/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 23:46:33,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 23:46:33,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 23:46:33,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 23:46:33,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 23:46:33,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 23:46:33,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 23:46:33,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 23:46:33,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 23:46:33,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 23:46:33,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 23:46:33,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 23:46:33,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 23:46:33,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 23:46:33,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 23:46:33,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 23:46:33,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 23:46:33,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 23:46:33,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 23:46:33,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 23:46:33,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 23:46:33,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 23:46:33,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 23:46:33,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 23:46:33,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 23:46:33,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 23:46:33,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 23:46:33,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 23:46:33,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 23:46:33,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 23:46:33,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 23:46:33,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 23:46:33,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 23:46:33,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 23:46:33,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 23:46:33,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 23:46:33,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 23:46:33,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 23:46:33,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 23:46:33,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 23:46:33,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 23:46:33,484 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 23:46:33,522 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 23:46:33,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 23:46:33,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 23:46:33,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 23:46:33,525 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 23:46:33,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 23:46:33,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 23:46:33,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 23:46:33,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 23:46:33,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 23:46:33,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 23:46:33,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 23:46:33,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 23:46:33,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 23:46:33,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 23:46:33,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 23:46:33,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 23:46:33,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 23:46:33,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 23:46:33,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 23:46:33,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 23:46:33,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:46:33,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 23:46:33,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 23:46:33,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 23:46:33,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 23:46:33,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 23:46:33,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 23:46:33,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 23:46:33,533 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-21 23:46:33,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 23:46:33,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 23:46:33,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 23:46:33,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 23:46:33,901 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 23:46:33,901 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-08-21 23:46:33,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1a3e5ac93/98866eef39f54717abc51c505532af1c/FLAG83e0207a1 [2020-08-21 23:46:34,472 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 23:46:34,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-08-21 23:46:34,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1a3e5ac93/98866eef39f54717abc51c505532af1c/FLAG83e0207a1 [2020-08-21 23:46:34,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1a3e5ac93/98866eef39f54717abc51c505532af1c [2020-08-21 23:46:34,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 23:46:34,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 23:46:34,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 23:46:34,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 23:46:34,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 23:46:34,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:46:34" (1/1) ... [2020-08-21 23:46:34,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa43bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:34, skipping insertion in model container [2020-08-21 23:46:34,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:46:34" (1/1) ... [2020-08-21 23:46:34,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 23:46:34,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 23:46:35,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:46:35,059 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 23:46:35,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:46:35,088 INFO L208 MainTranslator]: Completed translation [2020-08-21 23:46:35,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:35 WrapperNode [2020-08-21 23:46:35,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 23:46:35,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 23:46:35,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 23:46:35,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 23:46:35,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:35" (1/1) ... [2020-08-21 23:46:35,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:35" (1/1) ... [2020-08-21 23:46:35,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:35" (1/1) ... [2020-08-21 23:46:35,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:35" (1/1) ... [2020-08-21 23:46:35,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:35" (1/1) ... [2020-08-21 23:46:35,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:35" (1/1) ... [2020-08-21 23:46:35,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:35" (1/1) ... [2020-08-21 23:46:35,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 23:46:35,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 23:46:35,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 23:46:35,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 23:46:35,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:35" (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 23:46:35,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 23:46:35,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 23:46:35,267 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-21 23:46:35,267 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-21 23:46:35,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 23:46:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 23:46:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 23:46:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-21 23:46:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-21 23:46:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 23:46:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 23:46:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 23:46:35,464 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 23:46:35,464 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 23:46:35,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:46:35 BoogieIcfgContainer [2020-08-21 23:46:35,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 23:46:35,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 23:46:35,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 23:46:35,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 23:46:35,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:46:34" (1/3) ... [2020-08-21 23:46:35,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639af83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:46:35, skipping insertion in model container [2020-08-21 23:46:35,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:46:35" (2/3) ... [2020-08-21 23:46:35,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639af83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:46:35, skipping insertion in model container [2020-08-21 23:46:35,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:46:35" (3/3) ... [2020-08-21 23:46:35,478 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-2.c [2020-08-21 23:46:35,491 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 23:46:35,502 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 23:46:35,520 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 23:46:35,557 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 23:46:35,558 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 23:46:35,558 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 23:46:35,559 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 23:46:35,559 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 23:46:35,559 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 23:46:35,559 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 23:46:35,560 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 23:46:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-21 23:46:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-21 23:46:35,596 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:35,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:46:35,597 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:35,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-21 23:46:35,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:35,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877272289] [2020-08-21 23:46:35,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:35,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:35,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:35,841 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 23:46:35,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877272289] [2020-08-21 23:46:35,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:46:35,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 23:46:35,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419775534] [2020-08-21 23:46:35,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:46:35,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:35,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:46:35,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:46:35,881 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-21 23:46:36,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:36,014 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-21 23:46:36,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 23:46:36,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-21 23:46:36,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:36,027 INFO L225 Difference]: With dead ends: 44 [2020-08-21 23:46:36,028 INFO L226 Difference]: Without dead ends: 30 [2020-08-21 23:46:36,032 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 23:46:36,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-21 23:46:36,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-21 23:46:36,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 23:46:36,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 23:46:36,079 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-21 23:46:36,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:36,079 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 23:46:36,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:46:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 23:46:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-21 23:46:36,081 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:36,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:46:36,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 23:46:36,083 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:36,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:36,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-21 23:46:36,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:36,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749603235] [2020-08-21 23:46:36,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,154 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 23:46:36,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749603235] [2020-08-21 23:46:36,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:46:36,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 23:46:36,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338055898] [2020-08-21 23:46:36,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:46:36,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:36,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:46:36,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:46:36,159 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-21 23:46:36,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:36,226 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-21 23:46:36,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 23:46:36,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-21 23:46:36,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:36,229 INFO L225 Difference]: With dead ends: 36 [2020-08-21 23:46:36,229 INFO L226 Difference]: Without dead ends: 32 [2020-08-21 23:46:36,231 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 23:46:36,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-21 23:46:36,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-21 23:46:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 23:46:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 23:46:36,240 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-21 23:46:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:36,241 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 23:46:36,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:46:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 23:46:36,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-21 23:46:36,243 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:36,243 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 23:46:36,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 23:46:36,244 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:36,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:36,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-21 23:46:36,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:36,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902565173] [2020-08-21 23:46:36,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:46:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,407 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 23:46:36,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902565173] [2020-08-21 23:46:36,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:36,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 23:46:36,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801016042] [2020-08-21 23:46:36,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 23:46:36,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:36,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 23:46:36,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:46:36,410 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-21 23:46:36,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:36,498 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-21 23:46:36,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 23:46:36,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-21 23:46:36,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:36,501 INFO L225 Difference]: With dead ends: 58 [2020-08-21 23:46:36,501 INFO L226 Difference]: Without dead ends: 34 [2020-08-21 23:46:36,503 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 23:46:36,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-21 23:46:36,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-21 23:46:36,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-21 23:46:36,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-21 23:46:36,513 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-21 23:46:36,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:36,514 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-21 23:46:36,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 23:46:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-21 23:46:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 23:46:36,516 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:36,517 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 23:46:36,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 23:46:36,517 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:36,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:36,518 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-21 23:46:36,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:36,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876101042] [2020-08-21 23:46:36,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,704 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 23:46:36,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876101042] [2020-08-21 23:46:36,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:36,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 23:46:36,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229738751] [2020-08-21 23:46:36,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 23:46:36,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:36,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 23:46:36,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:46:36,711 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-21 23:46:36,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:36,910 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-21 23:46:36,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 23:46:36,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-21 23:46:36,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:36,914 INFO L225 Difference]: With dead ends: 54 [2020-08-21 23:46:36,915 INFO L226 Difference]: Without dead ends: 50 [2020-08-21 23:46:36,915 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 23:46:36,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-21 23:46:36,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-21 23:46:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-21 23:46:36,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-21 23:46:36,929 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-21 23:46:36,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:36,930 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-21 23:46:36,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 23:46:36,930 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-21 23:46:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-21 23:46:36,932 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:36,932 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 23:46:36,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 23:46:36,933 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:36,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:36,933 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-21 23:46:36,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:36,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492511526] [2020-08-21 23:46:36,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:36,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:46:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:46:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,043 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 23:46:37,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492511526] [2020-08-21 23:46:37,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:37,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 23:46:37,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182430021] [2020-08-21 23:46:37,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 23:46:37,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:37,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 23:46:37,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 23:46:37,047 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-21 23:46:37,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:37,138 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-21 23:46:37,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 23:46:37,139 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-21 23:46:37,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:37,141 INFO L225 Difference]: With dead ends: 94 [2020-08-21 23:46:37,141 INFO L226 Difference]: Without dead ends: 52 [2020-08-21 23:46:37,143 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 23:46:37,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-21 23:46:37,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-21 23:46:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-21 23:46:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-21 23:46:37,155 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-21 23:46:37,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:37,155 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-21 23:46:37,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 23:46:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-21 23:46:37,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 23:46:37,158 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:37,158 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 23:46:37,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 23:46:37,159 