/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 17:19:16,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 17:19:16,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 17:19:16,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 17:19:16,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 17:19:16,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 17:19:16,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 17:19:16,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 17:19:16,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 17:19:16,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 17:19:16,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 17:19:16,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 17:19:16,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 17:19:16,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 17:19:16,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 17:19:16,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 17:19:16,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 17:19:16,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 17:19:16,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 17:19:16,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 17:19:16,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 17:19:16,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 17:19:16,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 17:19:16,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 17:19:16,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 17:19:16,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 17:19:16,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 17:19:16,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 17:19:16,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 17:19:16,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 17:19:16,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 17:19:16,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 17:19:16,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 17:19:16,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 17:19:16,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 17:19:16,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 17:19:16,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 17:19:16,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 17:19:16,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 17:19:16,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 17:19:16,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 17:19:16,268 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 17:19:16,291 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 17:19:16,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 17:19:16,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 17:19:16,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 17:19:16,293 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 17:19:16,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 17:19:16,294 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 17:19:16,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 17:19:16,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 17:19:16,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 17:19:16,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 17:19:16,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 17:19:16,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 17:19:16,295 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 17:19:16,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 17:19:16,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 17:19:16,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 17:19:16,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 17:19:16,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 17:19:16,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 17:19:16,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 17:19:16,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:19:16,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 17:19:16,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 17:19:16,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 17:19:16,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 17:19:16,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 17:19:16,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 17:19:16,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 17:19:16,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-08-21 17:19:16,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 17:19:16,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 17:19:16,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 17:19:16,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 17:19:16,649 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 17:19:16,649 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-08-21 17:19:16,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/345912af9/1a6f4ae504c14f4a903f2f4680d8a95a/FLAG25b4cfa3a [2020-08-21 17:19:17,168 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 17:19:17,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-08-21 17:19:17,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/345912af9/1a6f4ae504c14f4a903f2f4680d8a95a/FLAG25b4cfa3a [2020-08-21 17:19:17,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/345912af9/1a6f4ae504c14f4a903f2f4680d8a95a [2020-08-21 17:19:17,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 17:19:17,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 17:19:17,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 17:19:17,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 17:19:17,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 17:19:17,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:19:17" (1/1) ... [2020-08-21 17:19:17,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39062356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17, skipping insertion in model container [2020-08-21 17:19:17,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:19:17" (1/1) ... [2020-08-21 17:19:17,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 17:19:17,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 17:19:17,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:19:17,751 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 17:19:17,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:19:17,783 INFO L208 MainTranslator]: Completed translation [2020-08-21 17:19:17,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17 WrapperNode [2020-08-21 17:19:17,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 17:19:17,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 17:19:17,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 17:19:17,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 17:19:17,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17" (1/1) ... [2020-08-21 17:19:17,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17" (1/1) ... [2020-08-21 17:19:17,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17" (1/1) ... [2020-08-21 17:19:17,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17" (1/1) ... [2020-08-21 17:19:17,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17" (1/1) ... [2020-08-21 17:19:17,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17" (1/1) ... [2020-08-21 17:19:17,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17" (1/1) ... [2020-08-21 17:19:17,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 17:19:17,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 17:19:17,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 17:19:17,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 17:19:17,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:19:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 17:19:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 17:19:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-21 17:19:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-21 17:19:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 17:19:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 17:19:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 17:19:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-21 17:19:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-21 17:19:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 17:19:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 17:19:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 17:19:18,164 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 17:19:18,164 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 17:19:18,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:19:18 BoogieIcfgContainer [2020-08-21 17:19:18,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 17:19:18,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 17:19:18,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 17:19:18,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 17:19:18,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:19:17" (1/3) ... [2020-08-21 17:19:18,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399e81d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:19:18, skipping insertion in model container [2020-08-21 17:19:18,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:19:17" (2/3) ... [2020-08-21 17:19:18,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399e81d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:19:18, skipping insertion in model container [2020-08-21 17:19:18,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:19:18" (3/3) ... [2020-08-21 17:19:18,179 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-2.c [2020-08-21 17:19:18,192 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 17:19:18,205 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 17:19:18,223 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 17:19:18,257 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 17:19:18,257 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 17:19:18,257 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 17:19:18,257 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 17:19:18,258 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 17:19:18,258 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 17:19:18,258 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 17:19:18,259 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 17:19:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-21 17:19:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-21 17:19:18,301 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:18,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:18,303 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:18,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:18,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-21 17:19:18,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:18,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826279648] [2020-08-21 17:19:18,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:18,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:18,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:19:18,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826279648] [2020-08-21 17:19:18,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:19:18,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 17:19:18,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212451565] [2020-08-21 17:19:18,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 17:19:18,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:18,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 17:19:18,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 17:19:18,604 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-21 17:19:18,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:18,731 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-21 17:19:18,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 17:19:18,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-21 17:19:18,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:18,747 INFO L225 Difference]: With dead ends: 44 [2020-08-21 17:19:18,747 INFO L226 Difference]: Without dead ends: 30 [2020-08-21 17:19:18,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 17:19:18,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-21 17:19:18,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-21 17:19:18,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 17:19:18,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 17:19:18,803 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-21 17:19:18,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:18,804 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 17:19:18,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 17:19:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 17:19:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-21 17:19:18,806 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:18,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:18,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 17:19:18,807 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:18,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:18,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-21 17:19:18,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:18,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056687179] [2020-08-21 17:19:18,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:18,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:18,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:19:18,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056687179] [2020-08-21 17:19:18,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:19:18,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 17:19:18,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656664017] [2020-08-21 17:19:18,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 17:19:18,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:18,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 17:19:18,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 17:19:18,882 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-21 17:19:18,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:18,957 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-21 17:19:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 17:19:18,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-21 17:19:18,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:18,960 INFO L225 Difference]: With dead ends: 36 [2020-08-21 17:19:18,960 INFO L226 Difference]: Without dead ends: 32 [2020-08-21 17:19:18,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 17:19:18,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-21 17:19:18,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-21 17:19:18,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 17:19:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 17:19:18,973 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-21 17:19:18,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:18,974 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 17:19:18,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 17:19:18,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 17:19:18,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-21 17:19:18,976 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:18,976 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:18,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 17:19:18,977 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:18,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:18,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-21 17:19:18,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:18,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1365187657] [2020-08-21 17:19:18,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:19:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 17:19:19,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1365187657] [2020-08-21 17:19:19,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:19,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 17:19:19,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467250515] [2020-08-21 17:19:19,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:19:19,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:19,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:19:19,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:19:19,122 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-21 17:19:19,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:19,219 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-21 17:19:19,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 17:19:19,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-21 17:19:19,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:19,222 INFO L225 Difference]: With dead ends: 58 [2020-08-21 17:19:19,223 INFO L226 Difference]: Without dead ends: 34 [2020-08-21 17:19:19,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:19:19,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-21 17:19:19,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-21 17:19:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-21 17:19:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-21 17:19:19,235 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-21 17:19:19,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:19,236 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-21 17:19:19,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:19:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-21 17:19:19,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 17:19:19,238 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:19,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:19,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 17:19:19,239 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:19,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:19,240 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-21 17:19:19,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:19,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199189262] [2020-08-21 17:19:19,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 17:19:19,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199189262] [2020-08-21 17:19:19,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:19,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 17:19:19,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458640130] [2020-08-21 17:19:19,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:19:19,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:19,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:19:19,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:19:19,374 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-21 17:19:19,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:19,599 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-21 17:19:19,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 17:19:19,600 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-21 17:19:19,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:19,604 INFO L225 Difference]: With dead ends: 54 [2020-08-21 17:19:19,604 INFO L226 Difference]: Without dead ends: 50 [2020-08-21 17:19:19,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:19:19,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-21 17:19:19,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-21 17:19:19,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-21 17:19:19,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-21 17:19:19,620 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-21 17:19:19,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:19,621 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-21 17:19:19,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:19:19,621 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-21 17:19:19,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-21 17:19:19,624 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:19,625 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:19,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 17:19:19,625 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:19,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:19,626 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-21 17:19:19,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:19,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567964426] [2020-08-21 17:19:19,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:19:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:19:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 17:19:19,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567964426] [2020-08-21 17:19:19,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:19,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 17:19:19,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382129153] [2020-08-21 17:19:19,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 17:19:19,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:19,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 17:19:19,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 17:19:19,816 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-21 17:19:19,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:19,905 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-21 17:19:19,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 17:19:19,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-21 17:19:19,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:19,908 INFO L225 Difference]: With dead ends: 94 [2020-08-21 17:19:19,909 INFO L226 Difference]: Without dead ends: 52 [2020-08-21 17:19:19,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:19:19,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-21 17:19:19,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-21 17:19:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-21 17:19:19,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-21 17:19:19,924 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-21 17:19:19,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:19,924 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-21 17:19:19,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 17:19:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-21 17:19:19,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 17:19:19,927 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:19,927 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:19,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 17:19:19,928 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:19,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:19,929 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-21 17:19:19,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:19,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037414011] [2020-08-21 17:19:19,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,061 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 17:19:20,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037414011] [2020-08-21 17:19:20,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:20,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 17:19:20,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2884402] [2020-08-21 17:19:20,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 17:19:20,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:20,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 17:19:20,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:19:20,064 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-21 17:19:20,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:20,180 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-21 17:19:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 17:19:20,180 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-21 17:19:20,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:20,182 INFO L225 Difference]: With dead ends: 103 [2020-08-21 17:19:20,183 INFO L226 Difference]: Without dead ends: 57 [2020-08-21 17:19:20,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 17:19:20,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-21 17:19:20,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-21 17:19:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-21 17:19:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-21 17:19:20,196 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-21 17:19:20,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:20,196 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-21 17:19:20,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 17:19:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-21 17:19:20,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-21 17:19:20,199 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:20,199 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:20,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 17:19:20,200 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:20,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:20,201 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-21 17:19:20,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:20,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401977510] [2020-08-21 17:19:20,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,311 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 17:19:20,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401977510] [2020-08-21 17:19:20,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:20,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 17:19:20,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499765228] [2020-08-21 17:19:20,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 17:19:20,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:20,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 17:19:20,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:19:20,314 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-21 17:19:20,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:20,518 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-21 17:19:20,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 17:19:20,519 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-21 17:19:20,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:20,521 INFO L225 Difference]: With dead ends: 86 [2020-08-21 17:19:20,522 INFO L226 Difference]: Without dead ends: 82 [2020-08-21 17:19:20,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-08-21 17:19:20,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-21 17:19:20,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-21 17:19:20,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-21 17:19:20,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-21 17:19:20,542 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-21 17:19:20,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:20,543 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-21 17:19:20,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 17:19:20,543 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-21 17:19:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-21 17:19:20,547 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:20,548 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:20,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 17:19:20,548 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:20,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:20,549 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-21 17:19:20,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:20,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985364660] [2020-08-21 17:19:20,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 17:19:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,726 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-21 17:19:20,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985364660] [2020-08-21 17:19:20,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:20,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 17:19:20,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180982027] [2020-08-21 17:19:20,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 17:19:20,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:20,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 17:19:20,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:19:20,729 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-21 17:19:20,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:20,864 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-21 17:19:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 17:19:20,865 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-21 17:19:20,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:20,867 INFO L225 Difference]: With dead ends: 167 [2020-08-21 17:19:20,867 INFO L226 Difference]: Without dead ends: 94 [2020-08-21 17:19:20,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 17:19:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-21 17:19:20,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-21 17:19:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-21 17:19:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-21 17:19:20,887 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-21 17:19:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:20,888 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-21 17:19:20,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 17:19:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-21 17:19:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-21 17:19:20,892 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:20,892 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:20,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 17:19:20,892 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:20,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:20,893 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-21 17:19:20,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:20,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1315412834] [2020-08-21 17:19:20,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:20,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-21 17:19:21,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1315412834] [2020-08-21 17:19:21,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:21,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 17:19:21,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853849941] [2020-08-21 17:19:21,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 17:19:21,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:21,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 17:19:21,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 17:19:21,108 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-21 17:19:21,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:21,350 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-21 17:19:21,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 17:19:21,350 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-21 17:19:21,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:21,354 INFO L225 Difference]: With dead ends: 188 [2020-08-21 17:19:21,354 INFO L226 Difference]: Without dead ends: 109 [2020-08-21 17:19:21,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:19:21,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-21 17:19:21,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-21 17:19:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-21 17:19:21,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-21 17:19:21,390 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-21 17:19:21,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:21,390 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-21 17:19:21,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 17:19:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-21 17:19:21,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-21 17:19:21,395 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:21,395 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:21,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 17:19:21,396 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:21,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:21,396 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-21 17:19:21,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:21,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186942031] [2020-08-21 17:19:21,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:21,721 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-21 17:19:21,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186942031] [2020-08-21 17:19:21,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:21,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 17:19:21,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439676375] [2020-08-21 17:19:21,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 17:19:21,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:21,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 17:19:21,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 17:19:21,724 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-21 17:19:22,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:22,176 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-21 17:19:22,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-21 17:19:22,176 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-21 17:19:22,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:22,179 INFO L225 Difference]: With dead ends: 199 [2020-08-21 17:19:22,179 INFO L226 Difference]: Without dead ends: 86 [2020-08-21 17:19:22,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-08-21 17:19:22,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-21 17:19:22,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-21 17:19:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-21 17:19:22,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-21 17:19:22,190 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-21 17:19:22,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:22,191 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-21 17:19:22,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 17:19:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-21 17:19:22,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 17:19:22,193 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:22,193 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:22,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 17:19:22,193 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:22,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:22,194 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-21 17:19:22,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:22,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228262374] [2020-08-21 17:19:22,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 17:19:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-21 17:19:22,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228262374] [2020-08-21 17:19:22,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:22,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 17:19:22,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153948756] [2020-08-21 17:19:22,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 17:19:22,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:22,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 17:19:22,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 17:19:22,444 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-21 17:19:22,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:22,654 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-21 17:19:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 17:19:22,654 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-21 17:19:22,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:22,656 INFO L225 Difference]: With dead ends: 142 [2020-08-21 17:19:22,656 INFO L226 Difference]: Without dead ends: 78 [2020-08-21 17:19:22,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:19:22,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-21 17:19:22,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-21 17:19:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-21 17:19:22,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-21 17:19:22,665 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-21 17:19:22,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:22,666 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-21 17:19:22,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 17:19:22,666 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-21 17:19:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-21 17:19:22,668 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:22,668 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:22,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 17:19:22,669 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:22,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:22,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-21 17:19:22,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:22,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173201822] [2020-08-21 17:19:22,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 17:19:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:22,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 17:19:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 17:19:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-21 17:19:23,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173201822] [2020-08-21 17:19:23,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:23,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-21 17:19:23,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57186316] [2020-08-21 17:19:23,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-21 17:19:23,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:23,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-21 17:19:23,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-21 17:19:23,256 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-21 17:19:23,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:23,853 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-21 17:19:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-21 17:19:23,853 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-21 17:19:23,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:23,856 INFO L225 Difference]: With dead ends: 184 [2020-08-21 17:19:23,856 INFO L226 Difference]: Without dead ends: 111 [2020-08-21 17:19:23,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-08-21 17:19:23,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-21 17:19:23,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-21 17:19:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 17:19:23,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-21 17:19:23,871 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-21 17:19:23,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:23,872 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-21 17:19:23,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-21 17:19:23,872 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-21 17:19:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-21 17:19:23,879 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:23,879 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:23,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-21 17:19:23,880 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:23,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:23,880 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-21 17:19:23,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:23,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074340460] [2020-08-21 17:19:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:23,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 17:19:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-21 17:19:24,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074340460] [2020-08-21 17:19:24,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:24,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 17:19:24,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119985002] [2020-08-21 17:19:24,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 17:19:24,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:24,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 17:19:24,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 17:19:24,202 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-21 17:19:24,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:24,485 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-21 17:19:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 17:19:24,487 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-21 17:19:24,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:24,489 INFO L225 Difference]: With dead ends: 188 [2020-08-21 17:19:24,489 INFO L226 Difference]: Without dead ends: 101 [2020-08-21 17:19:24,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-21 17:19:24,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-21 17:19:24,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-21 17:19:24,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-21 17:19:24,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-21 17:19:24,505 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-21 17:19:24,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:24,507 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-21 17:19:24,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 17:19:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-21 17:19:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 17:19:24,510 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:24,511 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:24,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-21 17:19:24,511 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:24,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:24,512 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-21 17:19:24,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:24,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006749748] [2020-08-21 17:19:24,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:24,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-21 17:19:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-21 17:19:25,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006749748] [2020-08-21 17:19:25,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:25,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 17:19:25,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101706180] [2020-08-21 17:19:25,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 17:19:25,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:25,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 17:19:25,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:19:25,067 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-21 17:19:25,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:25,657 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-21 17:19:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 17:19:25,658 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-21 17:19:25,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:25,661 INFO L225 Difference]: With dead ends: 224 [2020-08-21 17:19:25,661 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 17:19:25,663 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 [2020-08-21 17:19:25,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 17:19:25,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-21 17:19:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-21 17:19:25,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-21 17:19:25,677 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-21 17:19:25,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:25,678 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-21 17:19:25,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 17:19:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-21 17:19:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 17:19:25,680 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:25,681 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:25,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-21 17:19:25,681 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:25,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:25,682 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-21 17:19:25,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:25,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725924161] [2020-08-21 17:19:25,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:25,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-21 17:19:26,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725924161] [2020-08-21 17:19:26,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:26,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 17:19:26,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135819038] [2020-08-21 17:19:26,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 17:19:26,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:26,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 17:19:26,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-21 17:19:26,074 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-21 17:19:26,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:26,382 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-21 17:19:26,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 17:19:26,383 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-21 17:19:26,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:26,387 INFO L225 Difference]: With dead ends: 244 [2020-08-21 17:19:26,387 INFO L226 Difference]: Without dead ends: 240 [2020-08-21 17:19:26,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-21 17:19:26,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-21 17:19:26,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-21 17:19:26,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-21 17:19:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-21 17:19:26,416 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-21 17:19:26,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:26,416 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-21 17:19:26,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 17:19:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-21 17:19:26,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-21 17:19:26,420 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:26,421 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:26,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-21 17:19:26,421 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:26,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:26,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-21 17:19:26,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:26,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591928052] [2020-08-21 17:19:26,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 17:19:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-21 17:19:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 17:19:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 167 proven. 362 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2020-08-21 17:19:26,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591928052] [2020-08-21 17:19:26,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:26,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 17:19:26,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614853817] [2020-08-21 17:19:26,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 17:19:26,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:26,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 17:19:26,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 17:19:26,985 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-21 17:19:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:27,235 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-21 17:19:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 17:19:27,236 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-21 17:19:27,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:27,239 INFO L225 Difference]: With dead ends: 429 [2020-08-21 17:19:27,240 INFO L226 Difference]: Without dead ends: 225 [2020-08-21 17:19:27,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-21 17:19:27,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-21 17:19:27,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-21 17:19:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-21 17:19:27,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-21 17:19:27,264 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-21 17:19:27,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:27,265 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-21 17:19:27,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 17:19:27,265 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-21 17:19:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-21 17:19:27,271 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:27,271 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:27,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-21 17:19:27,272 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:27,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:27,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-21 17:19:27,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:27,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915502574] [2020-08-21 17:19:27,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:27,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-21 17:19:28,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915502574] [2020-08-21 17:19:28,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:28,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 17:19:28,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928978552] [2020-08-21 17:19:28,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 17:19:28,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:28,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 17:19:28,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-21 17:19:28,017 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-21 17:19:28,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:28,352 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-21 17:19:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 17:19:28,352 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-21 17:19:28,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:28,359 INFO L225 Difference]: With dead ends: 469 [2020-08-21 17:19:28,359 INFO L226 Difference]: Without dead ends: 465 [2020-08-21 17:19:28,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-21 17:19:28,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-21 17:19:28,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-21 17:19:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-21 17:19:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-21 17:19:28,395 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-21 17:19:28,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:28,395 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-21 17:19:28,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 17:19:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-21 17:19:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-21 17:19:28,402 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:28,403 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 22, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:28,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-21 17:19:28,403 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:28,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:28,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-21 17:19:28,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:28,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043202961] [2020-08-21 17:19:28,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:28,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-21 17:19:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-21 17:19:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 297 proven. 795 refuted. 0 times theorem prover too weak. 2677 trivial. 0 not checked. [2020-08-21 17:19:29,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043202961] [2020-08-21 17:19:29,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:29,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 17:19:29,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131545436] [2020-08-21 17:19:29,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 17:19:29,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:29,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 17:19:29,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:19:29,638 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-21 17:19:30,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:30,199 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-21 17:19:30,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 17:19:30,200 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-21 17:19:30,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:30,214 INFO L225 Difference]: With dead ends: 924 [2020-08-21 17:19:30,215 INFO L226 Difference]: Without dead ends: 493 [2020-08-21 17:19:30,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-21 17:19:30,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-21 17:19:30,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-21 17:19:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-21 17:19:30,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-21 17:19:30,268 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-21 17:19:30,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:30,269 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-21 17:19:30,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 17:19:30,269 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-21 17:19:30,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-21 17:19:30,279 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:30,279 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 11, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:30,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-21 17:19:30,280 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:30,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:30,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 7 times [2020-08-21 17:19:30,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:30,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801338220] [2020-08-21 17:19:30,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:30,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:19:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1102 proven. 902 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2020-08-21 17:19:31,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801338220] [2020-08-21 17:19:31,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:31,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-21 17:19:31,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565425633] [2020-08-21 17:19:31,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-21 17:19:31,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:31,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-21 17:19:31,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-08-21 17:19:31,885 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 22 states. [2020-08-21 17:19:32,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:32,945 INFO L93 Difference]: Finished difference Result 1181 states and 2195 transitions. [2020-08-21 17:19:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-21 17:19:32,946 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-08-21 17:19:32,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:32,957 INFO L225 Difference]: With dead ends: 1181 [2020-08-21 17:19:32,958 INFO L226 Difference]: Without dead ends: 756 [2020-08-21 17:19:32,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-08-21 17:19:32,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-08-21 17:19:33,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 676. [2020-08-21 17:19:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-08-21 17:19:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1086 transitions. [2020-08-21 17:19:33,036 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1086 transitions. Word has length 436 [2020-08-21 17:19:33,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:33,037 INFO L479 AbstractCegarLoop]: Abstraction has 676 states and 1086 transitions. [2020-08-21 17:19:33,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-21 17:19:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1086 transitions. [2020-08-21 17:19:33,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2020-08-21 17:19:33,073 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:33,074 INFO L422 BasicCegarLoop]: trace histogram [64, 64, 57, 57, 50, 48, 32, 32, 32, 32, 32, 32, 32, 28, 28, 28, 28, 28, 28, 28, 22, 16, 14, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:33,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-21 17:19:33,075 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:33,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:33,078 INFO L82 PathProgramCache]: Analyzing trace with hash 410125777, now seen corresponding path program 8 times [2020-08-21 17:19:33,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:33,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060503502] [2020-08-21 17:19:33,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:33,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:33,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:33,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:34,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-21 17:19:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2020-08-21 17:19:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:35,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:36,395 INFO L134 CoverageAnalysis]: Checked inductivity of 20297 backedges. 1254 proven. 3853 refuted. 0 times theorem prover too weak. 15190 trivial. 0 not checked. [2020-08-21 17:19:36,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060503502] [2020-08-21 17:19:36,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:36,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-08-21 17:19:36,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525860629] [2020-08-21 17:19:36,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-21 17:19:36,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:36,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-21 17:19:36,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2020-08-21 17:19:36,398 INFO L87 Difference]: Start difference. First operand 676 states and 1086 transitions. Second operand 23 states. [2020-08-21 17:19:37,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:37,458 INFO L93 Difference]: Finished difference Result 1184 states and 2069 transitions. [2020-08-21 17:19:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-08-21 17:19:37,458 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 831 [2020-08-21 17:19:37,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:37,466 INFO L225 Difference]: With dead ends: 1184 [2020-08-21 17:19:37,466 INFO L226 Difference]: Without dead ends: 512 [2020-08-21 17:19:37,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=392, Invalid=2364, Unknown=0, NotChecked=0, Total=2756 [2020-08-21 17:19:37,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-08-21 17:19:37,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 400. [2020-08-21 17:19:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-08-21 17:19:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 611 transitions. [2020-08-21 17:19:37,515 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 611 transitions. Word has length 831 [2020-08-21 17:19:37,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:37,517 INFO L479 AbstractCegarLoop]: Abstraction has 400 states and 611 transitions. [2020-08-21 17:19:37,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-21 17:19:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 611 transitions. [2020-08-21 17:19:37,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-08-21 17:19:37,521 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:37,521 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 27, 27, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 11, 10, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:37,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-21 17:19:37,522 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:37,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:37,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1326629730, now seen corresponding path program 9 times [2020-08-21 17:19:37,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:37,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701861396] [2020-08-21 17:19:37,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:37,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:37,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:37,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:19:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 179 proven. 1128 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2020-08-21 17:19:38,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701861396] [2020-08-21 17:19:38,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:38,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-21 17:19:38,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99190435] [2020-08-21 17:19:38,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-21 17:19:38,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:38,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-21 17:19:38,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-21 17:19:38,898 INFO L87 Difference]: Start difference. First operand 400 states and 611 transitions. Second operand 13 states. [2020-08-21 17:19:39,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:39,321 INFO L93 Difference]: Finished difference Result 939 states and 1507 transitions. [2020-08-21 17:19:39,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 17:19:39,321 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 463 [2020-08-21 17:19:39,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:39,335 INFO L225 Difference]: With dead ends: 939 [2020-08-21 17:19:39,335 INFO L226 Difference]: Without dead ends: 935 [2020-08-21 17:19:39,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-08-21 17:19:39,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-08-21 17:19:39,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 889. [2020-08-21 17:19:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-08-21 17:19:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1427 transitions. [2020-08-21 17:19:39,399 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1427 transitions. Word has length 463 [2020-08-21 17:19:39,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:39,400 INFO L479 AbstractCegarLoop]: Abstraction has 889 states and 1427 transitions. [2020-08-21 17:19:39,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-21 17:19:39,400 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1427 transitions. [2020-08-21 17:19:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-08-21 17:19:39,406 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:39,407 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 37, 37, 31, 31, 20, 20, 20, 20, 20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 13, 11, 9, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:39,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-21 17:19:39,408 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:39,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:39,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1112347357, now seen corresponding path program 10 times [2020-08-21 17:19:39,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:39,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [318148142] [2020-08-21 17:19:39,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:39,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 17:19:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-21 17:19:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 8086 backedges. 547 proven. 1475 refuted. 0 times theorem prover too weak. 6064 trivial. 0 not checked. [2020-08-21 17:19:40,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [318148142] [2020-08-21 17:19:40,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:40,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 17:19:40,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627879694] [2020-08-21 17:19:40,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 17:19:40,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:40,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 17:19:40,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-21 17:19:40,821 INFO L87 Difference]: Start difference. First operand 889 states and 1427 transitions. Second operand 16 states. [2020-08-21 17:19:41,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:41,539 INFO L93 Difference]: Finished difference Result 1807 states and 3095 transitions. [2020-08-21 17:19:41,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 17:19:41,539 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 531 [2020-08-21 17:19:41,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:41,552 INFO L225 Difference]: With dead ends: 1807 [2020-08-21 17:19:41,552 INFO L226 Difference]: Without dead ends: 936 [2020-08-21 17:19:41,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-21 17:19:41,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-08-21 17:19:41,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 916. [2020-08-21 17:19:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2020-08-21 17:19:41,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1463 transitions. [2020-08-21 17:19:41,629 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1463 transitions. Word has length 531 [2020-08-21 17:19:41,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:41,630 INFO L479 AbstractCegarLoop]: Abstraction has 916 states and 1463 transitions. [2020-08-21 17:19:41,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 17:19:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1463 transitions. [2020-08-21 17:19:41,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2020-08-21 17:19:41,643 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:41,644 INFO L422 BasicCegarLoop]: trace histogram [84, 84, 83, 83, 68, 67, 42, 42, 42, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 41, 27, 25, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:41,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-21 17:19:41,644 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:41,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:41,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1698967538, now seen corresponding path program 11 times [2020-08-21 17:19:41,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:41,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117725115] [2020-08-21 17:19:41,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:42,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:42,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:42,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:19:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:43,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:19:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:44,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2020-08-21 17:19:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:45,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 38769 backedges. 1464 proven. 5117 refuted. 0 times theorem prover too weak. 32188 trivial. 0 not checked. [2020-08-21 17:19:46,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117725115] [2020-08-21 17:19:46,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:46,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-21 17:19:46,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760701411] [2020-08-21 17:19:46,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-21 17:19:46,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:46,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-21 17:19:46,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-08-21 17:19:46,216 INFO L87 Difference]: Start difference. First operand 916 states and 1463 transitions. Second operand 20 states. [2020-08-21 17:19:47,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:47,526 INFO L93 Difference]: Finished difference Result 1512 states and 2634 transitions. [2020-08-21 17:19:47,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-08-21 17:19:47,527 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1144 [2020-08-21 17:19:47,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:47,535 INFO L225 Difference]: With dead ends: 1512 [2020-08-21 17:19:47,535 INFO L226 Difference]: Without dead ends: 601 [2020-08-21 17:19:47,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=382, Invalid=2480, Unknown=0, NotChecked=0, Total=2862 [2020-08-21 17:19:47,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-08-21 17:19:47,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 538. [2020-08-21 17:19:47,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-08-21 17:19:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 839 transitions. [2020-08-21 17:19:47,587 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 839 transitions. Word has length 1144 [2020-08-21 17:19:47,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:47,588 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 839 transitions. [2020-08-21 17:19:47,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-21 17:19:47,588 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 839 transitions. [2020-08-21 17:19:47,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 968 [2020-08-21 17:19:47,602 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:47,603 INFO L422 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 57, 57, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 22, 22, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:47,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-21 17:19:47,603 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:47,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:47,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1743495133, now seen corresponding path program 12 times [2020-08-21 17:19:47,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:47,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829953008] [2020-08-21 17:19:47,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:47,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:48,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:19:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-21 17:19:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:19:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-21 17:19:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:49,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:50,754 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 913 proven. 3546 refuted. 0 times theorem prover too weak. 23093 trivial. 0 not checked. [2020-08-21 17:19:50,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829953008] [2020-08-21 17:19:50,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:50,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 17:19:50,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409293691] [2020-08-21 17:19:50,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 17:19:50,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:50,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 17:19:50,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-21 17:19:50,760 INFO L87 Difference]: Start difference. First operand 538 states and 839 transitions. Second operand 18 states. [2020-08-21 17:19:51,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:51,706 INFO L93 Difference]: Finished difference Result 1082 states and 1732 transitions. [2020-08-21 17:19:51,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-21 17:19:51,707 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 967 [2020-08-21 17:19:51,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:51,715 INFO L225 Difference]: With dead ends: 1082 [2020-08-21 17:19:51,715 INFO L226 Difference]: Without dead ends: 576 [2020-08-21 17:19:51,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 17:19:51,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-08-21 17:19:51,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 538. [2020-08-21 17:19:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-08-21 17:19:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 808 transitions. [2020-08-21 17:19:51,754 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 808 transitions. Word has length 967 [2020-08-21 17:19:51,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:51,755 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 808 transitions. [2020-08-21 17:19:51,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 17:19:51,755 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 808 transitions. [2020-08-21 17:19:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-21 17:19:51,768 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:51,769 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 74, 74, 61, 61, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 24, 23, 16, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:51,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-21 17:19:51,770 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:51,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:51,770 INFO L82 PathProgramCache]: Analyzing trace with hash -757877700, now seen corresponding path program 13 times [2020-08-21 17:19:51,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:51,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393697139] [2020-08-21 17:19:51,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:52,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:52,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:52,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:19:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 17:19:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:53,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:19:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-21 17:19:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:54,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 31644 backedges. 3305 proven. 4520 refuted. 0 times theorem prover too weak. 23819 trivial. 0 not checked. [2020-08-21 17:19:55,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393697139] [2020-08-21 17:19:55,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:19:55,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-08-21 17:19:55,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623605066] [2020-08-21 17:19:55,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-08-21 17:19:55,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:19:55,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-08-21 17:19:55,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2020-08-21 17:19:55,461 INFO L87 Difference]: Start difference. First operand 538 states and 808 transitions. Second operand 28 states. [2020-08-21 17:19:57,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:19:57,248 INFO L93 Difference]: Finished difference Result 876 states and 1413 transitions. [2020-08-21 17:19:57,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-08-21 17:19:57,248 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 1035 [2020-08-21 17:19:57,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:19:57,253 INFO L225 Difference]: With dead ends: 876 [2020-08-21 17:19:57,254 INFO L226 Difference]: Without dead ends: 327 [2020-08-21 17:19:57,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1348 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=551, Invalid=4279, Unknown=0, NotChecked=0, Total=4830 [2020-08-21 17:19:57,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-08-21 17:19:57,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 254. [2020-08-21 17:19:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-08-21 17:19:57,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 374 transitions. [2020-08-21 17:19:57,278 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 374 transitions. Word has length 1035 [2020-08-21 17:19:57,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:19:57,278 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 374 transitions. [2020-08-21 17:19:57,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-08-21 17:19:57,279 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 374 transitions. [2020-08-21 17:19:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1567 [2020-08-21 17:19:57,303 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:19:57,303 INFO L422 BasicCegarLoop]: trace histogram [115, 115, 114, 114, 93, 92, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 36, 35, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:19:57,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-21 17:19:57,304 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:19:57,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:19:57,305 INFO L82 PathProgramCache]: Analyzing trace with hash 2035077717, now seen corresponding path program 14 times [2020-08-21 17:19:57,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:19:57,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555089448] [2020-08-21 17:19:57,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:19:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:58,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:19:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:58,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:19:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:19:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:19:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:19:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:19:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:19:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:19:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:19:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:19:59,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:19:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:20:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 17:20:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:20:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:20:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:20:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:20:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:00,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 17:20:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:20:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2020-08-21 17:20:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:20:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:20:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:01,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:20:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:20:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:02,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 73216 backedges. 2499 proven. 7918 refuted. 0 times theorem prover too weak. 62799 trivial. 0 not checked. [2020-08-21 17:20:04,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555089448] [2020-08-21 17:20:04,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:20:04,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-21 17:20:04,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20052797] [2020-08-21 17:20:04,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-21 17:20:04,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:20:04,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-21 17:20:04,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2020-08-21 17:20:04,042 INFO L87 Difference]: Start difference. First operand 254 states and 374 transitions. Second operand 22 states. [2020-08-21 17:20:05,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:20:05,899 INFO L93 Difference]: Finished difference Result 558 states and 917 transitions. [2020-08-21 17:20:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-08-21 17:20:05,900 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1566 [2020-08-21 17:20:05,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:20:05,907 INFO L225 Difference]: With dead ends: 558 [2020-08-21 17:20:05,907 INFO L226 Difference]: Without dead ends: 328 [2020-08-21 17:20:05,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=477, Invalid=3305, Unknown=0, NotChecked=0, Total=3782 [2020-08-21 17:20:05,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-08-21 17:20:05,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 306. [2020-08-21 17:20:05,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-08-21 17:20:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 460 transitions. [2020-08-21 17:20:05,938 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 460 transitions. Word has length 1566 [2020-08-21 17:20:05,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:20:05,940 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 460 transitions. [2020-08-21 17:20:05,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-21 17:20:05,940 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 460 transitions. [2020-08-21 17:20:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2020-08-21 17:20:05,953 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:20:05,954 INFO L422 BasicCegarLoop]: trace histogram [81, 81, 80, 80, 65, 65, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 25, 25, 16, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:20:05,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-21 17:20:05,954 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:20:05,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:20:05,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1604839333, now seen corresponding path program 15 times [2020-08-21 17:20:05,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:20:05,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185764558] [2020-08-21 17:20:05,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:20:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:06,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:20:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:06,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 17:20:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:06,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:20:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:20:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 17:20:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:20:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 17:20:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 17:20:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 17:20:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 17:20:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:20:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 17:20:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:20:07,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:20:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat