:19:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-18 11:19:09,248 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-18 11:19:09,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:09,248 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-18 11:19:09,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:19:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-18 11:19:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-18 11:19:09,250 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:09,251 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] [2020-08-18 11:19:09,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:19:09,251 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:09,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:09,252 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-18 11:19:09,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:09,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843248499] [2020-08-18 11:19:09,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:19:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:19:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 11:19:09,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843248499] [2020-08-18 11:19:09,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:09,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 11:19:09,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226810428] [2020-08-18 11:19:09,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 11:19:09,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:09,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 11:19:09,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-18 11:19:09,380 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-18 11:19:09,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:09,475 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-18 11:19:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 11:19:09,477 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-18 11:19:09,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:09,478 INFO L225 Difference]: With dead ends: 94 [2020-08-18 11:19:09,479 INFO L226 Difference]: Without dead ends: 52 [2020-08-18 11:19:09,482 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 [2020-08-18 11:19:09,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-18 11:19:09,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-18 11:19:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-18 11:19:09,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-18 11:19:09,501 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-18 11:19:09,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:09,501 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-18 11:19:09,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 11:19:09,502 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-18 11:19:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-18 11:19:09,511 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:09,511 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] [2020-08-18 11:19:09,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:19:09,514 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:09,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:09,514 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-18 11:19:09,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:09,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548894196] [2020-08-18 11:19:09,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 11:19:09,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548894196] [2020-08-18 11:19:09,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:09,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:19:09,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417048328] [2020-08-18 11:19:09,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:19:09,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:09,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:19:09,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:19:09,717 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-18 11:19:09,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:09,827 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-18 11:19:09,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 11:19:09,828 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-18 11:19:09,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:09,830 INFO L225 Difference]: With dead ends: 103 [2020-08-18 11:19:09,830 INFO L226 Difference]: Without dead ends: 57 [2020-08-18 11:19:09,831 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 [2020-08-18 11:19:09,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-18 11:19:09,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-18 11:19:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-18 11:19:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-18 11:19:09,846 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-18 11:19:09,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:09,846 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-18 11:19:09,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:19:09,847 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-18 11:19:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-18 11:19:09,849 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:09,849 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] [2020-08-18 11:19:09,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 11:19:09,850 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:09,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:09,850 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-18 11:19:09,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:09,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413128795] [2020-08-18 11:19:09,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 11:19:09,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [413128795] [2020-08-18 11:19:09,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:09,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:19:09,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657245008] [2020-08-18 11:19:09,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:19:09,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:09,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:19:09,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:19:09,966 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-18 11:19:10,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:10,176 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-18 11:19:10,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 11:19:10,177 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-18 11:19:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:10,182 INFO L225 Difference]: With dead ends: 86 [2020-08-18 11:19:10,182 INFO L226 Difference]: Without dead ends: 82 [2020-08-18 11:19:10,184 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 [2020-08-18 11:19:10,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-18 11:19:10,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-18 11:19:10,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-18 11:19:10,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-18 11:19:10,218 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-18 11:19:10,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:10,221 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-18 11:19:10,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:19:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-18 11:19:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-18 11:19:10,224 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:10,228 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] [2020-08-18 11:19:10,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 11:19:10,229 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:10,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:10,229 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-18 11:19:10,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:10,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772746966] [2020-08-18 11:19:10,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 11:19:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-18 11:19:10,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772746966] [2020-08-18 11:19:10,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:10,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:19:10,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662051331] [2020-08-18 11:19:10,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:19:10,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:10,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:19:10,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:19:10,412 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-18 11:19:10,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:10,560 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-18 11:19:10,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:19:10,561 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-18 11:19:10,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:10,563 INFO L225 Difference]: With dead ends: 167 [2020-08-18 11:19:10,563 INFO L226 Difference]: Without dead ends: 94 [2020-08-18 11:19:10,565 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 [2020-08-18 11:19:10,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-18 11:19:10,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-18 11:19:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-18 11:19:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-18 11:19:10,583 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-18 11:19:10,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:10,583 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-18 11:19:10,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:19:10,583 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-18 11:19:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-18 11:19:10,586 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:10,587 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] [2020-08-18 11:19:10,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 11:19:10,587 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:10,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:10,588 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-18 11:19:10,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:10,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210417435] [2020-08-18 11:19:10,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 11:19:10,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210417435] [2020-08-18 11:19:10,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:10,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 11:19:10,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320660788] [2020-08-18 11:19:10,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:19:10,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:10,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:19:10,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:19:10,778 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-18 11:19:11,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:11,002 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-18 11:19:11,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 11:19:11,003 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-18 11:19:11,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:11,006 INFO L225 Difference]: With dead ends: 188 [2020-08-18 11:19:11,006 INFO L226 Difference]: Without dead ends: 109 [2020-08-18 11:19:11,007 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 [2020-08-18 11:19:11,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-18 11:19:11,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-18 11:19:11,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 11:19:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-18 11:19:11,025 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-18 11:19:11,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:11,026 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-18 11:19:11,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:19:11,026 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-18 11:19:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-18 11:19:11,028 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:11,029 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] [2020-08-18 11:19:11,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 11:19:11,029 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:11,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:11,030 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-18 11:19:11,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:11,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380971172] [2020-08-18 11:19:11,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-18 11:19:11,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380971172] [2020-08-18 11:19:11,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:11,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 11:19:11,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935352492] [2020-08-18 11:19:11,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 11:19:11,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:11,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 11:19:11,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:19:11,258 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-18 11:19:11,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:11,692 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-18 11:19:11,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-18 11:19:11,699 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-18 11:19:11,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:11,701 INFO L225 Difference]: With dead ends: 199 [2020-08-18 11:19:11,702 INFO L226 Difference]: Without dead ends: 86 [2020-08-18 11:19:11,703 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 [2020-08-18 11:19:11,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-18 11:19:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-18 11:19:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-18 11:19:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-18 11:19:11,727 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-18 11:19:11,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:11,728 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-18 11:19:11,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 11:19:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-18 11:19:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-18 11:19:11,730 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:11,731 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] [2020-08-18 11:19:11,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 11:19:11,731 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:11,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:11,732 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-18 11:19:11,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:11,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2085880661] [2020-08-18 11:19:11,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 11:19:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-18 11:19:12,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2085880661] [2020-08-18 11:19:12,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:12,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 11:19:12,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884609791] [2020-08-18 11:19:12,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:19:12,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:12,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:19:12,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:19:12,010 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-18 11:19:12,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:12,194 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-18 11:19:12,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 11:19:12,195 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-18 11:19:12,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:12,196 INFO L225 Difference]: With dead ends: 142 [2020-08-18 11:19:12,197 INFO L226 Difference]: Without dead ends: 78 [2020-08-18 11:19:12,198 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 [2020-08-18 11:19:12,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-18 11:19:12,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-18 11:19:12,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-18 11:19:12,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-18 11:19:12,219 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-18 11:19:12,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:12,220 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-18 11:19:12,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:19:12,220 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-18 11:19:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-18 11:19:12,223 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:12,223 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] [2020-08-18 11:19:12,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 11:19:12,224 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:12,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:12,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-18 