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:37,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:37,159 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-21 23:46:37,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:37,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63777148] [2020-08-21 23:46:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,324 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 23:46:37,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63777148] [2020-08-21 23:46:37,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:37,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 23:46:37,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871251882] [2020-08-21 23:46:37,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:46:37,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:37,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:46:37,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:46:37,327 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-21 23:46:37,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:37,431 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-21 23:46:37,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 23:46:37,432 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-21 23:46:37,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:37,434 INFO L225 Difference]: With dead ends: 103 [2020-08-21 23:46:37,434 INFO L226 Difference]: Without dead ends: 57 [2020-08-21 23:46:37,436 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 23:46:37,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-21 23:46:37,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-21 23:46:37,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-21 23:46:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-21 23:46:37,447 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-21 23:46:37,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:37,448 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-21 23:46:37,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:46:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-21 23:46:37,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-21 23:46:37,450 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:37,451 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 23:46:37,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 23:46:37,451 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:37,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:37,452 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-21 23:46:37,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:37,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804440595] [2020-08-21 23:46:37,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,595 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 23:46:37,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804440595] [2020-08-21 23:46:37,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:37,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 23:46:37,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719951785] [2020-08-21 23:46:37,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:46:37,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:37,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:46:37,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:46:37,598 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-21 23:46:37,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:37,808 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-21 23:46:37,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 23:46:37,809 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-21 23:46:37,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:37,812 INFO L225 Difference]: With dead ends: 86 [2020-08-21 23:46:37,812 INFO L226 Difference]: Without dead ends: 82 [2020-08-21 23:46:37,813 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 23:46:37,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-21 23:46:37,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-21 23:46:37,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-21 23:46:37,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-21 23:46:37,831 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-21 23:46:37,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:37,832 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-21 23:46:37,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:46:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-21 23:46:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-21 23:46:37,836 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:37,836 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 23:46:37,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 23:46:37,837 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:37,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:37,837 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-21 23:46:37,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:37,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764192976] [2020-08-21 23:46:37,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 23:46:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:37,993 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 23:46:37,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764192976] [2020-08-21 23:46:37,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:37,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 23:46:37,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131879160] [2020-08-21 23:46:37,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:46:37,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:37,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:46:37,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:46:37,995 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-21 23:46:38,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:38,126 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-21 23:46:38,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 23:46:38,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-21 23:46:38,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:38,128 INFO L225 Difference]: With dead ends: 167 [2020-08-21 23:46:38,129 INFO L226 Difference]: Without dead ends: 94 [2020-08-21 23:46:38,130 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 23:46:38,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-21 23:46:38,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-21 23:46:38,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-21 23:46:38,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-21 23:46:38,154 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-21 23:46:38,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:38,155 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-21 23:46:38,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:46:38,155 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-21 23:46:38,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-21 23:46:38,159 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:38,159 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 23:46:38,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 23:46:38,163 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:38,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:38,163 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-21 23:46:38,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:38,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669183652] [2020-08-21 23:46:38,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,341 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 23:46:38,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669183652] [2020-08-21 23:46:38,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:38,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 23:46:38,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825746942] [2020-08-21 23:46:38,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 23:46:38,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:38,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 23:46:38,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 23:46:38,344 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-21 23:46:38,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:38,589 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-21 23:46:38,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 23:46:38,590 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-21 23:46:38,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:38,592 INFO L225 Difference]: With dead ends: 188 [2020-08-21 23:46:38,592 INFO L226 Difference]: Without dead ends: 109 [2020-08-21 23:46:38,594 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 23:46:38,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-21 23:46:38,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-21 23:46:38,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-21 23:46:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-21 23:46:38,611 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-21 23:46:38,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:38,612 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-21 23:46:38,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 23:46:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-21 23:46:38,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-21 23:46:38,615 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:38,615 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 23:46:38,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 23:46:38,615 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:38,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:38,616 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-21 23:46:38,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:38,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849044782] [2020-08-21 23:46:38,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:38,848 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 23:46:38,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849044782] [2020-08-21 23:46:38,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:38,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 23:46:38,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670418478] [2020-08-21 23:46:38,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 23:46:38,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:38,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 23:46:38,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 23:46:38,851 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-21 23:46:39,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:39,229 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-21 23:46:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-21 23:46:39,229 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-21 23:46:39,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:39,231 INFO L225 Difference]: With dead ends: 199 [2020-08-21 23:46:39,231 INFO L226 Difference]: Without dead ends: 86 [2020-08-21 23:46:39,233 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 23:46:39,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-21 23:46:39,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-21 23:46:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-21 23:46:39,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-21 23:46:39,243 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-21 23:46:39,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:39,243 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-21 23:46:39,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 23:46:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-21 23:46:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 23:46:39,245 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:39,245 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 23:46:39,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 23:46:39,246 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:39,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:39,246 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-21 23:46:39,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:39,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924253949] [2020-08-21 23:46:39,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 23:46:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,471 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 23:46:39,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924253949] [2020-08-21 23:46:39,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:39,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 23:46:39,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764599911] [2020-08-21 23:46:39,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 23:46:39,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:39,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 23:46:39,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 23:46:39,474 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-21 23:46:39,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:39,656 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-21 23:46:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 23:46:39,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-21 23:46:39,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:39,658 INFO L225 Difference]: With dead ends: 142 [2020-08-21 23:46:39,658 INFO L226 Difference]: Without dead ends: 78 [2020-08-21 23:46:39,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-21 23:46:39,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-21 23:46:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-21 23:46:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-21 23:46:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-21 23:46:39,675 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-21 23:46:39,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:39,676 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-21 23:46:39,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 23:46:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-21 23:46:39,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-21 23:46:39,679 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:39,679 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 23:46:39,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 23:46:39,680 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:39,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:39,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-21 23:46:39,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:39,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881270035] [2020-08-21 23:46:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:39,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 23:46:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 23:46:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 23:46:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,300 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 23:46:40,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881270035] [2020-08-21 23:46:40,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:40,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-21 23:46:40,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116659710] [2020-08-21 23:46:40,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-21 23:46:40,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:40,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-21 23:46:40,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-21 23:46:40,303 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-21 23:46:40,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:40,889 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-21 23:46:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-21 23:46:40,890 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-21 23:46:40,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:40,892 INFO L225 Difference]: With dead ends: 184 [2020-08-21 23:46:40,892 INFO L226 Difference]: Without dead ends: 111 [2020-08-21 23:46:40,895 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 23:46:40,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-21 23:46:40,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-21 23:46:40,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 23:46:40,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-21 23:46:40,927 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-21 23:46:40,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:40,928 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-21 23:46:40,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-21 23:46:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-21 23:46:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-21 23:46:40,932 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:40,933 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 23:46:40,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-21 23:46:40,933 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:40,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:40,934 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-21 23:46:40,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:40,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180259041] [2020-08-21 23:46:40,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:40,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 23:46:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,262 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 23:46:41,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180259041] [2020-08-21 23:46:41,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:41,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 23:46:41,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885437241] [2020-08-21 23:46:41,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 23:46:41,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:41,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 23:46:41,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 23:46:41,266 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-21 23:46:41,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:41,549 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-21 23:46:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 23:46:41,550 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-21 23:46:41,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:41,552 INFO L225 Difference]: With dead ends: 188 [2020-08-21 23:46:41,552 INFO L226 Difference]: Without dead ends: 101 [2020-08-21 23:46:41,553 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 23:46:41,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-21 23:46:41,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-21 23:46:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-21 23:46:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-21 23:46:41,568 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-21 23:46:41,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:41,570 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-21 23:46:41,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 23:46:41,570 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-21 23:46:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 23:46:41,572 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:41,573 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 23:46:41,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-21 23:46:41,573 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:41,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:41,574 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-21 23:46:41,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:41,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085770987] [2020-08-21 23:46:41,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-21 23:46:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:41,998 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 23:46:41,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085770987] [2020-08-21 23:46:41,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:41,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 23:46:41,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719931363] [2020-08-21 23:46:41,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 23:46:42,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:42,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 23:46:42,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 23:46:42,000 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-21 23:46:42,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:42,595 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-21 23:46:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 23:46:42,596 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-21 23:46:42,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:42,598 INFO L225 Difference]: With dead ends: 224 [2020-08-21 23:46:42,599 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 23:46:42,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-21 23:46:42,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 23:46:42,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-21 23:46:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-21 23:46:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-21 23:46:42,614 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-21 23:46:42,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:42,614 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-21 23:46:42,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 23:46:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-21 23:46:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 23:46:42,617 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:42,617 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 23:46:42,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-21 23:46:42,618 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:42,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:42,618 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-21 23:46:42,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:42,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007834347] [2020-08-21 23:46:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:42,977 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 23:46:42,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007834347] [2020-08-21 23:46:42,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:42,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 23:46:42,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434107084] [2020-08-21 23:46:42,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 23:46:42,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:42,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 23:46:42,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-21 23:46:42,981 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-21 23:46:43,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:43,284 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-21 23:46:43,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 23:46:43,285 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-21 23:46:43,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:43,288 INFO L225 Difference]: With dead ends: 244 [2020-08-21 23:46:43,288 INFO L226 Difference]: Without dead ends: 240 [2020-08-21 23:46:43,289 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 23:46:43,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-21 23:46:43,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-21 23:46:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-21 23:46:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-21 23:46:43,310 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-21 23:46:43,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:43,310 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-21 23:46:43,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 23:46:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-21 23:46:43,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-08-21 23:46:43,317 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:43,318 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 26, 26, 22, 21, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 8, 8, 8, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:46:43,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-21 23:46:43,318 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:43,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:43,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1635105538, now seen corresponding path program 4 times [2020-08-21 23:46:43,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:43,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327879869] [2020-08-21 23:46:43,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 23:46:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-08-21 23:46:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 23:46:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:43,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4041 backedges. 201 proven. 576 refuted. 0 times theorem prover too weak. 3264 trivial. 0 not checked. [2020-08-21 23:46:44,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327879869] [2020-08-21 23:46:44,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:44,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 23:46:44,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848652927] [2020-08-21 23:46:44,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 23:46:44,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:44,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 23:46:44,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 23:46:44,235 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-21 23:46:44,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:44,483 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-21 23:46:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 23:46:44,484 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 380 [2020-08-21 23:46:44,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:44,487 INFO L225 Difference]: With dead ends: 429 [2020-08-21 23:46:44,488 INFO L226 Difference]: Without dead ends: 225 [2020-08-21 23:46:44,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-21 23:46:44,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-21 23:46:44,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-21 23:46:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-21 23:46:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-21 23:46:44,511 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 380 [2020-08-21 23:46:44,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:44,512 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-21 23:46:44,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 23:46:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-21 23:46:44,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-21 23:46:44,517 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:44,518 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:46:44,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-21 23:46:44,518 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:44,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:44,518 INFO L82 PathProgramCache]: Analyzing trace with hash 657587316, now seen corresponding path program 5 times [2020-08-21 23:46:44,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:44,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307209364] [2020-08-21 23:46:44,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-21 23:46:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:44,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 200 proven. 324 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-21 23:46:45,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307209364] [2020-08-21 23:46:45,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:45,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 23:46:45,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873701518] [2020-08-21 23:46:45,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 23:46:45,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:45,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 23:46:45,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 23:46:45,099 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 14 states. [2020-08-21 23:46:45,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:45,560 INFO L93 Difference]: Finished difference Result 454 states and 689 transitions. [2020-08-21 23:46:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-21 23:46:45,561 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-08-21 23:46:45,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:45,565 INFO L225 Difference]: With dead ends: 454 [2020-08-21 23:46:45,566 INFO L226 Difference]: Without dead ends: 246 [2020-08-21 23:46:45,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-21 23:46:45,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-08-21 23:46:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2020-08-21 23:46:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-08-21 23:46:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2020-08-21 23:46:45,589 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 218 [2020-08-21 23:46:45,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:45,590 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2020-08-21 23:46:45,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 23:46:45,590 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2020-08-21 23:46:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-21 23:46:45,594 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:45,594 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 23:46:45,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-21 23:46:45,595 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:45,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:45,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 6 times [2020-08-21 23:46:45,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:45,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578480291] [2020-08-21 23:46:45,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:45,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:46:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,308 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 23:46:46,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578480291] [2020-08-21 23:46:46,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:46,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 23:46:46,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143426613] [2020-08-21 23:46:46,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 23:46:46,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:46,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 23:46:46,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-21 23:46:46,318 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand 12 states. [2020-08-21 23:46:46,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:46,639 INFO L93 Difference]: Finished difference Result 487 states and 755 transitions. [2020-08-21 23:46:46,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 23:46:46,640 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-21 23:46:46,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:46,650 INFO L225 Difference]: With dead ends: 487 [2020-08-21 23:46:46,650 INFO L226 Difference]: Without dead ends: 483 [2020-08-21 23:46:46,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-21 23:46:46,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-08-21 23:46:46,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2020-08-21 23:46:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-21 23:46:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 717 transitions. [2020-08-21 23:46:46,691 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 717 transitions. Word has length 286 [2020-08-21 23:46:46,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:46,692 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 717 transitions. [2020-08-21 23:46:46,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 23:46:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 717 transitions. [2020-08-21 23:46:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-08-21 23:46:46,699 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:46,699 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 24, 22, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 8, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:46:46,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-21 23:46:46,700 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:46,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:46,700 INFO L82 PathProgramCache]: Analyzing trace with hash 2114796199, now seen corresponding path program 7 times [2020-08-21 23:46:46,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:46,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654059020] [2020-08-21 23:46:46,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:46,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-21 23:46:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-21 23:46:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 289 proven. 900 refuted. 0 times theorem prover too weak. 3182 trivial. 0 not checked. [2020-08-21 23:46:47,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654059020] [2020-08-21 23:46:47,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:47,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 23:46:47,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228719656] [2020-08-21 23:46:47,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 23:46:47,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:47,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 23:46:47,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 23:46:47,806 INFO L87 Difference]: Start difference. First operand 463 states and 717 transitions. Second operand 14 states. [2020-08-21 23:46:48,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:48,266 INFO L93 Difference]: Finished difference Result 978 states and 1610 transitions. [2020-08-21 23:46:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 23:46:48,267 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 395 [2020-08-21 23:46:48,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:48,275 INFO L225 Difference]: With dead ends: 978 [2020-08-21 23:46:48,275 INFO L226 Difference]: Without dead ends: 529 [2020-08-21 23:46:48,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-21 23:46:48,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-08-21 23:46:48,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 502. [2020-08-21 23:46:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-08-21 23:46:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 738 transitions. [2020-08-21 23:46:48,318 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 738 transitions. Word has length 395 [2020-08-21 23:46:48,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:48,318 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 738 transitions. [2020-08-21 23:46:48,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 23:46:48,319 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 738 transitions. [2020-08-21 23:46:48,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-08-21 23:46:48,337 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:48,337 INFO L422 BasicCegarLoop]: trace histogram [49, 49, 48, 48, 40, 38, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 16, 14, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:46:48,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-21 23:46:48,338 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:48,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:48,339 INFO L82 PathProgramCache]: Analyzing trace with hash -85106141, now seen corresponding path program 8 times [2020-08-21 23:46:48,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:48,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783420792] [2020-08-21 23:46:48,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:48,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:48,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:48,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:48,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:46:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 23:46:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:49,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:46:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-21 23:46:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12907 backedges. 1905 proven. 2947 refuted. 0 times theorem prover too weak. 8055 trivial. 0 not checked. [2020-08-21 23:46:50,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783420792] [2020-08-21 23:46:50,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:50,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-21 23:46:50,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686915966] [2020-08-21 23:46:50,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-21 23:46:51,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:51,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-21 23:46:51,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2020-08-21 23:46:51,001 INFO L87 Difference]: Start difference. First operand 502 states and 738 transitions. Second operand 29 states. [2020-08-21 23:46:53,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:53,005 INFO L93 Difference]: Finished difference Result 751 states and 1196 transitions. [2020-08-21 23:46:53,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-08-21 23:46:53,005 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 667 [2020-08-21 23:46:53,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:53,009 INFO L225 Difference]: With dead ends: 751 [2020-08-21 23:46:53,009 INFO L226 Difference]: Without dead ends: 215 [2020-08-21 23:46:53,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=588, Invalid=4814, Unknown=0, NotChecked=0, Total=5402 [2020-08-21 23:46:53,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-08-21 23:46:53,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 165. [2020-08-21 23:46:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-21 23:46:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 225 transitions. [2020-08-21 23:46:53,029 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 225 transitions. Word has length 667 [2020-08-21 23:46:53,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:53,030 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 225 transitions. [2020-08-21 23:46:53,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-21 23:46:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2020-08-21 23:46:53,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-08-21 23:46:53,043 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:53,043 INFO L422 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 31, 31, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 12, 12, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:46:53,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-21 23:46:53,044 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:53,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:53,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1759823621, now seen corresponding path program 9 times [2020-08-21 23:46:53,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:53,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056128778] [2020-08-21 23:46:53,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:46:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:53,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:46:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-08-21 23:46:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 8074 backedges. 704 proven. 1703 refuted. 0 times theorem prover too weak. 5667 trivial. 0 not checked. [2020-08-21 23:46:54,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056128778] [2020-08-21 23:46:54,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:54,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 23:46:54,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792855721] [2020-08-21 23:46:54,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 23:46:54,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:54,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 23:46:54,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-08-21 23:46:54,696 INFO L87 Difference]: Start difference. First operand 165 states and 225 transitions. Second operand 18 states. [2020-08-21 23:46:55,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:55,700 INFO L93 Difference]: Finished difference Result 374 states and 586 transitions. [2020-08-21 23:46:55,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-21 23:46:55,701 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 531 [2020-08-21 23:46:55,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:55,705 INFO L225 Difference]: With dead ends: 374 [2020-08-21 23:46:55,705 INFO L226 Difference]: Without dead ends: 226 [2020-08-21 23:46:55,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=293, Invalid=1777, Unknown=0, NotChecked=0, Total=2070 [2020-08-21 23:46:55,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-08-21 23:46:55,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 183. [2020-08-21 23:46:55,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-08-21 23:46:55,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 256 transitions. [2020-08-21 23:46:55,722 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 256 transitions. Word has length 531 [2020-08-21 23:46:55,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:55,724 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 256 transitions. [2020-08-21 23:46:55,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 23:46:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 256 transitions. [2020-08-21 23:46:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-21 23:46:55,728 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:55,729 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 14, 12, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:46:55,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-21 23:46:55,729 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:55,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:55,730 INFO L82 PathProgramCache]: Analyzing trace with hash 2122481566, now seen corresponding path program 10 times [2020-08-21 23:46:55,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:55,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880962622] [2020-08-21 23:46:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:55,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:55,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:46:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 23:46:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:46:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:56,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:57,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:57,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:57,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:57,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:57,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 9413 backedges. 913 proven. 1781 refuted. 0 times theorem prover too weak. 6719 trivial. 0 not checked. [2020-08-21 23:46:57,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880962622] [2020-08-21 23:46:57,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:46:57,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-21 23:46:57,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286353760] [2020-08-21 23:46:57,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-21 23:46:57,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:46:57,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-21 23:46:57,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-21 23:46:57,394 INFO L87 Difference]: Start difference. First operand 183 states and 256 transitions. Second operand 20 states. [2020-08-21 23:46:58,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:46:58,636 INFO L93 Difference]: Finished difference Result 374 states and 594 transitions. [2020-08-21 23:46:58,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-21 23:46:58,639 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 572 [2020-08-21 23:46:58,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:46:58,648 INFO L225 Difference]: With dead ends: 374 [2020-08-21 23:46:58,648 INFO L226 Difference]: Without dead ends: 214 [2020-08-21 23:46:58,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-08-21 23:46:58,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-08-21 23:46:58,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 207. [2020-08-21 23:46:58,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-08-21 23:46:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 299 transitions. [2020-08-21 23:46:58,675 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 299 transitions. Word has length 572 [2020-08-21 23:46:58,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:46:58,676 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 299 transitions. [2020-08-21 23:46:58,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-21 23:46:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 299 transitions. [2020-08-21 23:46:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-08-21 23:46:58,682 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:46:58,683 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 45, 45, 38, 37, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 22, 22, 22, 22, 16, 13, 10, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:46:58,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-21 23:46:58,683 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:46:58,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:46:58,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1490795651, now seen corresponding path program 11 times [2020-08-21 23:46:58,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:46:58,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780862813] [2020-08-21 23:46:58,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:46:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:58,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:46:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:58,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:46:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:46:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 23:46:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-21 23:46:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:46:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:46:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:46:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:46:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:46:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:46:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:46:59,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:46:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:00,444 INFO L134 CoverageAnalysis]: Checked inductivity of 11869 backedges. 567 proven. 1942 refuted. 0 times theorem prover too weak. 9360 trivial. 0 not checked. [2020-08-21 23:47:00,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780862813] [2020-08-21 23:47:00,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:47:00,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 23:47:00,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141118169] [2020-08-21 23:47:00,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 23:47:00,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:47:00,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 23:47:00,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-21 23:47:00,447 INFO L87 Difference]: Start difference. First operand 207 states and 299 transitions. Second operand 16 states. [2020-08-21 23:47:01,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:47:01,099 INFO L93 Difference]: Finished difference Result 407 states and 612 transitions. [2020-08-21 23:47:01,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 23:47:01,100 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 640 [2020-08-21 23:47:01,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:47:01,102 INFO L225 Difference]: With dead ends: 407 [2020-08-21 23:47:01,103 INFO L226 Difference]: Without dead ends: 228 [2020-08-21 23:47:01,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-21 23:47:01,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-08-21 23:47:01,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 215. [2020-08-21 23:47:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-08-21 23:47:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 309 transitions. [2020-08-21 23:47:01,119 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 309 transitions. Word has length 640 [2020-08-21 23:47:01,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:47:01,120 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 309 transitions. [2020-08-21 23:47:01,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 23:47:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 309 transitions. [2020-08-21 23:47:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 968 [2020-08-21 23:47:01,131 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:47:01,132 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 23:47:01,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-21 23:47:01,132 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:47:01,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:47:01,133 INFO L82 PathProgramCache]: Analyzing trace with hash 801018439, now seen corresponding path program 12 times [2020-08-21 23:47:01,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:47:01,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761018662] [2020-08-21 23:47:01,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:47:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:01,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:47:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:01,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:47:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 23:47:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:02,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 23:47:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2020-08-21 23:47:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:03,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:04,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:04,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:04,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:04,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:04,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 1354 proven. 4110 refuted. 0 times theorem prover too weak. 22088 trivial. 0 not checked. [2020-08-21 23:47:04,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761018662] [2020-08-21 23:47:04,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:47:04,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-21 23:47:04,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964882154] [2020-08-21 23:47:04,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-21 23:47:04,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:47:04,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-21 23:47:04,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-08-21 23:47:04,803 INFO L87 Difference]: Start difference. First operand 215 states and 309 transitions. Second operand 20 states. [2020-08-21 23:47:06,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:47:06,087 INFO L93 Difference]: Finished difference Result 448 states and 721 transitions. [2020-08-21 23:47:06,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-08-21 23:47:06,087 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 967 [2020-08-21 23:47:06,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:47:06,091 INFO L225 Difference]: With dead ends: 448 [2020-08-21 23:47:06,091 INFO L226 Difference]: Without dead ends: 257 [2020-08-21 23:47:06,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=382, Invalid=2480, Unknown=0, NotChecked=0, Total=2862 [2020-08-21 23:47:06,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-08-21 23:47:06,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 242. [2020-08-21 23:47:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-08-21 23:47:06,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 358 transitions. [2020-08-21 23:47:06,111 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 358 transitions. Word has length 967 [2020-08-21 23:47:06,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:47:06,112 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 358 transitions. [2020-08-21 23:47:06,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-21 23:47:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 358 transitions. [2020-08-21 23:47:06,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2020-08-21 23:47:06,119 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:47:06,120 INFO L422 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 47, 46, 29, 29, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 28, 28, 18, 18, 12, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:47:06,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-21 23:47:06,120 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:47:06,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:47:06,121 INFO L82 PathProgramCache]: Analyzing trace with hash 566872508, now seen corresponding path program 13 times [2020-08-21 23:47:06,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:47:06,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355941956] [2020-08-21 23:47:06,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:47:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:47:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:47:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:06,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 23:47:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-21 23:47:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 23:47:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:07,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:08,182 INFO L134 CoverageAnalysis]: Checked inductivity of 18248 backedges. 879 proven. 2682 refuted. 0 times theorem prover too weak. 14687 trivial. 0 not checked. [2020-08-21 23:47:08,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1355941956] [2020-08-21 23:47:08,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:47:08,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 23:47:08,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696749711] [2020-08-21 23:47:08,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 23:47:08,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:47:08,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 23:47:08,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-21 23:47:08,184 INFO L87 Difference]: Start difference. First operand 242 states and 358 transitions. Second operand 18 states. [2020-08-21 23:47:09,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:47:09,058 INFO L93 Difference]: Finished difference Result 476 states and 718 transitions. [2020-08-21 23:47:09,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-21 23:47:09,060 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 790 [2020-08-21 23:47:09,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:47:09,065 INFO L225 Difference]: With dead ends: 476 [2020-08-21 23:47:09,068 INFO L226 Difference]: Without dead ends: 260 [2020-08-21 23:47:09,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 23:47:09,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-08-21 23:47:09,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 242. [2020-08-21 23:47:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-08-21 23:47:09,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 349 transitions. [2020-08-21 23:47:09,096 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 349 transitions. Word has length 790 [2020-08-21 23:47:09,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:47:09,097 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 349 transitions. [2020-08-21 23:47:09,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 23:47:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 349 transitions. [2020-08-21 23:47:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-21 23:47:09,107 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:47:09,107 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:47:09,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-21 23:47:09,108 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:47:09,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:47:09,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 14 times [2020-08-21 23:47:09,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:47:09,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342546121] [2020-08-21 23:47:09,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:47:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:47:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:47:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:09,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 23:47:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 23:47:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:10,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-08-21 23:47:11,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342546121] [2020-08-21 23:47:11,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:47:11,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 23:47:11,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618711149] [2020-08-21 23:47:11,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 23:47:11,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:47:11,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 23:47:11,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-21 23:47:11,276 INFO L87 Difference]: Start difference. First operand 242 states and 349 transitions. Second operand 14 states. [2020-08-21 23:47:11,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:47:11,721 INFO L93 Difference]: Finished difference Result 687 states and 1070 transitions. [2020-08-21 23:47:11,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 23:47:11,721 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-21 23:47:11,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:47:11,736 INFO L225 Difference]: With dead ends: 687 [2020-08-21 23:47:11,736 INFO L226 Difference]: Without dead ends: 683 [2020-08-21 23:47:11,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-21 23:47:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2020-08-21 23:47:11,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 630. [2020-08-21 23:47:11,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-08-21 23:47:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 974 transitions. [2020-08-21 23:47:11,798 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 974 transitions. Word has length 749 [2020-08-21 23:47:11,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:47:11,799 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 974 transitions. [2020-08-21 23:47:11,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 23:47:11,799 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 974 transitions. [2020-08-21 23:47:11,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-21 23:47:11,815 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:47:11,816 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 23:47:11,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-21 23:47:11,816 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:47:11,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:47:11,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1162202364, now seen corresponding path program 15 times [2020-08-21 23:47:11,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:47:11,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999584061] [2020-08-21 23:47:11,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:47:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:12,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:47:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:12,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:47:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:12,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 23:47:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-21 23:47:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-21 23:47:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:13,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 23:47:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:14,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 31644 backedges. 1079 proven. 3945 refuted. 0 times theorem prover too weak. 26620 trivial. 0 not checked. [2020-08-21 23:47:15,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999584061] [2020-08-21 23:47:15,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:47:15,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 23:47:15,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598458296] [2020-08-21 23:47:15,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 23:47:15,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:47:15,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 23:47:15,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-21 23:47:15,115 INFO L87 Difference]: Start difference. First operand 630 states and 974 transitions. Second operand 18 states. [2020-08-21 23:47:15,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:47:15,959 INFO L93 Difference]: Finished difference Result 1269 states and 2019 transitions. [2020-08-21 23:47:15,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-21 23:47:15,963 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1035 [2020-08-21 23:47:15,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:47:15,972 INFO L225 Difference]: With dead ends: 1269 [2020-08-21 23:47:15,972 INFO L226 Difference]: Without dead ends: 665 [2020-08-21 23:47:15,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 23:47:15,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-08-21 23:47:16,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 639. [2020-08-21 23:47:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-08-21 23:47:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 950 transitions. [2020-08-21 23:47:16,032 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 950 transitions. Word has length 1035 [2020-08-21 23:47:16,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:47:16,032 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 950 transitions. [2020-08-21 23:47:16,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 23:47:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 950 transitions. [2020-08-21 23:47:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1499 [2020-08-21 23:47:16,068 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:47:16,069 INFO L422 BasicCegarLoop]: trace histogram [110, 110, 109, 109, 89, 88, 55, 55, 55, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 34, 34, 22, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:47:16,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-21 23:47:16,069 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:47:16,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:47:16,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1471629456, now seen corresponding path program 16 times [2020-08-21 23:47:16,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:47:16,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791561289] [2020-08-21 23:47:16,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:47:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:16,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:47:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:16,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 23:47:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:17,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 23:47:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 23:47:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 23:47:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:18,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 23:47:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 23:47:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 23:47:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 23:47:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:47:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 23:47:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 23:47:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 23:47:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:19,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:47:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 66932 backedges. 3323 proven. 6811 refuted. 0 times theorem prover too weak. 56798 trivial. 0 not checked. [2020-08-21 23:47:21,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791561289] [2020-08-21 23:47:21,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:47:21,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-08-21 23:47:21,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807654257] [2020-08-21 23:47:21,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-21 23:47:21,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:47:21,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-21 23:47:21,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2020-08-21 23:47:21,392 INFO L87 Difference]: Start difference. First operand 639 states and 950 transitions. Second operand 24 states. [2020-08-21 23:47:23,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:47:23,483 INFO L93 Difference]: Finished difference Result 1028 states and 1712 transitions. [2020-08-21 23:47:23,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-08-21 23:47:23,490 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1498 [2020-08-21 23:47:23,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:47:23,498 INFO L225 Difference]: With dead ends: 1028 [2020-08-21 23:47:23,498 INFO L226 Difference]: Without dead ends: 352 [2020-08-21 23:47:23,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1232 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=535, Invalid=3887, Unknown=0, NotChecked=0, Total=4422 [2020-08-21 23:47:23,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-08-21 23:47:23,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 292. [2020-08-21 23:47:23,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-08-21 23:47:23,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 417 transitions. [2020-08-21 23:47:23,526 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 417 transitions. Word has length 1498 [2020-08-21 23:47:23,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:47:23,526 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 417 transitions. [2020-08-21 23:47:23,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-21 23:47:23,527 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 417 transitions. [2020-08-21 23:47:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2316 [2020-08-21 23:47:23,577 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:47:23,578 INFO L422 BasicCegarLoop]: trace histogram [170, 170, 169, 169, 138, 136, 85, 85, 85, 85, 85, 85, 85, 84, 84, 84, 84, 84, 84, 84, 53, 52, 34, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:47:23,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-08-21 23:47:23,579 INFO L427 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:47:23,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:47:23,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1996005990, now seen corresponding path program 17 times [2020-08-21 23:47:23,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:47:23,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716072380] [2020-08-21 23:47:23,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:47:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:25,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:47:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:47:25,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5