/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=DEEPEST --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/Fibonacci03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:31:33,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 20:31:33,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 20:31:33,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 20:31:33,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:31:33,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:31:33,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:31:33,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:31:33,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:31:33,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:31:33,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:31:33,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:31:33,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:31:33,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:31:33,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:31:33,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:31:33,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:31:33,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:31:33,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:31:33,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:31:33,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:31:33,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:31:33,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:31:33,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:31:33,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 20:31:33,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 20:31:33,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 20:31:33,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 20:31:33,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 20:31:33,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 20:31:33,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 20:31:33,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 20:31:33,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 20:31:33,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 20:31:33,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 20:31:33,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 20:31:33,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 20:31:33,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 20:31:33,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:31:33,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:31:33,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:31:33,222 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 20:31:33,247 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:31:33,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:31:33,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:31:33,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:31:33,249 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:31:33,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:31:33,249 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:31:33,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:31:33,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:31:33,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:31:33,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:31:33,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:31:33,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:31:33,251 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:31:33,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:31:33,251 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:31:33,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:31:33,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:31:33,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:31:33,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:31:33,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:31:33,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:31:33,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:31:33,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:31:33,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:31:33,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:31:33,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:31:33,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:31:33,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:31:33,254 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=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:31:33,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:31:33,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:31:33,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:31:33,587 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:31:33,587 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:31:33,588 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci03.c [2020-08-21 20:31:33,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d62f3296/477c209cc653436d99d006c4aeab1e7c/FLAG34719a9c8 [2020-08-21 20:31:33,991 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:31:33,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci03.c [2020-08-21 20:31:33,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d62f3296/477c209cc653436d99d006c4aeab1e7c/FLAG34719a9c8 [2020-08-21 20:31:34,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d62f3296/477c209cc653436d99d006c4aeab1e7c [2020-08-21 20:31:34,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:31:34,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:31:34,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:31:34,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:31:34,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:31:34,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:31:34" (1/1) ... [2020-08-21 20:31:34,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e093328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34, skipping insertion in model container [2020-08-21 20:31:34,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:31:34" (1/1) ... [2020-08-21 20:31:34,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:31:34,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:31:34,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:31:34,592 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:31:34,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:31:34,627 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:31:34,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34 WrapperNode [2020-08-21 20:31:34,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:31:34,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:31:34,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:31:34,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:31:34,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34" (1/1) ... [2020-08-21 20:31:34,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34" (1/1) ... [2020-08-21 20:31:34,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34" (1/1) ... [2020-08-21 20:31:34,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34" (1/1) ... [2020-08-21 20:31:34,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34" (1/1) ... [2020-08-21 20:31:34,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34" (1/1) ... [2020-08-21 20:31:34,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34" (1/1) ... [2020-08-21 20:31:34,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:31:34,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:31:34,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:31:34,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:31:34,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34" (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 20:31:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:31:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:31:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-08-21 20:31:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:31:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:31:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:31:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-08-21 20:31:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:31:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:31:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:31:34,991 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:31:34,991 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 20:31:34,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:31:34 BoogieIcfgContainer [2020-08-21 20:31:34,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:31:34,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:31:34,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:31:34,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:31:34,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:31:34" (1/3) ... [2020-08-21 20:31:35,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2cf5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:31:35, skipping insertion in model container [2020-08-21 20:31:35,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:31:34" (2/3) ... [2020-08-21 20:31:35,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2cf5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:31:35, skipping insertion in model container [2020-08-21 20:31:35,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:31:34" (3/3) ... [2020-08-21 20:31:35,002 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci03.c [2020-08-21 20:31:35,013 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:31:35,020 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:31:35,034 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:31:35,059 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:31:35,059 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:31:35,059 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:31:35,060 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:31:35,060 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:31:35,060 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:31:35,060 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:31:35,060 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:31:35,078 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-21 20:31:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-21 20:31:35,084 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:35,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:35,086 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:35,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:35,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1900973920, now seen corresponding path program 1 times [2020-08-21 20:31:35,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:35,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203470163] [2020-08-21 20:31:35,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,312 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 20:31:35,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203470163] [2020-08-21 20:31:35,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:31:35,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 20:31:35,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863932785] [2020-08-21 20:31:35,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 20:31:35,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:35,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 20:31:35,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:31:35,347 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-08-21 20:31:35,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:35,458 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2020-08-21 20:31:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:31:35,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-21 20:31:35,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:35,471 INFO L225 Difference]: With dead ends: 36 [2020-08-21 20:31:35,471 INFO L226 Difference]: Without dead ends: 22 [2020-08-21 20:31:35,474 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 20:31:35,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-08-21 20:31:35,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-08-21 20:31:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-08-21 20:31:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-08-21 20:31:35,516 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 14 [2020-08-21 20:31:35,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:35,517 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-08-21 20:31:35,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 20:31:35,517 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-08-21 20:31:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-21 20:31:35,519 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:35,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:35,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:31:35,520 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:35,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:35,520 INFO L82 PathProgramCache]: Analyzing trace with hash -509871596, now seen corresponding path program 1 times [2020-08-21 20:31:35,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:35,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209228700] [2020-08-21 20:31:35,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,594 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 20:31:35,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209228700] [2020-08-21 20:31:35,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:31:35,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 20:31:35,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890599662] [2020-08-21 20:31:35,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 20:31:35,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:35,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 20:31:35,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:31:35,598 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 5 states. [2020-08-21 20:31:35,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:35,665 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2020-08-21 20:31:35,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:31:35,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-08-21 20:31:35,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:35,668 INFO L225 Difference]: With dead ends: 28 [2020-08-21 20:31:35,668 INFO L226 Difference]: Without dead ends: 24 [2020-08-21 20:31:35,669 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 20:31:35,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-08-21 20:31:35,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-08-21 20:31:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-08-21 20:31:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-08-21 20:31:35,677 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2020-08-21 20:31:35,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:35,678 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-08-21 20:31:35,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 20:31:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-08-21 20:31:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 20:31:35,679 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:35,680 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:35,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:31:35,680 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:35,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:35,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1203666899, now seen corresponding path program 1 times [2020-08-21 20:31:35,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:35,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350286008] [2020-08-21 20:31:35,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:31:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-21 20:31:35,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350286008] [2020-08-21 20:31:35,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:35,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 20:31:35,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957421124] [2020-08-21 20:31:35,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 20:31:35,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:35,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 20:31:35,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 20:31:35,844 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 6 states. [2020-08-21 20:31:35,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:35,973 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2020-08-21 20:31:35,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 20:31:35,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-21 20:31:35,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:35,977 INFO L225 Difference]: With dead ends: 39 [2020-08-21 20:31:35,977 INFO L226 Difference]: Without dead ends: 24 [2020-08-21 20:31:35,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:31:35,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-08-21 20:31:35,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-08-21 20:31:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-08-21 20:31:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-08-21 20:31:35,990 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 27 [2020-08-21 20:31:35,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:35,991 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-08-21 20:31:35,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 20:31:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-08-21 20:31:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-08-21 20:31:35,996 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:35,997 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:35,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:31:35,998 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:35,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:35,998 INFO L82 PathProgramCache]: Analyzing trace with hash -603082491, now seen corresponding path program 1 times [2020-08-21 20:31:35,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:35,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600924130] [2020-08-21 20:31:35,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 20:31:36,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600924130] [2020-08-21 20:31:36,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:36,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 20:31:36,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385149578] [2020-08-21 20:31:36,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 20:31:36,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:36,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 20:31:36,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 20:31:36,126 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 6 states. [2020-08-21 20:31:36,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:36,238 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2020-08-21 20:31:36,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:31:36,238 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-08-21 20:31:36,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:36,241 INFO L225 Difference]: With dead ends: 42 [2020-08-21 20:31:36,241 INFO L226 Difference]: Without dead ends: 38 [2020-08-21 20:31:36,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:31:36,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-08-21 20:31:36,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-08-21 20:31:36,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-08-21 20:31:36,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-08-21 20:31:36,253 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 28 [2020-08-21 20:31:36,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:36,254 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-08-21 20:31:36,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 20:31:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-08-21 20:31:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-21 20:31:36,256 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:36,256 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:36,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:31:36,257 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:36,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:36,257 INFO L82 PathProgramCache]: Analyzing trace with hash -2046185202, now seen corresponding path program 2 times [2020-08-21 20:31:36,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:36,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254491779] [2020-08-21 20:31:36,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-21 20:31:36,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254491779] [2020-08-21 20:31:36,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:36,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:31:36,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779903622] [2020-08-21 20:31:36,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:31:36,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:36,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:31:36,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:31:36,445 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 7 states. [2020-08-21 20:31:36,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:36,550 INFO L93 Difference]: Finished difference Result 77 states and 120 transitions. [2020-08-21 20:31:36,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:31:36,551 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-08-21 20:31:36,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:36,553 INFO L225 Difference]: With dead ends: 77 [2020-08-21 20:31:36,553 INFO L226 Difference]: Without dead ends: 46 [2020-08-21 20:31:36,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:31:36,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-08-21 20:31:36,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2020-08-21 20:31:36,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-08-21 20:31:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 55 transitions. [2020-08-21 20:31:36,565 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 55 transitions. Word has length 41 [2020-08-21 20:31:36,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:36,566 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 55 transitions. [2020-08-21 20:31:36,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:31:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2020-08-21 20:31:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-21 20:31:36,568 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:36,568 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:36,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:31:36,569 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:36,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:36,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1391487784, now seen corresponding path program 3 times [2020-08-21 20:31:36,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:36,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35223697] [2020-08-21 20:31:36,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-21 20:31:36,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35223697] [2020-08-21 20:31:36,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:36,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:31:36,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764804512] [2020-08-21 20:31:36,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:31:36,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:36,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:31:36,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:31:36,721 INFO L87 Difference]: Start difference. First operand 40 states and 55 transitions. Second operand 7 states. [2020-08-21 20:31:36,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:36,852 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-08-21 20:31:36,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 20:31:36,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-08-21 20:31:36,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:36,854 INFO L225 Difference]: With dead ends: 63 [2020-08-21 20:31:36,854 INFO L226 Difference]: Without dead ends: 59 [2020-08-21 20:31:36,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:31:36,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-08-21 20:31:36,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2020-08-21 20:31:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-08-21 20:31:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2020-08-21 20:31:36,869 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 42 [2020-08-21 20:31:36,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:36,869 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2020-08-21 20:31:36,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:31:36,870 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-08-21 20:31:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-08-21 20:31:36,874 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:36,874 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:36,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 20:31:36,874 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:36,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:36,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1611334083, now seen corresponding path program 4 times [2020-08-21 20:31:36,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:36,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046019445] [2020-08-21 20:31:36,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:36,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-08-21 20:31:37,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046019445] [2020-08-21 20:31:37,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:37,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 20:31:37,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924605508] [2020-08-21 20:31:37,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:31:37,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:37,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:31:37,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:31:37,101 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand 8 states. [2020-08-21 20:31:37,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:37,267 INFO L93 Difference]: Finished difference Result 98 states and 151 transitions. [2020-08-21 20:31:37,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 20:31:37,267 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-08-21 20:31:37,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:37,271 INFO L225 Difference]: With dead ends: 98 [2020-08-21 20:31:37,272 INFO L226 Difference]: Without dead ends: 94 [2020-08-21 20:31:37,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:31:37,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-21 20:31:37,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-21 20:31:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-21 20:31:37,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2020-08-21 20:31:37,292 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 83 [2020-08-21 20:31:37,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:37,293 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2020-08-21 20:31:37,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:31:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2020-08-21 20:31:37,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-08-21 20:31:37,301 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:37,302 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:37,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 20:31:37,302 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:37,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:37,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1072608948, now seen corresponding path program 5 times [2020-08-21 20:31:37,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:37,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638263778] [2020-08-21 20:31:37,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 249 proven. 381 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-08-21 20:31:37,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638263778] [2020-08-21 20:31:37,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:37,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 20:31:37,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107384090] [2020-08-21 20:31:37,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 20:31:37,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:37,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 20:31:37,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:31:37,701 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand 12 states. [2020-08-21 20:31:38,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:38,100 INFO L93 Difference]: Finished difference Result 154 states and 267 transitions. [2020-08-21 20:31:38,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 20:31:38,100 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2020-08-21 20:31:38,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:38,102 INFO L225 Difference]: With dead ends: 154 [2020-08-21 20:31:38,103 INFO L226 Difference]: Without dead ends: 72 [2020-08-21 20:31:38,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2020-08-21 20:31:38,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-08-21 20:31:38,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2020-08-21 20:31:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-08-21 20:31:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2020-08-21 20:31:38,115 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 151 [2020-08-21 20:31:38,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:38,116 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2020-08-21 20:31:38,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 20:31:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2020-08-21 20:31:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 20:31:38,117 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:38,118 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:38,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 20:31:38,118 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:38,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:38,119 INFO L82 PathProgramCache]: Analyzing trace with hash 946234379, now seen corresponding path program 6 times [2020-08-21 20:31:38,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:38,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1476568067] [2020-08-21 20:31:38,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-08-21 20:31:38,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1476568067] [2020-08-21 20:31:38,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:38,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 20:31:38,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675709473] [2020-08-21 20:31:38,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:31:38,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:38,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:31:38,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:31:38,350 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand 9 states. [2020-08-21 20:31:38,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:38,517 INFO L93 Difference]: Finished difference Result 69 states and 84 transitions. [2020-08-21 20:31:38,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 20:31:38,517 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-08-21 20:31:38,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:38,519 INFO L225 Difference]: With dead ends: 69 [2020-08-21 20:31:38,519 INFO L226 Difference]: Without dead ends: 65 [2020-08-21 20:31:38,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-08-21 20:31:38,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-08-21 20:31:38,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-08-21 20:31:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-08-21 20:31:38,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2020-08-21 20:31:38,528 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 110 [2020-08-21 20:31:38,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:38,528 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2020-08-21 20:31:38,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:31:38,529 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2020-08-21 20:31:38,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-08-21 20:31:38,530 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:38,531 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:38,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 20:31:38,531 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:38,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:38,531 INFO L82 PathProgramCache]: Analyzing trace with hash 375112636, now seen corresponding path program 7 times [2020-08-21 20:31:38,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:38,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11322944] [2020-08-21 20:31:38,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2020-08-21 20:31:38,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11322944] [2020-08-21 20:31:38,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:38,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 20:31:38,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831328282] [2020-08-21 20:31:38,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:31:38,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:38,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:31:38,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:31:38,927 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand 10 states. [2020-08-21 20:31:39,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:39,132 INFO L93 Difference]: Finished difference Result 181 states and 255 transitions. [2020-08-21 20:31:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 20:31:39,133 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-08-21 20:31:39,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:39,136 INFO L225 Difference]: With dead ends: 181 [2020-08-21 20:31:39,136 INFO L226 Difference]: Without dead ends: 177 [2020-08-21 20:31:39,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-08-21 20:31:39,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-08-21 20:31:39,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 165. [2020-08-21 20:31:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-21 20:31:39,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 234 transitions. [2020-08-21 20:31:39,162 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 234 transitions. Word has length 178 [2020-08-21 20:31:39,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:39,165 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 234 transitions. [2020-08-21 20:31:39,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:31:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 234 transitions. [2020-08-21 20:31:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-08-21 20:31:39,173 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:39,173 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:39,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 20:31:39,174 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:39,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:39,174 INFO L82 PathProgramCache]: Analyzing trace with hash 39069676, now seen corresponding path program 8 times [2020-08-21 20:31:39,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:39,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088179889] [2020-08-21 20:31:39,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:39,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2020-08-21 20:31:40,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088179889] [2020-08-21 20:31:40,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:40,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 20:31:40,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291005384] [2020-08-21 20:31:40,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 20:31:40,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:40,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 20:31:40,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-21 20:31:40,009 INFO L87 Difference]: Start difference. First operand 165 states and 234 transitions. Second operand 11 states. [2020-08-21 20:31:40,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:40,260 INFO L93 Difference]: Finished difference Result 411 states and 641 transitions. [2020-08-21 20:31:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 20:31:40,260 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 287 [2020-08-21 20:31:40,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:40,266 INFO L225 Difference]: With dead ends: 411 [2020-08-21 20:31:40,266 INFO L226 Difference]: Without dead ends: 407 [2020-08-21 20:31:40,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2020-08-21 20:31:40,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-08-21 20:31:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 392. [2020-08-21 20:31:40,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-08-21 20:31:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 616 transitions. [2020-08-21 20:31:40,306 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 616 transitions. Word has length 287 [2020-08-21 20:31:40,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:40,307 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 616 transitions. [2020-08-21 20:31:40,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 20:31:40,307 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 616 transitions. [2020-08-21 20:31:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-08-21 20:31:40,318 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:40,318 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:40,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 20:31:40,318 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:40,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:40,319 INFO L82 PathProgramCache]: Analyzing trace with hash 826091136, now seen corresponding path program 9 times [2020-08-21 20:31:40,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:40,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144767304] [2020-08-21 20:31:40,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:40,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:31:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:41,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:42,279 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2940 proven. 2962 refuted. 0 times theorem prover too weak. 10505 trivial. 0 not checked. [2020-08-21 20:31:42,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144767304] [2020-08-21 20:31:42,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:42,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 20:31:42,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894551181] [2020-08-21 20:31:42,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 20:31:42,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:42,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 20:31:42,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-08-21 20:31:42,284 INFO L87 Difference]: Start difference. First operand 392 states and 616 transitions. Second operand 18 states. [2020-08-21 20:31:43,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:43,178 INFO L93 Difference]: Finished difference Result 532 states and 943 transitions. [2020-08-21 20:31:43,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-08-21 20:31:43,179 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 532 [2020-08-21 20:31:43,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:43,183 INFO L225 Difference]: With dead ends: 532 [2020-08-21 20:31:43,183 INFO L226 Difference]: Without dead ends: 149 [2020-08-21 20:31:43,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=423, Invalid=1647, Unknown=0, NotChecked=0, Total=2070 [2020-08-21 20:31:43,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-08-21 20:31:43,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 113. [2020-08-21 20:31:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-21 20:31:43,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2020-08-21 20:31:43,195 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 157 transitions. Word has length 532 [2020-08-21 20:31:43,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:43,196 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 157 transitions. [2020-08-21 20:31:43,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 20:31:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2020-08-21 20:31:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2020-08-21 20:31:43,205 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:43,205 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:43,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-21 20:31:43,206 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:43,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:43,206 INFO L82 PathProgramCache]: Analyzing trace with hash -211711407, now seen corresponding path program 10 times [2020-08-21 20:31:43,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:43,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499662625] [2020-08-21 20:31:43,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:43,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:31:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:44,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2020-08-21 20:31:44,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499662625] [2020-08-21 20:31:44,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:44,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 20:31:44,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248019111] [2020-08-21 20:31:44,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 20:31:44,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:44,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 20:31:44,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:31:44,615 INFO L87 Difference]: Start difference. First operand 113 states and 157 transitions. Second operand 12 states. [2020-08-21 20:31:44,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:44,899 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2020-08-21 20:31:44,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 20:31:44,900 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 464 [2020-08-21 20:31:44,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:44,902 INFO L225 Difference]: With dead ends: 120 [2020-08-21 20:31:44,902 INFO L226 Difference]: Without dead ends: 116 [2020-08-21 20:31:44,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=243, Unknown=0, NotChecked=0, Total=380 [2020-08-21 20:31:44,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-21 20:31:44,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-08-21 20:31:44,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-08-21 20:31:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2020-08-21 20:31:44,917 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 164 transitions. Word has length 464 [2020-08-21 20:31:44,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:44,922 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 164 transitions. [2020-08-21 20:31:44,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 20:31:44,922 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2020-08-21 20:31:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2020-08-21 20:31:44,932 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:44,933 INFO L422 BasicCegarLoop]: trace histogram [151, 151, 122, 75, 75, 75, 75, 75, 75, 75, 47, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:44,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-21 20:31:44,933 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:44,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:44,934 INFO L82 PathProgramCache]: Analyzing trace with hash 405953011, now seen corresponding path program 11 times [2020-08-21 20:31:44,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:44,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879099317] [2020-08-21 20:31:44,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:45,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:46,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:31:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 20:31:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:47,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:31:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-21 20:31:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:48,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 63781 backedges. 4264 proven. 7122 refuted. 0 times theorem prover too weak. 52395 trivial. 0 not checked. [2020-08-21 20:31:50,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879099317] [2020-08-21 20:31:50,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:50,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-21 20:31:50,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729751053] [2020-08-21 20:31:50,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-21 20:31:50,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:50,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-21 20:31:50,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2020-08-21 20:31:50,524 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. Second operand 19 states. [2020-08-21 20:31:51,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:51,536 INFO L93 Difference]: Finished difference Result 269 states and 443 transitions. [2020-08-21 20:31:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-21 20:31:51,537 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1036 [2020-08-21 20:31:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:51,540 INFO L225 Difference]: With dead ends: 269 [2020-08-21 20:31:51,540 INFO L226 Difference]: Without dead ends: 162 [2020-08-21 20:31:51,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=597, Invalid=2373, Unknown=0, NotChecked=0, Total=2970 [2020-08-21 20:31:51,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-08-21 20:31:51,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2020-08-21 20:31:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-08-21 20:31:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 190 transitions. [2020-08-21 20:31:51,554 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 190 transitions. Word has length 1036 [2020-08-21 20:31:51,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:51,555 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 190 transitions. [2020-08-21 20:31:51,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-21 20:31:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 190 transitions. [2020-08-21 20:31:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2020-08-21 20:31:51,561 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:31:51,561 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:31:51,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-21 20:31:51,562 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:31:51,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:31:51,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1020040988, now seen corresponding path program 12 times [2020-08-21 20:31:51,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:31:51,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272479083] [2020-08-21 20:31:51,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:31:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:31:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:31:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:52,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:31:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 20:31:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:31:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:31:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:31:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:31:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:31:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:31:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:54,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:31:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:31:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 5957 proven. 4942 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-08-21 20:31:55,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272479083] [2020-08-21 20:31:55,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:31:55,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-08-21 20:31:55,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388127631] [2020-08-21 20:31:55,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-08-21 20:31:55,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:31:55,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-08-21 20:31:55,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2020-08-21 20:31:55,279 INFO L87 Difference]: Start difference. First operand 138 states and 190 transitions. Second operand 28 states. [2020-08-21 20:31:55,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:31:55,635 INFO L93 Difference]: Finished difference Result 139 states and 191 transitions. [2020-08-21 20:31:55,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-21 20:31:55,636 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 750 [2020-08-21 20:31:55,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:31:55,637 INFO L225 Difference]: With dead ends: 139 [2020-08-21 20:31:55,637 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:31:55,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=271, Invalid=1061, Unknown=0, NotChecked=0, Total=1332 [2020-08-21 20:31:55,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:31:55,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:31:55,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:31:55,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:31:55,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 750 [2020-08-21 20:31:55,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:31:55,641 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:31:55,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-08-21 20:31:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:31:55,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:31:55,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-21 20:31:55,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:31:56,038 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 6 [2020-08-21 20:31:56,440 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2020-08-21 20:31:56,444 INFO L268 CegarLoopResult]: For program point fibonacciFINAL(lines 14 22) no Hoare annotation was computed. [2020-08-21 20:31:56,444 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-08-21 20:31:56,444 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-08-21 20:31:56,444 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-08-21 20:31:56,445 INFO L264 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: (let ((.cse2 (<= 1 |fibonacci_#t~ret0|)) (.cse0 (= fibonacci_~n |fibonacci_#in~n|)) (.cse1 (<= 7 fibonacci_~n))) (or (and (<= |fibonacci_#in~n| 8) .cse0 .cse1 (<= 13 |fibonacci_#t~ret0|)) (and (<= |fibonacci_#in~n| 2) .cse2 .cse0 (<= 2 |fibonacci_#in~n|)) (and (<= |fibonacci_#in~n| 6) (<= 5 |fibonacci_#t~ret0|) .cse0 (<= 6 |fibonacci_#in~n|)) (and (<= 21 |fibonacci_#t~ret0|) (<= 8 |fibonacci_#in~n|) .cse0) (and (<= 4 |fibonacci_#in~n|) .cse0 (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 4)) (and (<= 5 |fibonacci_#in~n|) .cse0 (<= 3 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 5)) (and .cse2 (<= |fibonacci_#in~n| 3) .cse0 (<= 3 |fibonacci_#in~n|)) (and .cse0 .cse1 (<= 8 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 7)))) [2020-08-21 20:31:56,445 INFO L268 CegarLoopResult]: For program point fibonacciEXIT(lines 14 22) no Hoare annotation was computed. [2020-08-21 20:31:56,445 INFO L268 CegarLoopResult]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-08-21 20:31:56,445 INFO L268 CegarLoopResult]: For program point L20-3(line 20) no Hoare annotation was computed. [2020-08-21 20:31:56,445 INFO L268 CegarLoopResult]: For program point L15(lines 15 21) no Hoare annotation was computed. [2020-08-21 20:31:56,445 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-21 20:31:56,445 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:31:56,446 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:31:56,446 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-21 20:31:56,446 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:31:56,446 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:31:56,446 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2020-08-21 20:31:56,446 INFO L268 CegarLoopResult]: For program point L31(lines 31 35) no Hoare annotation was computed. [2020-08-21 20:31:56,446 INFO L271 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-08-21 20:31:56,447 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 36) the Hoare annotation is: true [2020-08-21 20:31:56,448 INFO L268 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed. [2020-08-21 20:31:56,448 INFO L268 CegarLoopResult]: For program point L27(lines 27 29) no Hoare annotation was computed. [2020-08-21 20:31:56,448 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 25 36) no Hoare annotation was computed. [2020-08-21 20:31:56,448 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 25 36) no Hoare annotation was computed. [2020-08-21 20:31:56,449 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 20:31:56,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:31:56 BoogieIcfgContainer [2020-08-21 20:31:56,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:31:56,467 INFO L168 Benchmark]: Toolchain (without parser) took 22074.77 ms. Allocated memory was 139.5 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 103.1 MB in the beginning and 211.8 MB in the end (delta: -108.7 MB). Peak memory consumption was 999.6 MB. Max. memory is 7.1 GB. [2020-08-21 20:31:56,467 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 20:31:56,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.03 ms. Allocated memory is still 139.5 MB. Free memory was 102.7 MB in the beginning and 93.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-08-21 20:31:56,468 INFO L168 Benchmark]: Boogie Preprocessor took 39.14 ms. Allocated memory is still 139.5 MB. Free memory was 93.4 MB in the beginning and 91.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-08-21 20:31:56,469 INFO L168 Benchmark]: RCFGBuilder took 326.93 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 91.9 MB in the beginning and 168.9 MB in the end (delta: -76.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-08-21 20:31:56,470 INFO L168 Benchmark]: TraceAbstraction took 21468.94 ms. Allocated memory was 201.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 168.9 MB in the beginning and 211.8 MB in the end (delta: -42.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-08-21 20:31:56,473 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.03 ms. Allocated memory is still 139.5 MB. Free memory was 102.7 MB in the beginning and 93.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.14 ms. Allocated memory is still 139.5 MB. Free memory was 93.4 MB in the beginning and 91.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.93 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 91.9 MB in the beginning and 168.9 MB in the end (delta: -76.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21468.94 ms. Allocated memory was 201.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 168.9 MB in the beginning and 211.8 MB in the end (delta: -42.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.5s, OverallIterations: 15, TraceHistogramMax: 151, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 372 SDtfs, 807 SDslu, 1290 SDs, 0 SdLazy, 2173 SolverSat, 734 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1592 GetRequests, 1328 SyntacticMatches, 0 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1684 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 114 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 467 PreInvPairs, 563 NumberOfFragments, 115 HoareAnnotationTreeSize, 467 FomulaSimplifications, 769 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 8 FomulaSimplificationsInter, 2799 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 3758 NumberOfCodeBlocks, 3758 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3743 ConstructedInterpolants, 0 QuantifiedInterpolants, 3447323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 114301/134037 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...