11:19:12,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:12,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694102037] [2020-08-18 11:19:12,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-18 11:19:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 11:19:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-18 11:19:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,824 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-18 11:19:12,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694102037] [2020-08-18 11:19:12,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:12,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-18 11:19:12,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659764812] [2020-08-18 11:19:12,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-18 11:19:12,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:12,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-18 11:19:12,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-18 11:19:12,827 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-18 11:19:13,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:13,384 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-18 11:19:13,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-18 11:19:13,384 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-18 11:19:13,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:13,387 INFO L225 Difference]: With dead ends: 184 [2020-08-18 11:19:13,387 INFO L226 Difference]: Without dead ends: 111 [2020-08-18 11:19:13,389 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 [2020-08-18 11:19:13,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-18 11:19:13,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-18 11:19:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 11:19:13,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-18 11:19:13,400 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-18 11:19:13,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:13,401 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-18 11:19:13,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-18 11:19:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-18 11:19:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-18 11:19:13,404 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:13,404 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] [2020-08-18 11:19:13,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 11:19:13,405 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:13,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:13,405 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-18 11:19:13,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:13,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076614039] [2020-08-18 11:19:13,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-18 11:19:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-18 11:19:13,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076614039] [2020-08-18 11:19:13,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:13,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 11:19:13,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65506671] [2020-08-18 11:19:13,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 11:19:13,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:13,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 11:19:13,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 11:19:13,709 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-18 11:19:13,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:13,957 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-18 11:19:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 11:19:13,959 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-18 11:19:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:13,961 INFO L225 Difference]: With dead ends: 188 [2020-08-18 11:19:13,961 INFO L226 Difference]: Without dead ends: 101 [2020-08-18 11:19:13,962 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 [2020-08-18 11:19:13,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-18 11:19:13,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-18 11:19:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-18 11:19:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-18 11:19:13,973 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-18 11:19:13,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:13,973 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-18 11:19:13,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 11:19:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-18 11:19:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 11:19:13,976 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:13,976 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] [2020-08-18 11:19:13,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 11:19:13,977 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:13,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:13,977 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-18 11:19:13,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:13,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655935539] [2020-08-18 11:19:13,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-18 11:19:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-18 11:19:14,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655935539] [2020-08-18 11:19:14,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:14,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 11:19:14,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76263567] [2020-08-18 11:19:14,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 11:19:14,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:14,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 11:19:14,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:19:14,406 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-18 11:19:15,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:15,037 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-18 11:19:15,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 11:19:15,038 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-18 11:19:15,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:15,041 INFO L225 Difference]: With dead ends: 224 [2020-08-18 11:19:15,041 INFO L226 Difference]: Without dead ends: 131 [2020-08-18 11:19:15,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-18 11:19:15,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-18 11:19:15,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-18 11:19:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-18 11:19:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-18 11:19:15,053 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-18 11:19:15,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:15,053 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-18 11:19:15,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 11:19:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-18 11:19:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 11:19:15,056 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:15,056 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] [2020-08-18 11:19:15,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-18 11:19:15,057 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:15,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:15,057 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-18 11:19:15,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:15,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871345029] [2020-08-18 11:19:15,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,357 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-18 11:19:15,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871345029] [2020-08-18 11:19:15,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:15,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 11:19:15,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209757527] [2020-08-18 11:19:15,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 11:19:15,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:15,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 11:19:15,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-18 11:19:15,360 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-18 11:19:15,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:15,662 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-18 11:19:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 11:19:15,663 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-18 11:19:15,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:15,667 INFO L225 Difference]: With dead ends: 244 [2020-08-18 11:19:15,667 INFO L226 Difference]: Without dead ends: 240 [2020-08-18 11:19:15,668 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 [2020-08-18 11:19:15,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-18 11:19:15,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-18 11:19:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-18 11:19:15,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-18 11:19:15,688 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-18 11:19:15,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:15,688 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-18 11:19:15,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 11:19:15,689 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-18 11:19:15,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-08-18 11:19:15,695 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:15,695 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 26, 26, 22, 21, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 8, 8, 8, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:15,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-18 11:19:15,696 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:15,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:15,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1635105538, now seen corresponding path program 4 times [2020-08-18 11:19:15,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:15,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128397875] [2020-08-18 11:19:15,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-18 11:19:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-08-18 11:19:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-18 11:19:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4041 backedges. 201 proven. 576 refuted. 0 times theorem prover too weak. 3264 trivial. 0 not checked. [2020-08-18 11:19:16,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128397875] [2020-08-18 11:19:16,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:16,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 11:19:16,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115747648] [2020-08-18 11:19:16,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 11:19:16,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:16,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 11:19:16,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 11:19:16,583 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-18 11:19:16,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:16,841 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-18 11:19:16,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 11:19:16,841 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 380 [2020-08-18 11:19:16,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:16,846 INFO L225 Difference]: With dead ends: 429 [2020-08-18 11:19:16,846 INFO L226 Difference]: Without dead ends: 225 [2020-08-18 11:19:16,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-18 11:19:16,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-18 11:19:16,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-18 11:19:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-18 11:19:16,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-18 11:19:16,877 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 380 [2020-08-18 11:19:16,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:16,878 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-18 11:19:16,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 11:19:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-18 11:19:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-18 11:19:16,883 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:16,884 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:16,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-18 11:19:16,884 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:16,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:16,886 INFO L82 PathProgramCache]: Analyzing trace with hash 657587316, now seen corresponding path program 5 times [2020-08-18 11:19:16,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:16,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [324072074] [2020-08-18 11:19:16,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-18 11:19:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 200 proven. 324 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-18 11:19:17,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [324072074] [2020-08-18 11:19:17,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:17,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 11:19:17,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125781616] [2020-08-18 11:19:17,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 11:19:17,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:17,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 11:19:17,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:19:17,441 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 14 states. [2020-08-18 11:19:17,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:17,922 INFO L93 Difference]: Finished difference Result 454 states and 689 transitions. [2020-08-18 11:19:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-18 11:19:17,923 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-08-18 11:19:17,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:17,930 INFO L225 Difference]: With dead ends: 454 [2020-08-18 11:19:17,930 INFO L226 Difference]: Without dead ends: 246 [2020-08-18 11:19:17,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-18 11:19:17,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-08-18 11:19:17,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2020-08-18 11:19:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-08-18 11:19:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2020-08-18 11:19:17,959 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 218 [2020-08-18 11:19:17,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:17,959 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2020-08-18 11:19:17,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 11:19:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2020-08-18 11:19:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-18 11:19:17,965 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:17,965 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] [2020-08-18 11:19:17,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-18 11:19:17,966 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:17,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:17,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 6 times [2020-08-18 11:19:17,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:17,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511871813] [2020-08-18 11:19:17,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-18 11:19:18,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511871813] [2020-08-18 11:19:18,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:18,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 11:19:18,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438329527] [2020-08-18 11:19:18,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 11:19:18,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:18,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 11:19:18,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:19:18,833 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand 12 states. [2020-08-18 11:19:19,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:19,167 INFO L93 Difference]: Finished difference Result 487 states and 755 transitions. [2020-08-18 11:19:19,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 11:19:19,168 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-18 11:19:19,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:19,179 INFO L225 Difference]: With dead ends: 487 [2020-08-18 11:19:19,179 INFO L226 Difference]: Without dead ends: 483 [2020-08-18 11:19:19,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-18 11:19:19,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-08-18 11:19:19,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2020-08-18 11:19:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-18 11:19:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 717 transitions. [2020-08-18 11:19:19,234 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 717 transitions. Word has length 286 [2020-08-18 11:19:19,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:19,234 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 717 transitions. [2020-08-18 11:19:19,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 11:19:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 717 transitions. [2020-08-18 11:19:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-08-18 11:19:19,247 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:19,248 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 24, 22, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 8, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:19,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-18 11:19:19,248 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:19,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:19,249 INFO L82 PathProgramCache]: Analyzing trace with hash 2114796199, now seen corresponding path program 7 times [2020-08-18 11:19:19,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:19,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1549772908] [2020-08-18 11:19:19,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-18 11:19:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-18 11:19:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 289 proven. 900 refuted. 0 times theorem prover too weak. 3182 trivial. 0 not checked. [2020-08-18 11:19:20,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1549772908] [2020-08-18 11:19:20,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:20,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 11:19:20,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634514498] [2020-08-18 11:19:20,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 11:19:20,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:20,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 11:19:20,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:19:20,217 INFO L87 Difference]: Start difference. First operand 463 states and 717 transitions. Second operand 14 states. [2020-08-18 11:19:20,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:20,635 INFO L93 Difference]: Finished difference Result 978 states and 1610 transitions. [2020-08-18 11:19:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-18 11:19:20,636 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 395 [2020-08-18 11:19:20,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:20,644 INFO L225 Difference]: With dead ends: 978 [2020-08-18 11:19:20,645 INFO L226 Difference]: Without dead ends: 529 [2020-08-18 11:19:20,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-18 11:19:20,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-08-18 11:19:20,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 502. [2020-08-18 11:19:20,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-08-18 11:19:20,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 738 transitions. [2020-08-18 11:19:20,689 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 738 transitions. Word has length 395 [2020-08-18 11:19:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:20,690 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 738 transitions. [2020-08-18 11:19:20,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 11:19:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 738 transitions. [2020-08-18 11:19:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-08-18 11:19:20,696 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:20,697 INFO L422 BasicCegarLoop]: trace histogram [49, 49, 48, 48, 40, 38, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 16, 14, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:20,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-18 11:19:20,697 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:20,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:20,698 INFO L82 PathProgramCache]: Analyzing trace with hash -85106141, now seen corresponding path program 8 times [2020-08-18 11:19:20,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:20,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421626133] [2020-08-18 11:19:20,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-18 11:19:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 11:19:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:22,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12907 backedges. 1905 proven. 2947 refuted. 0 times theorem prover too weak. 8055 trivial. 0 not checked. [2020-08-18 11:19:23,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421626133] [2020-08-18 11:19:23,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:23,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-18 11:19:23,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027486261] [2020-08-18 11:19:23,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-18 11:19:23,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:23,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-18 11:19:24,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2020-08-18 11:19:24,000 INFO L87 Difference]: Start difference. First operand 502 states and 738 transitions. Second operand 29 states. [2020-08-18 11:19:25,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:25,909 INFO L93 Difference]: Finished difference Result 751 states and 1196 transitions. [2020-08-18 11:19:25,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-08-18 11:19:25,910 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 667 [2020-08-18 11:19:25,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:25,914 INFO L225 Difference]: With dead ends: 751 [2020-08-18 11:19:25,914 INFO L226 Difference]: Without dead ends: 215 [2020-08-18 11:19:25,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=588, Invalid=4814, Unknown=0, NotChecked=0, Total=5402 [2020-08-18 11:19:25,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-08-18 11:19:25,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 165. [2020-08-18 11:19:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-18 11:19:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 225 transitions. [2020-08-18 11:19:25,937 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 225 transitions. Word has length 667 [2020-08-18 11:19:25,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:25,938 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 225 transitions. [2020-08-18 11:19:25,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-18 11:19:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2020-08-18 11:19:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-08-18 11:19:25,943 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:25,943 INFO L422 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 31, 31, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 12, 12, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:25,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-18 11:19:25,944 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:25,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:25,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1759823621, now seen corresponding path program 9 times [2020-08-18 11:19:25,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:25,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016504680] [2020-08-18 11:19:25,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-08-18 11:19:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8074 backedges. 704 proven. 1703 refuted. 0 times theorem prover too weak. 5667 trivial. 0 not checked. [2020-08-18 11:19:27,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016504680] [2020-08-18 11:19:27,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:27,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 11:19:27,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131874034] [2020-08-18 11:19:27,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 11:19:27,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:27,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 11:19:27,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-08-18 11:19:27,783 INFO L87 Difference]: Start difference. First operand 165 states and 225 transitions. Second operand 18 states. [2020-08-18 11:19:28,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:28,823 INFO L93 Difference]: Finished difference Result 374 states and 586 transitions. [2020-08-18 11:19:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-18 11:19:28,824 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 531 [2020-08-18 11:19:28,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:28,830 INFO L225 Difference]: With dead ends: 374 [2020-08-18 11:19:28,831 INFO L226 Difference]: Without dead ends: 226 [2020-08-18 11:19:28,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=293, Invalid=1777, Unknown=0, NotChecked=0, Total=2070 [2020-08-18 11:19:28,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-08-18 11:19:28,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 183. [2020-08-18 11:19:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-08-18 11:19:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 256 transitions. [2020-08-18 11:19:28,854 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 256 transitions. Word has length 531 [2020-08-18 11:19:28,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:28,856 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 256 transitions. [2020-08-18 11:19:28,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 11:19:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 256 transitions. [2020-08-18 11:19:28,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-18 11:19:28,864 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:28,865 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 14, 12, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:28,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-18 11:19:28,866 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:28,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:28,866 INFO L82 PathProgramCache]: Analyzing trace with hash 2122481566, now seen corresponding path program 10 times [2020-08-18 11:19:28,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:28,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354953237] [2020-08-18 11:19:28,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:29,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9413 backedges. 913 proven. 1781 refuted. 0 times theorem prover too weak. 6719 trivial. 0 not checked. [2020-08-18 11:19:30,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354953237] [2020-08-18 11:19:30,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:30,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-18 11:19:30,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117836110] [2020-08-18 11:19:30,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-18 11:19:30,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:30,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-18 11:19:30,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-18 11:19:30,892 INFO L87 Difference]: Start difference. First operand 183 states and 256 transitions. Second operand 20 states. [2020-08-18 11:19:32,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:32,142 INFO L93 Difference]: Finished difference Result 374 states and 594 transitions. [2020-08-18 11:19:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-18 11:19:32,146 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 572 [2020-08-18 11:19:32,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:32,150 INFO L225 Difference]: With dead ends: 374 [2020-08-18 11:19:32,150 INFO L226 Difference]: Without dead ends: 214 [2020-08-18 11:19:32,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-08-18 11:19:32,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-08-18 11:19:32,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 207. [2020-08-18 11:19:32,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-08-18 11:19:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 299 transitions. [2020-08-18 11:19:32,179 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 299 transitions. Word has length 572 [2020-08-18 11:19:32,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:32,180 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 299 transitions. [2020-08-18 11:19:32,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-18 11:19:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 299 transitions. [2020-08-18 11:19:32,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-08-18 11:19:32,191 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:32,191 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] [2020-08-18 11:19:32,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-18 11:19:32,192 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:32,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:32,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1490795651, now seen corresponding path program 11 times [2020-08-18 11:19:32,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:32,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277286707] [2020-08-18 11:19:32,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-18 11:19:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 11:19:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:33,965 INFO L134 CoverageAnalysis]: Checked inductivity of 11869 backedges. 567 proven. 1942 refuted. 0 times theorem prover too weak. 9360 trivial. 0 not checked. [2020-08-18 11:19:33,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277286707] [2020-08-18 11:19:33,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:33,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 11:19:33,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501273403] [2020-08-18 11:19:33,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 11:19:33,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:33,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 11:19:33,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-18 11:19:33,968 INFO L87 Difference]: Start difference. First operand 207 states and 299 transitions. Second operand 16 states. [2020-08-18 11:19:34,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:34,601 INFO L93 Difference]: Finished difference Result 407 states and 612 transitions. [2020-08-18 11:19:34,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 11:19:34,602 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 640 [2020-08-18 11:19:34,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:34,606 INFO L225 Difference]: With dead ends: 407 [2020-08-18 11:19:34,606 INFO L226 Difference]: Without dead ends: 228 [2020-08-18 11:19:34,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-18 11:19:34,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-08-18 11:19:34,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 215. [2020-08-18 11:19:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-08-18 11:19:34,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 309 transitions. [2020-08-18 11:19:34,622 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 309 transitions. Word has length 640 [2020-08-18 11:19:34,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:34,623 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 309 transitions. [2020-08-18 11:19:34,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 11:19:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 309 transitions. [2020-08-18 11:19:34,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2020-08-18 11:19:34,630 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:34,631 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] [2020-08-18 11:19:34,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-18 11:19:34,631 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:34,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:34,632 INFO L82 PathProgramCache]: Analyzing trace with hash 566872508, now seen corresponding path program 12 times [2020-08-18 11:19:34,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:34,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100091732] [2020-08-18 11:19:34,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:34,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:34,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:35,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-18 11:19:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:36,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 18248 backedges. 879 proven. 2682 refuted. 0 times theorem prover too weak. 14687 trivial. 0 not checked. [2020-08-18 11:19:37,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100091732] [2020-08-18 11:19:37,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:37,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 11:19:37,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643957726] [2020-08-18 11:19:37,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 11:19:37,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:37,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 11:19:37,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 11:19:37,088 INFO L87 Difference]: Start difference. First operand 215 states and 309 transitions. Second operand 18 states. [2020-08-18 11:19:37,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:37,877 INFO L93 Difference]: Finished difference Result 421 states and 620 transitions. [2020-08-18 11:19:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-18 11:19:37,877 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 790 [2020-08-18 11:19:37,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:37,881 INFO L225 Difference]: With dead ends: 421 [2020-08-18 11:19:37,882 INFO L226 Difference]: Without dead ends: 234 [2020-08-18 11:19:37,884 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 [2020-08-18 11:19:37,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-08-18 11:19:37,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 205. [2020-08-18 11:19:37,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-08-18 11:19:37,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 284 transitions. [2020-08-18 11:19:37,902 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 284 transitions. Word has length 790 [2020-08-18 11:19:37,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:37,903 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 284 transitions. [2020-08-18 11:19:37,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 11:19:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 284 transitions. [2020-08-18 11:19:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2020-08-18 11:19:37,914 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:37,914 INFO L422 BasicCegarLoop]: trace histogram [69, 69, 66, 66, 55, 54, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 22, 20, 14, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:37,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-18 11:19:37,917 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:37,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:37,918 INFO L82 PathProgramCache]: Analyzing trace with hash 2005403070, now seen corresponding path program 13 times [2020-08-18 11:19:37,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:37,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293710753] [2020-08-18 11:19:37,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 11:19:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:40,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 25236 backedges. 1773 proven. 3546 refuted. 0 times theorem prover too weak. 19917 trivial. 0 not checked. [2020-08-18 11:19:41,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293710753] [2020-08-18 11:19:41,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:41,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-18 11:19:41,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177177644] [2020-08-18 11:19:41,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-18 11:19:41,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:41,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-18 11:19:41,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-08-18 11:19:41,194 INFO L87 Difference]: Start difference. First operand 205 states and 284 transitions. Second operand 22 states. [2020-08-18 11:19:42,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:42,787 INFO L93 Difference]: Finished difference Result 444 states and 713 transitions. [2020-08-18 11:19:42,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-08-18 11:19:42,788 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 926 [2020-08-18 11:19:42,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:42,793 INFO L225 Difference]: With dead ends: 444 [2020-08-18 11:19:42,793 INFO L226 Difference]: Without dead ends: 260 [2020-08-18 11:19:42,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 905 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=436, Invalid=2986, Unknown=0, NotChecked=0, Total=3422 [2020-08-18 11:19:42,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-08-18 11:19:42,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 250. [2020-08-18 11:19:42,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-08-18 11:19:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 359 transitions. [2020-08-18 11:19:42,822 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 359 transitions. Word has length 926 [2020-08-18 11:19:42,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:42,823 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 359 transitions. [2020-08-18 11:19:42,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-18 11:19:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 359 transitions. [2020-08-18 11:19:42,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1581 [2020-08-18 11:19:42,855 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:42,856 INFO L422 BasicCegarLoop]: trace histogram [117, 117, 114, 114, 94, 93, 58, 58, 58, 58, 58, 58, 58, 57, 57, 57, 57, 57, 57, 57, 36, 36, 24, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:42,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-18 11:19:42,857 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:42,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:42,858 INFO L82 PathProgramCache]: Analyzing trace with hash 592452606, now seen corresponding path program 14 times [2020-08-18 11:19:42,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:42,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313662518] [2020-08-18 11:19:42,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:44,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:44,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:45,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:45,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-18 11:19:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:46,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2020-08-18 11:19:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-18 11:19:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:47,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:48,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 74553 backedges. 1235 proven. 6687 refuted. 0 times theorem prover too weak. 66631 trivial. 0 not checked. [2020-08-18 11:19:50,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313662518] [2020-08-18 11:19:50,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:50,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 11:19:50,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114196011] [2020-08-18 11:19:50,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 11:19:50,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:50,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 11:19:50,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 11:19:50,284 INFO L87 Difference]: Start difference. First operand 250 states and 359 transitions. Second operand 18 states. [2020-08-18 11:19:51,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:51,182 INFO L93 Difference]: Finished difference Result 507 states and 761 transitions. [2020-08-18 11:19:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-18 11:19:51,183 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1580 [2020-08-18 11:19:51,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:51,191 INFO L225 Difference]: With dead ends: 507 [2020-08-18 11:19:51,192 INFO L226 Difference]: Without dead ends: 283 [2020-08-18 11:19:51,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-18 11:19:51,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-08-18 11:19:51,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 265. [2020-08-18 11:19:51,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-08-18 11:19:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 377 transitions. [2020-08-18 11:19:51,213 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 377 transitions. Word has length 1580 [2020-08-18 11:19:51,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:51,214 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 377 transitions. [2020-08-18 11:19:51,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 11:19:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 377 transitions. [2020-08-18 11:19:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2139 [2020-08-18 11:19:51,255 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:51,257 INFO L422 BasicCegarLoop]: trace histogram [158, 158, 155, 155, 127, 126, 79, 79, 79, 79, 79, 79, 79, 77, 77, 77, 77, 77, 77, 77, 50, 47, 31, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:51,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-18 11:19:51,257 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:51,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:51,258 INFO L82 PathProgramCache]: Analyzing trace with hash 2064373181, now seen corresponding path program 15 times [2020-08-18 11:19:51,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:51,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459886163] [2020-08-18 11:19:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:52,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:52,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:53,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 11:19:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:54,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:55,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2020-08-18 11:19:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:56,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat