/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 21:48:36,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 21:48:36,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 21:48:36,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 21:48:36,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 21:48:36,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 21:48:36,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 21:48:36,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 21:48:36,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 21:48:36,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 21:48:36,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 21:48:36,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 21:48:36,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 21:48:36,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 21:48:36,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 21:48:36,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 21:48:36,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 21:48:36,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 21:48:36,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 21:48:36,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 21:48:36,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 21:48:36,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 21:48:36,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 21:48:36,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 21:48:36,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-27 21:48:36,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-27 21:48:36,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-27 21:48:36,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-27 21:48:36,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-27 21:48:36,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-27 21:48:36,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-27 21:48:36,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-27 21:48:36,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-27 21:48:36,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-27 21:48:36,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-27 21:48:36,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-27 21:48:36,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-27 21:48:36,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-27 21:48:36,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 21:48:36,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 21:48:36,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 21:48:36,896 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 [2020-08-27 21:48:36,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 21:48:36,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 21:48:36,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 21:48:36,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 21:48:36,964 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 21:48:36,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 21:48:36,964 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-27 21:48:36,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 21:48:36,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-27 21:48:36,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 21:48:36,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 21:48:36,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 21:48:36,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 21:48:36,966 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-27 21:48:36,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 21:48:36,968 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 21:48:36,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 21:48:36,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 21:48:36,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 21:48:36,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 21:48:36,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 21:48:36,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 21:48:36,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 21:48:36,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 21:48:36,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 21:48:36,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 21:48:36,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 21:48:36,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 21:48:36,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 21:48:36,971 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 -> false [2020-08-27 21:48:37,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 21:48:37,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 21:48:37,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 21:48:37,490 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 21:48:37,490 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 21:48:37,491 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-27 21:48:37,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43e4b20bd/d2ab7257522b46b896fd853dca2eb4a3/FLAGfa73c5e8c [2020-08-27 21:48:38,071 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 21:48:38,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-27 21:48:38,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43e4b20bd/d2ab7257522b46b896fd853dca2eb4a3/FLAGfa73c5e8c [2020-08-27 21:48:38,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43e4b20bd/d2ab7257522b46b896fd853dca2eb4a3 [2020-08-27 21:48:38,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 21:48:38,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 21:48:38,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 21:48:38,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 21:48:38,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 21:48:38,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:48:38" (1/1) ... [2020-08-27 21:48:38,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cc40f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38, skipping insertion in model container [2020-08-27 21:48:38,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:48:38" (1/1) ... [2020-08-27 21:48:38,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 21:48:38,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 21:48:38,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:48:38,793 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 21:48:38,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:48:38,830 INFO L208 MainTranslator]: Completed translation [2020-08-27 21:48:38,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38 WrapperNode [2020-08-27 21:48:38,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 21:48:38,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 21:48:38,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 21:48:38,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 21:48:38,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38" (1/1) ... [2020-08-27 21:48:38,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38" (1/1) ... [2020-08-27 21:48:38,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38" (1/1) ... [2020-08-27 21:48:38,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38" (1/1) ... [2020-08-27 21:48:38,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38" (1/1) ... [2020-08-27 21:48:38,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38" (1/1) ... [2020-08-27 21:48:38,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38" (1/1) ... [2020-08-27 21:48:38,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 21:48:38,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 21:48:38,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 21:48:38,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 21:48:38,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38" (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 [2020-08-27 21:48:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 21:48:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 21:48:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-27 21:48:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-27 21:48:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 21:48:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 21:48:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 21:48:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-27 21:48:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-27 21:48:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 21:48:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 21:48:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 21:48:39,322 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 21:48:39,323 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-27 21:48:39,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:48:39 BoogieIcfgContainer [2020-08-27 21:48:39,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 21:48:39,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 21:48:39,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 21:48:39,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 21:48:39,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 09:48:38" (1/3) ... [2020-08-27 21:48:39,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75437766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:48:39, skipping insertion in model container [2020-08-27 21:48:39,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:48:38" (2/3) ... [2020-08-27 21:48:39,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75437766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:48:39, skipping insertion in model container [2020-08-27 21:48:39,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:48:39" (3/3) ... [2020-08-27 21:48:39,361 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-08-27 21:48:39,376 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 21:48:39,388 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 21:48:39,413 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 21:48:39,443 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 21:48:39,444 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 21:48:39,444 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 21:48:39,444 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 21:48:39,444 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 21:48:39,444 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 21:48:39,445 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 21:48:39,445 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 21:48:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-27 21:48:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-27 21:48:39,473 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:39,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:48:39,474 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:39,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:39,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-27 21:48:39,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:39,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145520547] [2020-08-27 21:48:39,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:39,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:39,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:39,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:48:39,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145520547] [2020-08-27 21:48:39,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:48:39,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-27 21:48:39,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393046264] [2020-08-27 21:48:39,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:48:39,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:39,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:48:39,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:48:39,767 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-27 21:48:39,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:39,906 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-27 21:48:39,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:48:39,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-27 21:48:39,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:39,923 INFO L225 Difference]: With dead ends: 44 [2020-08-27 21:48:39,924 INFO L226 Difference]: Without dead ends: 30 [2020-08-27 21:48:39,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:48:39,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-27 21:48:39,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-27 21:48:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-27 21:48:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-27 21:48:39,984 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-27 21:48:39,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:39,985 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-27 21:48:39,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:48:39,986 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-27 21:48:39,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-27 21:48:39,988 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:39,988 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:48:39,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 21:48:39,989 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:39,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:39,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-27 21:48:39,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:39,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959243662] [2020-08-27 21:48:39,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:48:40,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959243662] [2020-08-27 21:48:40,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:48:40,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-27 21:48:40,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346315111] [2020-08-27 21:48:40,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:48:40,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:40,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:48:40,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:48:40,063 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-27 21:48:40,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:40,136 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-27 21:48:40,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:48:40,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-27 21:48:40,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:40,140 INFO L225 Difference]: With dead ends: 36 [2020-08-27 21:48:40,140 INFO L226 Difference]: Without dead ends: 32 [2020-08-27 21:48:40,142 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 [2020-08-27 21:48:40,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-27 21:48:40,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-27 21:48:40,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-27 21:48:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-27 21:48:40,162 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-27 21:48:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:40,163 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-27 21:48:40,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:48:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-27 21:48:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-27 21:48:40,165 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:40,165 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] [2020-08-27 21:48:40,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-27 21:48:40,166 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:40,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:40,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-27 21:48:40,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:40,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [615060090] [2020-08-27 21:48:40,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-27 21:48:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-27 21:48:40,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [615060090] [2020-08-27 21:48:40,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:40,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-27 21:48:40,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513394491] [2020-08-27 21:48:40,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-27 21:48:40,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:40,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-27 21:48:40,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-27 21:48:40,306 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-27 21:48:40,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:40,402 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-27 21:48:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-27 21:48:40,403 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-27 21:48:40,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:40,405 INFO L225 Difference]: With dead ends: 58 [2020-08-27 21:48:40,405 INFO L226 Difference]: Without dead ends: 34 [2020-08-27 21:48:40,407 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 [2020-08-27 21:48:40,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-27 21:48:40,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-27 21:48:40,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-27 21:48:40,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-27 21:48:40,417 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-27 21:48:40,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:40,418 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-27 21:48:40,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-27 21:48:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-27 21:48:40,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-27 21:48:40,420 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:40,420 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] [2020-08-27 21:48:40,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-27 21:48:40,421 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:40,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:40,422 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-27 21:48:40,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:40,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759039362] [2020-08-27 21:48:40,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-27 21:48:40,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759039362] [2020-08-27 21:48:40,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:40,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-27 21:48:40,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24964982] [2020-08-27 21:48:40,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-27 21:48:40,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:40,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-27 21:48:40,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-27 21:48:40,567 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-27 21:48:40,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:40,790 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-27 21:48:40,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-27 21:48:40,791 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-27 21:48:40,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:40,795 INFO L225 Difference]: With dead ends: 54 [2020-08-27 21:48:40,795 INFO L226 Difference]: Without dead ends: 50 [2020-08-27 21:48:40,796 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 [2020-08-27 21:48:40,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-27 21:48:40,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-27 21:48:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-27 21:48:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-27 21:48:40,810 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-27 21:48:40,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:40,811 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-27 21:48:40,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-27 21:48:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-27 21:48:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-27 21:48:40,816 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:40,816 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] [2020-08-27 21:48:40,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-27 21:48:40,817 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:40,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:40,817 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-27 21:48:40,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:40,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281229963] [2020-08-27 21:48:40,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-27 21:48:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-27 21:48:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:40,959 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-27 21:48:40,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281229963] [2020-08-27 21:48:40,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:40,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-27 21:48:40,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209715719] [2020-08-27 21:48:40,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-27 21:48:40,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:40,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-27 21:48:40,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:48:40,962 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-27 21:48:41,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:41,064 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-27 21:48:41,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-27 21:48:41,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-27 21:48:41,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:41,067 INFO L225 Difference]: With dead ends: 94 [2020-08-27 21:48:41,067 INFO L226 Difference]: Without dead ends: 52 [2020-08-27 21:48:41,068 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 [2020-08-27 21:48:41,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-27 21:48:41,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-27 21:48:41,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-27 21:48:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-27 21:48:41,080 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-27 21:48:41,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:41,080 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-27 21:48:41,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-27 21:48:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-27 21:48:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-27 21:48:41,082 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:41,082 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] [2020-08-27 21:48:41,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-27 21:48:41,083 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:41,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:41,083 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-27 21:48:41,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:41,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025516292] [2020-08-27 21:48:41,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-27 21:48:41,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025516292] [2020-08-27 21:48:41,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:41,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-27 21:48:41,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010136852] [2020-08-27 21:48:41,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-27 21:48:41,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:41,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-27 21:48:41,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:48:41,235 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-27 21:48:41,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:41,351 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-27 21:48:41,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-27 21:48:41,352 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-27 21:48:41,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:41,354 INFO L225 Difference]: With dead ends: 103 [2020-08-27 21:48:41,354 INFO L226 Difference]: Without dead ends: 57 [2020-08-27 21:48:41,356 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 [2020-08-27 21:48:41,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-27 21:48:41,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-27 21:48:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-27 21:48:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-27 21:48:41,368 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-27 21:48:41,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:41,369 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-27 21:48:41,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-27 21:48:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-27 21:48:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-27 21:48:41,371 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:41,372 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] [2020-08-27 21:48:41,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-27 21:48:41,372 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:41,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:41,373 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-27 21:48:41,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:41,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [455822187] [2020-08-27 21:48:41,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-27 21:48:41,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [455822187] [2020-08-27 21:48:41,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:41,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-27 21:48:41,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953405632] [2020-08-27 21:48:41,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-27 21:48:41,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:41,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-27 21:48:41,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:48:41,504 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-27 21:48:41,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:41,718 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-27 21:48:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-27 21:48:41,719 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-27 21:48:41,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:41,722 INFO L225 Difference]: With dead ends: 86 [2020-08-27 21:48:41,722 INFO L226 Difference]: Without dead ends: 82 [2020-08-27 21:48:41,723 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 [2020-08-27 21:48:41,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-27 21:48:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-27 21:48:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-27 21:48:41,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-27 21:48:41,741 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-27 21:48:41,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:41,741 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-27 21:48:41,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-27 21:48:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-27 21:48:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-27 21:48:41,745 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:41,745 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] [2020-08-27 21:48:41,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-27 21:48:41,746 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:41,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:41,747 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-27 21:48:41,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:41,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431444406] [2020-08-27 21:48:41,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-27 21:48:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-27 21:48:41,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431444406] [2020-08-27 21:48:41,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:41,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-27 21:48:41,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079491156] [2020-08-27 21:48:41,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-27 21:48:41,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:41,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-27 21:48:41,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:48:41,936 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-27 21:48:42,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:42,071 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-27 21:48:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-27 21:48:42,072 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-27 21:48:42,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:42,074 INFO L225 Difference]: With dead ends: 167 [2020-08-27 21:48:42,074 INFO L226 Difference]: Without dead ends: 94 [2020-08-27 21:48:42,075 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 [2020-08-27 21:48:42,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-27 21:48:42,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-27 21:48:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-27 21:48:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-27 21:48:42,092 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-27 21:48:42,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:42,093 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-27 21:48:42,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-27 21:48:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-27 21:48:42,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-27 21:48:42,096 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:42,096 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] [2020-08-27 21:48:42,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-27 21:48:42,097 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:42,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:42,097 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-27 21:48:42,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:42,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657317348] [2020-08-27 21:48:42,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,278 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-27 21:48:42,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657317348] [2020-08-27 21:48:42,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:42,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-27 21:48:42,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058626674] [2020-08-27 21:48:42,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-27 21:48:42,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:42,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-27 21:48:42,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-27 21:48:42,281 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-27 21:48:42,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:42,518 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-27 21:48:42,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-27 21:48:42,519 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-27 21:48:42,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:42,522 INFO L225 Difference]: With dead ends: 188 [2020-08-27 21:48:42,522 INFO L226 Difference]: Without dead ends: 109 [2020-08-27 21:48:42,523 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 [2020-08-27 21:48:42,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-27 21:48:42,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-27 21:48:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-27 21:48:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-27 21:48:42,540 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-27 21:48:42,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:42,541 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-27 21:48:42,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-27 21:48:42,541 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-27 21:48:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-27 21:48:42,543 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:42,544 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] [2020-08-27 21:48:42,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-27 21:48:42,544 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:42,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:42,544 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-27 21:48:42,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:42,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835232942] [2020-08-27 21:48:42,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-27 21:48:42,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835232942] [2020-08-27 21:48:42,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:42,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-27 21:48:42,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66260032] [2020-08-27 21:48:42,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-27 21:48:42,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:42,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-27 21:48:42,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-27 21:48:42,903 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-27 21:48:43,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:43,308 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-27 21:48:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-27 21:48:43,309 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-27 21:48:43,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:43,311 INFO L225 Difference]: With dead ends: 199 [2020-08-27 21:48:43,311 INFO L226 Difference]: Without dead ends: 86 [2020-08-27 21:48:43,313 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 [2020-08-27 21:48:43,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-27 21:48:43,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-27 21:48:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-27 21:48:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-27 21:48:43,323 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-27 21:48:43,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:43,323 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-27 21:48:43,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-27 21:48:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-27 21:48:43,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-27 21:48:43,325 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:43,325 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] [2020-08-27 21:48:43,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-27 21:48:43,326 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:43,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:43,326 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-27 21:48:43,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:43,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217688692] [2020-08-27 21:48:43,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-27 21:48:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,626 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-27 21:48:43,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217688692] [2020-08-27 21:48:43,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:43,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-27 21:48:43,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070240092] [2020-08-27 21:48:43,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-27 21:48:43,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:43,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-27 21:48:43,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-27 21:48:43,630 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-27 21:48:43,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:43,875 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-27 21:48:43,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-27 21:48:43,876 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-27 21:48:43,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:43,878 INFO L225 Difference]: With dead ends: 142 [2020-08-27 21:48:43,878 INFO L226 Difference]: Without dead ends: 78 [2020-08-27 21:48:43,879 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 [2020-08-27 21:48:43,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-27 21:48:43,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-27 21:48:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-27 21:48:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-27 21:48:43,887 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-27 21:48:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:43,888 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-27 21:48:43,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-27 21:48:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-27 21:48:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-27 21:48:43,890 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:43,890 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] [2020-08-27 21:48:43,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-27 21:48:43,891 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:43,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:43,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-27 21:48:43,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:43,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574521510] [2020-08-27 21:48:43,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:43,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-27 21:48:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-27 21:48:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-27 21:48:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-27 21:48:44,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574521510] [2020-08-27 21:48:44,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:44,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-27 21:48:44,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216776921] [2020-08-27 21:48:44,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-27 21:48:44,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:44,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-27 21:48:44,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-27 21:48:44,591 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-27 21:48:45,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:45,186 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-27 21:48:45,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-27 21:48:45,187 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-27 21:48:45,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:45,189 INFO L225 Difference]: With dead ends: 184 [2020-08-27 21:48:45,189 INFO L226 Difference]: Without dead ends: 111 [2020-08-27 21:48:45,191 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 [2020-08-27 21:48:45,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-27 21:48:45,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-27 21:48:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-27 21:48:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-27 21:48:45,201 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-27 21:48:45,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:45,202 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-27 21:48:45,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-27 21:48:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-27 21:48:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-27 21:48:45,204 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:45,204 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] [2020-08-27 21:48:45,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-27 21:48:45,205 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:45,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:45,205 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-27 21:48:45,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:45,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143743510] [2020-08-27 21:48:45,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-27 21:48:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-27 21:48:45,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [143743510] [2020-08-27 21:48:45,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:45,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-27 21:48:45,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009017984] [2020-08-27 21:48:45,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-27 21:48:45,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:45,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-27 21:48:45,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-27 21:48:45,514 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-27 21:48:45,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:45,783 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-27 21:48:45,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-27 21:48:45,783 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-27 21:48:45,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:45,785 INFO L225 Difference]: With dead ends: 188 [2020-08-27 21:48:45,786 INFO L226 Difference]: Without dead ends: 101 [2020-08-27 21:48:45,787 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 [2020-08-27 21:48:45,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-27 21:48:45,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-27 21:48:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-27 21:48:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-27 21:48:45,799 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-27 21:48:45,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:45,800 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-27 21:48:45,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-27 21:48:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-27 21:48:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-27 21:48:45,803 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:45,803 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] [2020-08-27 21:48:45,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-27 21:48:45,804 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:45,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:45,804 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-27 21:48:45,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:45,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658658158] [2020-08-27 21:48:45,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:45,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-27 21:48:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-27 21:48:46,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658658158] [2020-08-27 21:48:46,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:46,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-27 21:48:46,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519390926] [2020-08-27 21:48:46,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-27 21:48:46,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:46,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-27 21:48:46,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-27 21:48:46,340 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-27 21:48:46,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:46,963 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-27 21:48:46,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-27 21:48:46,964 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-27 21:48:46,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:46,966 INFO L225 Difference]: With dead ends: 224 [2020-08-27 21:48:46,966 INFO L226 Difference]: Without dead ends: 131 [2020-08-27 21:48:46,968 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 [2020-08-27 21:48:46,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-27 21:48:46,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-27 21:48:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-27 21:48:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-27 21:48:46,977 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-27 21:48:46,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:46,977 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-27 21:48:46,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-27 21:48:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-27 21:48:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-27 21:48:46,980 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:46,980 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] [2020-08-27 21:48:46,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-27 21:48:46,981 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:46,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:46,981 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-27 21:48:46,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:46,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437026923] [2020-08-27 21:48:46,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,463 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-27 21:48:47,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437026923] [2020-08-27 21:48:47,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:47,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-27 21:48:47,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738005185] [2020-08-27 21:48:47,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-27 21:48:47,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:47,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-27 21:48:47,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-27 21:48:47,467 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-27 21:48:47,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:47,808 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-27 21:48:47,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-27 21:48:47,809 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-27 21:48:47,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:47,814 INFO L225 Difference]: With dead ends: 244 [2020-08-27 21:48:47,814 INFO L226 Difference]: Without dead ends: 240 [2020-08-27 21:48:47,818 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 [2020-08-27 21:48:47,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-27 21:48:47,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-27 21:48:47,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-27 21:48:47,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-27 21:48:47,842 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-27 21:48:47,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:47,843 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-27 21:48:47,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-27 21:48:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-27 21:48:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-08-27 21:48:47,850 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:47,850 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] [2020-08-27 21:48:47,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-27 21:48:47,851 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:47,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:47,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1635105538, now seen corresponding path program 4 times [2020-08-27 21:48:47,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:47,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140316575] [2020-08-27 21:48:47,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:47,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-27 21:48:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-08-27 21:48:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-27 21:48:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:48,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4041 backedges. 201 proven. 576 refuted. 0 times theorem prover too weak. 3264 trivial. 0 not checked. [2020-08-27 21:48:48,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140316575] [2020-08-27 21:48:48,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:48,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-27 21:48:48,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196873713] [2020-08-27 21:48:48,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-27 21:48:48,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:48,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-27 21:48:48,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-27 21:48:48,851 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-27 21:48:49,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:49,140 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-27 21:48:49,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-27 21:48:49,141 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 380 [2020-08-27 21:48:49,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:49,144 INFO L225 Difference]: With dead ends: 429 [2020-08-27 21:48:49,145 INFO L226 Difference]: Without dead ends: 225 [2020-08-27 21:48:49,147 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 [2020-08-27 21:48:49,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-27 21:48:49,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-27 21:48:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-27 21:48:49,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-27 21:48:49,163 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 380 [2020-08-27 21:48:49,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:49,164 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-27 21:48:49,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-27 21:48:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-27 21:48:49,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-27 21:48:49,167 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:49,168 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] [2020-08-27 21:48:49,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-27 21:48:49,168 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:49,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:49,168 INFO L82 PathProgramCache]: Analyzing trace with hash 657587316, now seen corresponding path program 5 times [2020-08-27 21:48:49,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:49,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083137497] [2020-08-27 21:48:49,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-27 21:48:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 200 proven. 324 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-27 21:48:49,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083137497] [2020-08-27 21:48:49,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:49,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-27 21:48:49,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978360496] [2020-08-27 21:48:49,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-27 21:48:49,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:49,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-27 21:48:49,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-27 21:48:49,776 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 14 states. [2020-08-27 21:48:50,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:50,300 INFO L93 Difference]: Finished difference Result 454 states and 689 transitions. [2020-08-27 21:48:50,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-27 21:48:50,301 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-08-27 21:48:50,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:50,309 INFO L225 Difference]: With dead ends: 454 [2020-08-27 21:48:50,309 INFO L226 Difference]: Without dead ends: 246 [2020-08-27 21:48:50,313 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 [2020-08-27 21:48:50,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-08-27 21:48:50,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2020-08-27 21:48:50,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-08-27 21:48:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2020-08-27 21:48:50,339 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 218 [2020-08-27 21:48:50,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:50,340 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2020-08-27 21:48:50,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-27 21:48:50,340 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2020-08-27 21:48:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-27 21:48:50,349 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:50,349 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] [2020-08-27 21:48:50,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-27 21:48:50,350 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:50,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:50,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 6 times [2020-08-27 21:48:50,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:50,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155048144] [2020-08-27 21:48:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:50,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:51,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-27 21:48:51,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155048144] [2020-08-27 21:48:51,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:51,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-27 21:48:51,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219010229] [2020-08-27 21:48:51,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-27 21:48:51,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:51,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-27 21:48:51,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-27 21:48:51,310 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand 12 states. [2020-08-27 21:48:51,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:51,764 INFO L93 Difference]: Finished difference Result 487 states and 755 transitions. [2020-08-27 21:48:51,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-27 21:48:51,765 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-27 21:48:51,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:51,773 INFO L225 Difference]: With dead ends: 487 [2020-08-27 21:48:51,773 INFO L226 Difference]: Without dead ends: 483 [2020-08-27 21:48:51,775 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 [2020-08-27 21:48:51,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-08-27 21:48:51,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2020-08-27 21:48:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-27 21:48:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 717 transitions. [2020-08-27 21:48:51,816 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 717 transitions. Word has length 286 [2020-08-27 21:48:51,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:51,817 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 717 transitions. [2020-08-27 21:48:51,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-27 21:48:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 717 transitions. [2020-08-27 21:48:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-08-27 21:48:51,833 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:51,833 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] [2020-08-27 21:48:51,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-27 21:48:51,834 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:51,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:51,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2114796199, now seen corresponding path program 7 times [2020-08-27 21:48:51,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:51,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279749657] [2020-08-27 21:48:51,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-27 21:48:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-27 21:48:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:52,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 289 proven. 900 refuted. 0 times theorem prover too weak. 3182 trivial. 0 not checked. [2020-08-27 21:48:53,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279749657] [2020-08-27 21:48:53,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:53,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-27 21:48:53,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239100925] [2020-08-27 21:48:53,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-27 21:48:53,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:53,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-27 21:48:53,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-27 21:48:53,047 INFO L87 Difference]: Start difference. First operand 463 states and 717 transitions. Second operand 14 states. [2020-08-27 21:48:53,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:53,576 INFO L93 Difference]: Finished difference Result 978 states and 1610 transitions. [2020-08-27 21:48:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-27 21:48:53,577 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 395 [2020-08-27 21:48:53,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:53,587 INFO L225 Difference]: With dead ends: 978 [2020-08-27 21:48:53,588 INFO L226 Difference]: Without dead ends: 529 [2020-08-27 21:48:53,595 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 [2020-08-27 21:48:53,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-08-27 21:48:53,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 502. [2020-08-27 21:48:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-08-27 21:48:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 738 transitions. [2020-08-27 21:48:53,647 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 738 transitions. Word has length 395 [2020-08-27 21:48:53,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:53,648 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 738 transitions. [2020-08-27 21:48:53,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-27 21:48:53,648 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 738 transitions. [2020-08-27 21:48:53,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-08-27 21:48:53,666 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:53,666 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] [2020-08-27 21:48:53,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-27 21:48:53,667 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:53,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:53,667 INFO L82 PathProgramCache]: Analyzing trace with hash -85106141, now seen corresponding path program 8 times [2020-08-27 21:48:53,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:53,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479502922] [2020-08-27 21:48:53,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:53,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:53,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:54,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-27 21:48:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-27 21:48:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:55,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:56,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:56,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:56,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:56,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:56,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12907 backedges. 1905 proven. 2947 refuted. 0 times theorem prover too weak. 8055 trivial. 0 not checked. [2020-08-27 21:48:56,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479502922] [2020-08-27 21:48:56,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:56,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-27 21:48:56,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420092697] [2020-08-27 21:48:56,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-27 21:48:56,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:56,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-27 21:48:56,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2020-08-27 21:48:56,882 INFO L87 Difference]: Start difference. First operand 502 states and 738 transitions. Second operand 29 states. [2020-08-27 21:48:59,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:59,193 INFO L93 Difference]: Finished difference Result 751 states and 1196 transitions. [2020-08-27 21:48:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-08-27 21:48:59,194 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 667 [2020-08-27 21:48:59,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:59,197 INFO L225 Difference]: With dead ends: 751 [2020-08-27 21:48:59,198 INFO L226 Difference]: Without dead ends: 215 [2020-08-27 21:48:59,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=588, Invalid=4814, Unknown=0, NotChecked=0, Total=5402 [2020-08-27 21:48:59,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-08-27 21:48:59,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 165. [2020-08-27 21:48:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-27 21:48:59,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 225 transitions. [2020-08-27 21:48:59,216 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 225 transitions. Word has length 667 [2020-08-27 21:48:59,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:59,217 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 225 transitions. [2020-08-27 21:48:59,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-27 21:48:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2020-08-27 21:48:59,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-08-27 21:48:59,229 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:59,230 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] [2020-08-27 21:48:59,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-27 21:48:59,230 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:59,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:59,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1759823621, now seen corresponding path program 9 times [2020-08-27 21:48:59,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:59,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664789331] [2020-08-27 21:48:59,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:59,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:59,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:48:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:59,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:59,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:59,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:59,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-08-27 21:49:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:00,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:01,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8074 backedges. 704 proven. 1703 refuted. 0 times theorem prover too weak. 5667 trivial. 0 not checked. [2020-08-27 21:49:01,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664789331] [2020-08-27 21:49:01,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:49:01,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-27 21:49:01,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752078030] [2020-08-27 21:49:01,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-27 21:49:01,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:49:01,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-27 21:49:01,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-08-27 21:49:01,163 INFO L87 Difference]: Start difference. First operand 165 states and 225 transitions. Second operand 18 states. [2020-08-27 21:49:02,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:49:02,422 INFO L93 Difference]: Finished difference Result 374 states and 586 transitions. [2020-08-27 21:49:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-27 21:49:02,423 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 531 [2020-08-27 21:49:02,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:49:02,427 INFO L225 Difference]: With dead ends: 374 [2020-08-27 21:49:02,427 INFO L226 Difference]: Without dead ends: 226 [2020-08-27 21:49:02,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=293, Invalid=1777, Unknown=0, NotChecked=0, Total=2070 [2020-08-27 21:49:02,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-08-27 21:49:02,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 183. [2020-08-27 21:49:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-08-27 21:49:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 256 transitions. [2020-08-27 21:49:02,444 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 256 transitions. Word has length 531 [2020-08-27 21:49:02,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:49:02,445 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 256 transitions. [2020-08-27 21:49:02,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-27 21:49:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 256 transitions. [2020-08-27 21:49:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-27 21:49:02,449 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:49:02,450 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] [2020-08-27 21:49:02,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-27 21:49:02,450 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:49:02,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:49:02,451 INFO L82 PathProgramCache]: Analyzing trace with hash 2122481566, now seen corresponding path program 10 times [2020-08-27 21:49:02,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:49:02,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095795900] [2020-08-27 21:49:02,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:49:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:02,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:49:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:02,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:49:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:02,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:49:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:03,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9413 backedges. 913 proven. 1781 refuted. 0 times theorem prover too weak. 6719 trivial. 0 not checked. [2020-08-27 21:49:04,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095795900] [2020-08-27 21:49:04,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:49:04,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-27 21:49:04,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153454967] [2020-08-27 21:49:04,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-27 21:49:04,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:49:04,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-27 21:49:04,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-27 21:49:04,278 INFO L87 Difference]: Start difference. First operand 183 states and 256 transitions. Second operand 20 states. [2020-08-27 21:49:05,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:49:05,903 INFO L93 Difference]: Finished difference Result 374 states and 594 transitions. [2020-08-27 21:49:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-27 21:49:05,905 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 572 [2020-08-27 21:49:05,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:49:05,909 INFO L225 Difference]: With dead ends: 374 [2020-08-27 21:49:05,909 INFO L226 Difference]: Without dead ends: 214 [2020-08-27 21:49:05,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-08-27 21:49:05,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-08-27 21:49:05,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 207. [2020-08-27 21:49:05,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-08-27 21:49:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 299 transitions. [2020-08-27 21:49:05,926 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 299 transitions. Word has length 572 [2020-08-27 21:49:05,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:49:05,926 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 299 transitions. [2020-08-27 21:49:05,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-27 21:49:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 299 transitions. [2020-08-27 21:49:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-08-27 21:49:05,932 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:49:05,932 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] [2020-08-27 21:49:05,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-27 21:49:05,933 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:49:05,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:49:05,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1490795651, now seen corresponding path program 11 times [2020-08-27 21:49:05,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:49:05,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2022678404] [2020-08-27 21:49:05,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:49:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:49:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:49:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:06,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-27 21:49:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-27 21:49:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 11869 backedges. 567 proven. 1942 refuted. 0 times theorem prover too weak. 9360 trivial. 0 not checked. [2020-08-27 21:49:07,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2022678404] [2020-08-27 21:49:07,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:49:07,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-27 21:49:07,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125269596] [2020-08-27 21:49:07,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-27 21:49:07,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:49:07,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-27 21:49:07,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-27 21:49:07,803 INFO L87 Difference]: Start difference. First operand 207 states and 299 transitions. Second operand 16 states. [2020-08-27 21:49:08,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:49:08,593 INFO L93 Difference]: Finished difference Result 407 states and 612 transitions. [2020-08-27 21:49:08,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-27 21:49:08,594 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 640 [2020-08-27 21:49:08,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:49:08,597 INFO L225 Difference]: With dead ends: 407 [2020-08-27 21:49:08,597 INFO L226 Difference]: Without dead ends: 228 [2020-08-27 21:49:08,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-27 21:49:08,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-08-27 21:49:08,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 215. [2020-08-27 21:49:08,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-08-27 21:49:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 309 transitions. [2020-08-27 21:49:08,613 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 309 transitions. Word has length 640 [2020-08-27 21:49:08,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:49:08,614 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 309 transitions. [2020-08-27 21:49:08,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-27 21:49:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 309 transitions. [2020-08-27 21:49:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 968 [2020-08-27 21:49:08,623 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:49:08,624 INFO L422 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 57, 57, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 22, 22, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:49:08,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-27 21:49:08,624 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:49:08,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:49:08,625 INFO L82 PathProgramCache]: Analyzing trace with hash 801018439, now seen corresponding path program 12 times [2020-08-27 21:49:08,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:49:08,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030418844] [2020-08-27 21:49:08,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:49:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:09,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:49:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:09,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:49:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:09,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:09,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:49:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:10,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:49:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2020-08-27 21:49:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:11,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 1354 proven. 4110 refuted. 0 times theorem prover too weak. 22088 trivial. 0 not checked. [2020-08-27 21:49:12,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030418844] [2020-08-27 21:49:12,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:49:12,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-27 21:49:12,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543306255] [2020-08-27 21:49:12,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-27 21:49:12,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:49:12,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-27 21:49:12,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-08-27 21:49:12,688 INFO L87 Difference]: Start difference. First operand 215 states and 309 transitions. Second operand 20 states. [2020-08-27 21:49:14,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:49:14,290 INFO L93 Difference]: Finished difference Result 448 states and 721 transitions. [2020-08-27 21:49:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-08-27 21:49:14,291 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 967 [2020-08-27 21:49:14,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:49:14,295 INFO L225 Difference]: With dead ends: 448 [2020-08-27 21:49:14,295 INFO L226 Difference]: Without dead ends: 257 [2020-08-27 21:49:14,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=382, Invalid=2480, Unknown=0, NotChecked=0, Total=2862 [2020-08-27 21:49:14,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-08-27 21:49:14,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 242. [2020-08-27 21:49:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-08-27 21:49:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 358 transitions. [2020-08-27 21:49:14,319 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 358 transitions. Word has length 967 [2020-08-27 21:49:14,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:49:14,320 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 358 transitions. [2020-08-27 21:49:14,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-27 21:49:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 358 transitions. [2020-08-27 21:49:14,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2020-08-27 21:49:14,327 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:49:14,328 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] [2020-08-27 21:49:14,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-27 21:49:14,331 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:49:14,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:49:14,332 INFO L82 PathProgramCache]: Analyzing trace with hash 566872508, now seen corresponding path program 13 times [2020-08-27 21:49:14,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:49:14,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302278735] [2020-08-27 21:49:14,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:49:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:14,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:49:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:49:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:14,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:49:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-27 21:49:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:15,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:49:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 18248 backedges. 879 proven. 2682 refuted. 0 times theorem prover too weak. 14687 trivial. 0 not checked. [2020-08-27 21:49:16,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302278735] [2020-08-27 21:49:16,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:49:16,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-27 21:49:16,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84391790] [2020-08-27 21:49:16,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-27 21:49:16,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:49:16,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-27 21:49:16,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-27 21:49:16,822 INFO L87 Difference]: Start difference. First operand 242 states and 358 transitions. Second operand 18 states. [2020-08-27 21:49:17,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:49:17,846 INFO L93 Difference]: Finished difference Result 476 states and 718 transitions. [2020-08-27 21:49:17,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-27 21:49:17,846 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 790 [2020-08-27 21:49:17,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:49:17,852 INFO L225 Difference]: With dead ends: 476 [2020-08-27 21:49:17,853 INFO L226 Difference]: Without dead ends: 260 [2020-08-27 21:49:17,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-27 21:49:17,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-08-27 21:49:17,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 242. [2020-08-27 21:49:17,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-08-27 21:49:17,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 349 transitions. [2020-08-27 21:49:17,881 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 349 transitions. Word has length 790 [2020-08-27 21:49:17,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:49:17,882 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 349 transitions. [2020-08-27 21:49:17,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-27 21:49:17,883 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 349 transitions. [2020-08-27 21:49:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-27 21:49:17,893 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:49:17,894 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:49:17,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-27 21:49:17,895 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:49:17,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:49:17,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 14 times [2020-08-27 21:49:17,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:49:17,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108564271] [2020-08-27 21:49:17,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:49:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:18,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:49:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:49:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:18,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:18,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:18,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:18,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:18,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:18,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:18,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:18,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:49:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-27 21:49:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:19,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-08-27 21:49:20,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108564271] [2020-08-27 21:49:20,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:49:20,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-27 21:49:20,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681159491] [2020-08-27 21:49:20,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-27 21:49:20,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:49:20,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-27 21:49:20,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-27 21:49:20,020 INFO L87 Difference]: Start difference. First operand 242 states and 349 transitions. Second operand 14 states. [2020-08-27 21:49:20,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:49:20,577 INFO L93 Difference]: Finished difference Result 687 states and 1070 transitions. [2020-08-27 21:49:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-27 21:49:20,578 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-27 21:49:20,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:49:20,596 INFO L225 Difference]: With dead ends: 687 [2020-08-27 21:49:20,596 INFO L226 Difference]: Without dead ends: 683 [2020-08-27 21:49:20,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-27 21:49:20,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2020-08-27 21:49:20,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 630. [2020-08-27 21:49:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-08-27 21:49:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 974 transitions. [2020-08-27 21:49:20,673 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 974 transitions. Word has length 749 [2020-08-27 21:49:20,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:49:20,674 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 974 transitions. [2020-08-27 21:49:20,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-27 21:49:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 974 transitions. [2020-08-27 21:49:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-27 21:49:20,699 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:49:20,700 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 74, 74, 61, 61, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 24, 23, 16, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:49:20,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-27 21:49:20,700 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:49:20,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:49:20,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1162202364, now seen corresponding path program 15 times [2020-08-27 21:49:20,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:49:20,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558348828] [2020-08-27 21:49:20,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:49:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:21,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:49:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:21,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:49:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:22,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:22,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:22,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:22,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:22,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:22,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:49:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-27 21:49:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-27 21:49:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:23,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:49:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:24,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 31644 backedges. 1079 proven. 3945 refuted. 0 times theorem prover too weak. 26620 trivial. 0 not checked. [2020-08-27 21:49:25,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558348828] [2020-08-27 21:49:25,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:49:25,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-27 21:49:25,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970028310] [2020-08-27 21:49:25,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-27 21:49:25,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:49:25,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-27 21:49:25,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-27 21:49:25,129 INFO L87 Difference]: Start difference. First operand 630 states and 974 transitions. Second operand 18 states. [2020-08-27 21:49:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:49:26,137 INFO L93 Difference]: Finished difference Result 1269 states and 2019 transitions. [2020-08-27 21:49:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-27 21:49:26,138 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1035 [2020-08-27 21:49:26,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:49:26,148 INFO L225 Difference]: With dead ends: 1269 [2020-08-27 21:49:26,149 INFO L226 Difference]: Without dead ends: 665 [2020-08-27 21:49:26,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-27 21:49:26,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-08-27 21:49:26,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 639. [2020-08-27 21:49:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-08-27 21:49:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 950 transitions. [2020-08-27 21:49:26,199 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 950 transitions. Word has length 1035 [2020-08-27 21:49:26,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:49:26,200 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 950 transitions. [2020-08-27 21:49:26,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-27 21:49:26,200 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 950 transitions. [2020-08-27 21:49:26,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2020-08-27 21:49:26,211 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:49:26,211 INFO L422 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 55, 54, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 22, 20, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:49:26,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-27 21:49:26,212 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:49:26,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:49:26,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1329713436, now seen corresponding path program 16 times [2020-08-27 21:49:26,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:49:26,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850876985] [2020-08-27 21:49:26,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:49:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:26,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:49:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:26,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-27 21:49:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:27,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:49:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-27 21:49:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-27 21:49:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:49:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:49:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:49:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:49:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:49:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:49:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:49:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:49:28,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10