/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Fibonacci03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 21:47:55,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 21:47:55,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 21:47:55,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 21:47:55,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 21:47:55,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 21:47:55,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 21:47:55,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 21:47:55,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 21:47:55,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 21:47:55,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 21:47:55,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 21:47:55,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 21:47:55,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 21:47:55,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 21:47:55,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 21:47:55,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 21:47:55,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 21:47:55,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 21:47:55,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 21:47:55,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 21:47:55,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 21:47:55,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 21:47:55,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 21:47:55,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-27 21:47:55,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-27 21:47:55,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-27 21:47:55,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-27 21:47:55,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-27 21:47:55,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-08-27 21:47:55,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 21:47:55,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 21:47:55,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 21:47:55,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-27 21:47:55,265 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 21:47:55,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 21:47:55,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 21:47:55,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 21:47:55,268 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 21:47:55,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 21:47:55,269 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-27 21:47:55,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 21:47:55,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-27 21:47:55,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 21:47:55,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 21:47:55,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 21:47:55,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 21:47:55,272 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-27 21:47:55,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 21:47:55,272 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 21:47:55,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 21:47:55,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 21:47:55,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 21:47:55,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 21:47:55,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 21:47:55,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 21:47:55,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 21:47:55,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 21:47:55,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 21:47:55,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 21:47:55,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 21:47:55,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 21:47:55,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 21:47:55,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-27 21:47:55,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 21:47:55,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 21:47:55,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 21:47:55,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 21:47:55,773 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 21:47:55,774 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci03.c [2020-08-27 21:47:55,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e081d0c15/102010180d784a248d1f0ca52af581cb/FLAG5122ccb09 [2020-08-27 21:47:56,470 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 21:47:56,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci03.c [2020-08-27 21:47:56,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e081d0c15/102010180d784a248d1f0ca52af581cb/FLAG5122ccb09 [2020-08-27 21:47:56,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e081d0c15/102010180d784a248d1f0ca52af581cb [2020-08-27 21:47:56,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 21:47:56,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 21:47:56,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 21:47:56,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 21:47:56,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 21:47:56,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:47:56" (1/1) ... [2020-08-27 21:47:56,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbac012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:56, skipping insertion in model container [2020-08-27 21:47:56,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:47:56" (1/1) ... [2020-08-27 21:47:56,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 21:47:56,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 21:47:57,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:47:57,181 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 21:47:57,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:47:57,225 INFO L208 MainTranslator]: Completed translation [2020-08-27 21:47:57,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:57 WrapperNode [2020-08-27 21:47:57,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 21:47:57,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 21:47:57,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 21:47:57,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 21:47:57,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:57" (1/1) ... [2020-08-27 21:47:57,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:57" (1/1) ... [2020-08-27 21:47:57,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:57" (1/1) ... [2020-08-27 21:47:57,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:57" (1/1) ... [2020-08-27 21:47:57,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:57" (1/1) ... [2020-08-27 21:47:57,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:57" (1/1) ... [2020-08-27 21:47:57,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:57" (1/1) ... [2020-08-27 21:47:57,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 21:47:57,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 21:47:57,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 21:47:57,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 21:47:57,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 21:47:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 21:47:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 21:47:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-08-27 21:47:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 21:47:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 21:47:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 21:47:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-08-27 21:47:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 21:47:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 21:47:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 21:47:57,627 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 21:47:57,628 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-27 21:47:57,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:47:57 BoogieIcfgContainer [2020-08-27 21:47:57,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 21:47:57,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 21:47:57,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 21:47:57,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 21:47:57,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 09:47:56" (1/3) ... [2020-08-27 21:47:57,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7a3361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:47:57, skipping insertion in model container [2020-08-27 21:47:57,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:47:57" (2/3) ... [2020-08-27 21:47:57,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7a3361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:47:57, skipping insertion in model container [2020-08-27 21:47:57,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:47:57" (3/3) ... [2020-08-27 21:47:57,643 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci03.c [2020-08-27 21:47:57,656 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 21:47:57,667 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 21:47:57,696 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 21:47:57,733 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 21:47:57,734 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 21:47:57,734 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 21:47:57,734 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 21:47:57,734 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 21:47:57,735 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 21:47:57,735 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 21:47:57,735 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 21:47:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-27 21:47:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-27 21:47:57,780 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:47:57,781 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:47:57,782 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:47:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:47:57,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1900973920, now seen corresponding path program 1 times [2020-08-27 21:47:57,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:47:57,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326280931] [2020-08-27 21:47:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:47:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:57,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:47:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:57,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:47:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:47:58,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326280931] [2020-08-27 21:47:58,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:47:58,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-27 21:47:58,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094975376] [2020-08-27 21:47:58,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:47:58,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:47:58,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:47:58,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:47:58,105 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-08-27 21:47:58,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:47:58,229 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2020-08-27 21:47:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:47:58,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-27 21:47:58,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:47:58,245 INFO L225 Difference]: With dead ends: 36 [2020-08-27 21:47:58,245 INFO L226 Difference]: Without dead ends: 22 [2020-08-27 21:47:58,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:47:58,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-08-27 21:47:58,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-08-27 21:47:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-08-27 21:47:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-08-27 21:47:58,309 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 14 [2020-08-27 21:47:58,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:47:58,310 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-08-27 21:47:58,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:47:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-08-27 21:47:58,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-27 21:47:58,313 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:47:58,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:47:58,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 21:47:58,314 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:47:58,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:47:58,314 INFO L82 PathProgramCache]: Analyzing trace with hash -509871596, now seen corresponding path program 1 times [2020-08-27 21:47:58,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:47:58,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725605705] [2020-08-27 21:47:58,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:47:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:47:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:47:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:47:58,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725605705] [2020-08-27 21:47:58,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:47:58,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-27 21:47:58,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983548524] [2020-08-27 21:47:58,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:47:58,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:47:58,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:47:58,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:47:58,404 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 5 states. [2020-08-27 21:47:58,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:47:58,519 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2020-08-27 21:47:58,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:47:58,520 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-08-27 21:47:58,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:47:58,522 INFO L225 Difference]: With dead ends: 28 [2020-08-27 21:47:58,522 INFO L226 Difference]: Without dead ends: 24 [2020-08-27 21:47:58,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:47:58,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-08-27 21:47:58,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-08-27 21:47:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-08-27 21:47:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-08-27 21:47:58,544 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2020-08-27 21:47:58,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:47:58,546 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-08-27 21:47:58,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:47:58,547 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-08-27 21:47:58,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-27 21:47:58,552 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:47:58,552 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] [2020-08-27 21:47:58,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-27 21:47:58,553 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:47:58,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:47:58,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1203666899, now seen corresponding path program 1 times [2020-08-27 21:47:58,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:47:58,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639834297] [2020-08-27 21:47:58,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:47:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:47:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:47:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:47:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-27 21:47:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-27 21:47:58,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639834297] [2020-08-27 21:47:58,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:47:58,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-27 21:47:58,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442791471] [2020-08-27 21:47:58,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-27 21:47:58,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:47:58,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-27 21:47:58,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:47:58,708 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 6 states. [2020-08-27 21:47:58,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:47:58,799 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2020-08-27 21:47:58,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-27 21:47:58,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-27 21:47:58,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:47:58,801 INFO L225 Difference]: With dead ends: 39 [2020-08-27 21:47:58,801 INFO L226 Difference]: Without dead ends: 24 [2020-08-27 21:47:58,802 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 [2020-08-27 21:47:58,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-08-27 21:47:58,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-08-27 21:47:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-08-27 21:47:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-08-27 21:47:58,811 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 27 [2020-08-27 21:47:58,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:47:58,811 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-08-27 21:47:58,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-27 21:47:58,812 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-08-27 21:47:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-08-27 21:47:58,813 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:47:58,814 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] [2020-08-27 21:47:58,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-27 21:47:58,814 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:47:58,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:47:58,815 INFO L82 PathProgramCache]: Analyzing trace with hash -603082491, now seen corresponding path program 1 times [2020-08-27 21:47:58,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:47:58,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139052117] [2020-08-27 21:47:58,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:47:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:47:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:47:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:47:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:47:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-27 21:47:58,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139052117] [2020-08-27 21:47:58,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:47:58,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-27 21:47:59,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037005682] [2020-08-27 21:47:59,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-27 21:47:59,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:47:59,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-27 21:47:59,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:47:59,004 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 6 states. [2020-08-27 21:47:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:47:59,149 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2020-08-27 21:47:59,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-27 21:47:59,150 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-08-27 21:47:59,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:47:59,152 INFO L225 Difference]: With dead ends: 42 [2020-08-27 21:47:59,153 INFO L226 Difference]: Without dead ends: 38 [2020-08-27 21:47:59,154 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 [2020-08-27 21:47:59,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-08-27 21:47:59,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-08-27 21:47:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-08-27 21:47:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-08-27 21:47:59,165 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 28 [2020-08-27 21:47:59,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:47:59,166 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-08-27 21:47:59,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-27 21:47:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-08-27 21:47:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-27 21:47:59,171 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:47:59,171 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] [2020-08-27 21:47:59,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-27 21:47:59,172 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:47:59,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:47:59,172 INFO L82 PathProgramCache]: Analyzing trace with hash -2046185202, now seen corresponding path program 2 times [2020-08-27 21:47:59,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:47:59,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571567306] [2020-08-27 21:47:59,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:47:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:47:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:47:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:47:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:47:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:47:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:47:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-27 21:47:59,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571567306] [2020-08-27 21:47:59,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:47:59,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-27 21:47:59,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988530558] [2020-08-27 21:47:59,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-27 21:47:59,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:47:59,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-27 21:47:59,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-27 21:47:59,319 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 7 states. [2020-08-27 21:47:59,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:47:59,432 INFO L93 Difference]: Finished difference Result 77 states and 120 transitions. [2020-08-27 21:47:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-27 21:47:59,433 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-08-27 21:47:59,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:47:59,435 INFO L225 Difference]: With dead ends: 77 [2020-08-27 21:47:59,435 INFO L226 Difference]: Without dead ends: 46 [2020-08-27 21:47:59,436 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 [2020-08-27 21:47:59,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-08-27 21:47:59,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2020-08-27 21:47:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-08-27 21:47:59,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 55 transitions. [2020-08-27 21:47:59,447 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 55 transitions. Word has length 41 [2020-08-27 21:47:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:47:59,448 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 55 transitions. [2020-08-27 21:47:59,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-27 21:47:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2020-08-27 21:47:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-27 21:47:59,450 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:47:59,451 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] [2020-08-27 21:47:59,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-27 21:47:59,451 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:47:59,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:47:59,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1391487784, now seen corresponding path program 3 times [2020-08-27 21:47:59,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:47:59,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956001473] [2020-08-27 21:47:59,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:47:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:47:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:47:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:47:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:47:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:47:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:47:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-27 21:47:59,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956001473] [2020-08-27 21:47:59,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:47:59,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-27 21:47:59,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312305451] [2020-08-27 21:47:59,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-27 21:47:59,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:47:59,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-27 21:47:59,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-27 21:47:59,614 INFO L87 Difference]: Start difference. First operand 40 states and 55 transitions. Second operand 7 states. [2020-08-27 21:47:59,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:47:59,726 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-08-27 21:47:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-27 21:47:59,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-08-27 21:47:59,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:47:59,729 INFO L225 Difference]: With dead ends: 63 [2020-08-27 21:47:59,729 INFO L226 Difference]: Without dead ends: 59 [2020-08-27 21:47:59,730 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 [2020-08-27 21:47:59,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-08-27 21:47:59,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2020-08-27 21:47:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-08-27 21:47:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2020-08-27 21:47:59,744 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 42 [2020-08-27 21:47:59,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:47:59,745 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2020-08-27 21:47:59,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-27 21:47:59,745 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-08-27 21:47:59,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-08-27 21:47:59,749 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:47:59,749 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] [2020-08-27 21:47:59,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-27 21:47:59,750 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:47:59,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:47:59,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1611334083, now seen corresponding path program 4 times [2020-08-27 21:47:59,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:47:59,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502012310] [2020-08-27 21:47:59,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:47:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:47:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:47:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:47:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:47:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:47:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:47:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:47:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:47:59,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:47:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-08-27 21:48:00,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502012310] [2020-08-27 21:48:00,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:00,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-27 21:48:00,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887192556] [2020-08-27 21:48:00,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-27 21:48:00,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:00,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-27 21:48:00,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:48:00,050 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand 8 states. [2020-08-27 21:48:00,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:00,232 INFO L93 Difference]: Finished difference Result 98 states and 151 transitions. [2020-08-27 21:48:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-27 21:48:00,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-08-27 21:48:00,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:00,246 INFO L225 Difference]: With dead ends: 98 [2020-08-27 21:48:00,246 INFO L226 Difference]: Without dead ends: 94 [2020-08-27 21:48:00,247 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 [2020-08-27 21:48:00,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-27 21:48:00,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-27 21:48:00,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-27 21:48:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2020-08-27 21:48:00,294 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 83 [2020-08-27 21:48:00,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:00,299 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2020-08-27 21:48:00,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-27 21:48:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2020-08-27 21:48:00,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-08-27 21:48:00,313 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:00,314 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] [2020-08-27 21:48:00,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-27 21:48:00,315 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:00,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:00,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1072608948, now seen corresponding path program 5 times [2020-08-27 21:48:00,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:00,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057328165] [2020-08-27 21:48:00,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:48:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:00,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 249 proven. 381 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-08-27 21:48:00,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057328165] [2020-08-27 21:48:00,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:00,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-27 21:48:00,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266991437] [2020-08-27 21:48:00,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-27 21:48:00,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:00,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-27 21:48:00,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-08-27 21:48:00,863 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand 12 states. [2020-08-27 21:48:01,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:01,282 INFO L93 Difference]: Finished difference Result 154 states and 267 transitions. [2020-08-27 21:48:01,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-27 21:48:01,283 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2020-08-27 21:48:01,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:01,285 INFO L225 Difference]: With dead ends: 154 [2020-08-27 21:48:01,285 INFO L226 Difference]: Without dead ends: 72 [2020-08-27 21:48:01,288 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 [2020-08-27 21:48:01,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-08-27 21:48:01,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2020-08-27 21:48:01,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-08-27 21:48:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2020-08-27 21:48:01,298 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 151 [2020-08-27 21:48:01,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:01,299 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2020-08-27 21:48:01,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-27 21:48:01,299 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2020-08-27 21:48:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-27 21:48:01,300 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:01,301 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] [2020-08-27 21:48:01,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-27 21:48:01,301 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:01,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:01,302 INFO L82 PathProgramCache]: Analyzing trace with hash 946234379, now seen corresponding path program 6 times [2020-08-27 21:48:01,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:01,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608096135] [2020-08-27 21:48:01,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:48:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-08-27 21:48:01,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608096135] [2020-08-27 21:48:01,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:01,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-27 21:48:01,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803907055] [2020-08-27 21:48:01,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-27 21:48:01,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:01,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-27 21:48:01,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-08-27 21:48:01,606 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand 9 states. [2020-08-27 21:48:01,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:01,786 INFO L93 Difference]: Finished difference Result 69 states and 84 transitions. [2020-08-27 21:48:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-27 21:48:01,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-08-27 21:48:01,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:01,789 INFO L225 Difference]: With dead ends: 69 [2020-08-27 21:48:01,789 INFO L226 Difference]: Without dead ends: 65 [2020-08-27 21:48:01,791 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 [2020-08-27 21:48:01,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-08-27 21:48:01,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-08-27 21:48:01,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-08-27 21:48:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2020-08-27 21:48:01,810 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 110 [2020-08-27 21:48:01,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:01,815 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2020-08-27 21:48:01,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-27 21:48:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2020-08-27 21:48:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-08-27 21:48:01,821 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:01,821 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] [2020-08-27 21:48:01,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-27 21:48:01,824 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:01,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:01,827 INFO L82 PathProgramCache]: Analyzing trace with hash 375112636, now seen corresponding path program 7 times [2020-08-27 21:48:01,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:01,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824882039] [2020-08-27 21:48:01,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:01,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:48:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2020-08-27 21:48:02,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824882039] [2020-08-27 21:48:02,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:02,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-27 21:48:02,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353287726] [2020-08-27 21:48:02,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-27 21:48:02,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:02,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-27 21:48:02,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-27 21:48:02,387 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand 10 states. [2020-08-27 21:48:02,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:02,626 INFO L93 Difference]: Finished difference Result 181 states and 255 transitions. [2020-08-27 21:48:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-27 21:48:02,627 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-08-27 21:48:02,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:02,631 INFO L225 Difference]: With dead ends: 181 [2020-08-27 21:48:02,631 INFO L226 Difference]: Without dead ends: 177 [2020-08-27 21:48:02,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-08-27 21:48:02,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-08-27 21:48:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 165. [2020-08-27 21:48:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-27 21:48:02,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 234 transitions. [2020-08-27 21:48:02,678 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 234 transitions. Word has length 178 [2020-08-27 21:48:02,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:02,680 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 234 transitions. [2020-08-27 21:48:02,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-27 21:48:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 234 transitions. [2020-08-27 21:48:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-08-27 21:48:02,686 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:02,686 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] [2020-08-27 21:48:02,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-27 21:48:02,686 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:02,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:02,687 INFO L82 PathProgramCache]: Analyzing trace with hash 39069676, now seen corresponding path program 8 times [2020-08-27 21:48:02,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:02,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145360894] [2020-08-27 21:48:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:02,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:48:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2020-08-27 21:48:03,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145360894] [2020-08-27 21:48:03,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:03,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-27 21:48:03,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138523822] [2020-08-27 21:48:03,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-27 21:48:03,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:03,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-27 21:48:03,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-27 21:48:03,735 INFO L87 Difference]: Start difference. First operand 165 states and 234 transitions. Second operand 11 states. [2020-08-27 21:48:04,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:04,053 INFO L93 Difference]: Finished difference Result 411 states and 641 transitions. [2020-08-27 21:48:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-27 21:48:04,054 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 287 [2020-08-27 21:48:04,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:04,064 INFO L225 Difference]: With dead ends: 411 [2020-08-27 21:48:04,064 INFO L226 Difference]: Without dead ends: 407 [2020-08-27 21:48:04,065 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 [2020-08-27 21:48:04,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-08-27 21:48:04,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 392. [2020-08-27 21:48:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-08-27 21:48:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 616 transitions. [2020-08-27 21:48:04,125 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 616 transitions. Word has length 287 [2020-08-27 21:48:04,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:04,127 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 616 transitions. [2020-08-27 21:48:04,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-27 21:48:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 616 transitions. [2020-08-27 21:48:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-08-27 21:48:04,150 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:04,150 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] [2020-08-27 21:48:04,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-27 21:48:04,150 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:04,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:04,151 INFO L82 PathProgramCache]: Analyzing trace with hash 826091136, now seen corresponding path program 9 times [2020-08-27 21:48:04,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:04,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614705035] [2020-08-27 21:48:04,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:04,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:04,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:48:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:04,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:04,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:48:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:05,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2940 proven. 2962 refuted. 0 times theorem prover too weak. 10505 trivial. 0 not checked. [2020-08-27 21:48:06,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614705035] [2020-08-27 21:48:06,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:06,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-27 21:48:06,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95611269] [2020-08-27 21:48:06,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-27 21:48:06,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:06,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-27 21:48:06,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-08-27 21:48:06,587 INFO L87 Difference]: Start difference. First operand 392 states and 616 transitions. Second operand 18 states. [2020-08-27 21:48:07,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:07,646 INFO L93 Difference]: Finished difference Result 532 states and 943 transitions. [2020-08-27 21:48:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-08-27 21:48:07,647 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 532 [2020-08-27 21:48:07,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:07,654 INFO L225 Difference]: With dead ends: 532 [2020-08-27 21:48:07,655 INFO L226 Difference]: Without dead ends: 149 [2020-08-27 21:48:07,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=423, Invalid=1647, Unknown=0, NotChecked=0, Total=2070 [2020-08-27 21:48:07,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-08-27 21:48:07,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 113. [2020-08-27 21:48:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-27 21:48:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2020-08-27 21:48:07,679 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 157 transitions. Word has length 532 [2020-08-27 21:48:07,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:07,681 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 157 transitions. [2020-08-27 21:48:07,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-27 21:48:07,681 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2020-08-27 21:48:07,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2020-08-27 21:48:07,691 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:07,691 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] [2020-08-27 21:48:07,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-27 21:48:07,692 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:07,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:07,693 INFO L82 PathProgramCache]: Analyzing trace with hash -211711407, now seen corresponding path program 10 times [2020-08-27 21:48:07,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:07,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943812343] [2020-08-27 21:48:07,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:48:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:08,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:48:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2020-08-27 21:48:09,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943812343] [2020-08-27 21:48:09,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:09,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-27 21:48:09,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758923523] [2020-08-27 21:48:09,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-27 21:48:09,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:09,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-27 21:48:09,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-08-27 21:48:09,767 INFO L87 Difference]: Start difference. First operand 113 states and 157 transitions. Second operand 12 states. [2020-08-27 21:48:10,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:10,025 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2020-08-27 21:48:10,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-27 21:48:10,026 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 464 [2020-08-27 21:48:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:10,029 INFO L225 Difference]: With dead ends: 120 [2020-08-27 21:48:10,029 INFO L226 Difference]: Without dead ends: 116 [2020-08-27 21:48:10,030 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 [2020-08-27 21:48:10,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-27 21:48:10,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-08-27 21:48:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-08-27 21:48:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2020-08-27 21:48:10,040 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 164 transitions. Word has length 464 [2020-08-27 21:48:10,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:10,042 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 164 transitions. [2020-08-27 21:48:10,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-27 21:48:10,043 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2020-08-27 21:48:10,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2020-08-27 21:48:10,053 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:10,054 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] [2020-08-27 21:48:10,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-27 21:48:10,054 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:10,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:10,055 INFO L82 PathProgramCache]: Analyzing trace with hash 405953011, now seen corresponding path program 11 times [2020-08-27 21:48:10,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:10,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607591829] [2020-08-27 21:48:10,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:11,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:11,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:48:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:11,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:11,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:11,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:48:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:12,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-27 21:48:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:13,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:48:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-27 21:48:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 63781 backedges. 4264 proven. 7122 refuted. 0 times theorem prover too weak. 52395 trivial. 0 not checked. [2020-08-27 21:48:15,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607591829] [2020-08-27 21:48:15,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:15,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-27 21:48:15,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247152879] [2020-08-27 21:48:15,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-27 21:48:15,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:15,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-27 21:48:15,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2020-08-27 21:48:15,407 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. Second operand 19 states. [2020-08-27 21:48:16,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:16,749 INFO L93 Difference]: Finished difference Result 269 states and 443 transitions. [2020-08-27 21:48:16,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-27 21:48:16,750 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1036 [2020-08-27 21:48:16,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:16,753 INFO L225 Difference]: With dead ends: 269 [2020-08-27 21:48:16,754 INFO L226 Difference]: Without dead ends: 162 [2020-08-27 21:48:16,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=597, Invalid=2373, Unknown=0, NotChecked=0, Total=2970 [2020-08-27 21:48:16,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-08-27 21:48:16,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2020-08-27 21:48:16,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-08-27 21:48:16,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 190 transitions. [2020-08-27 21:48:16,771 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 190 transitions. Word has length 1036 [2020-08-27 21:48:16,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:16,773 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 190 transitions. [2020-08-27 21:48:16,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-27 21:48:16,773 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 190 transitions. [2020-08-27 21:48:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2020-08-27 21:48:16,780 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:48:16,780 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] [2020-08-27 21:48:16,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-27 21:48:16,780 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:48:16,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:48:16,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1020040988, now seen corresponding path program 12 times [2020-08-27 21:48:16,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:48:16,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079773592] [2020-08-27 21:48:16,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:48:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:17,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:48:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:17,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:48:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:18,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-27 21:48:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-27 21:48:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:19,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-27 21:48:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-27 21:48:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:48:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:48:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-27 21:48:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-27 21:48:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-27 21:48:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:48:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 5957 proven. 4942 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-08-27 21:48:20,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079773592] [2020-08-27 21:48:20,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:48:20,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-08-27 21:48:20,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436452939] [2020-08-27 21:48:20,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-08-27 21:48:20,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:48:20,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-08-27 21:48:20,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2020-08-27 21:48:20,797 INFO L87 Difference]: Start difference. First operand 138 states and 190 transitions. Second operand 28 states. [2020-08-27 21:48:21,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:48:21,208 INFO L93 Difference]: Finished difference Result 139 states and 191 transitions. [2020-08-27 21:48:21,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-27 21:48:21,209 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 750 [2020-08-27 21:48:21,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:48:21,211 INFO L225 Difference]: With dead ends: 139 [2020-08-27 21:48:21,211 INFO L226 Difference]: Without dead ends: 0 [2020-08-27 21:48:21,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=271, Invalid=1061, Unknown=0, NotChecked=0, Total=1332 [2020-08-27 21:48:21,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-27 21:48:21,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-27 21:48:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-27 21:48:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-27 21:48:21,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 750 [2020-08-27 21:48:21,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:48:21,214 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-27 21:48:21,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-08-27 21:48:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-27 21:48:21,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-27 21:48:21,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-27 21:48:21,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-27 21:48:22,077 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 6 [2020-08-27 21:48:22,637 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2020-08-27 21:48:22,642 INFO L268 CegarLoopResult]: For program point fibonacciFINAL(lines 14 22) no Hoare annotation was computed. [2020-08-27 21:48:22,643 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-08-27 21:48:22,643 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-08-27 21:48:22,643 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-08-27 21:48:22,643 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)))) [2020-08-27 21:48:22,643 INFO L268 CegarLoopResult]: For program point fibonacciEXIT(lines 14 22) no Hoare annotation was computed. [2020-08-27 21:48:22,644 INFO L268 CegarLoopResult]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-08-27 21:48:22,644 INFO L268 CegarLoopResult]: For program point L20-3(line 20) no Hoare annotation was computed. [2020-08-27 21:48:22,644 INFO L268 CegarLoopResult]: For program point L15(lines 15 21) no Hoare annotation was computed. [2020-08-27 21:48:22,644 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-27 21:48:22,644 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:48:22,644 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:48:22,644 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-27 21:48:22,644 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-27 21:48:22,644 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:48:22,645 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2020-08-27 21:48:22,645 INFO L268 CegarLoopResult]: For program point L31(lines 31 35) no Hoare annotation was computed. [2020-08-27 21:48:22,645 INFO L271 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-08-27 21:48:22,645 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 36) the Hoare annotation is: true [2020-08-27 21:48:22,645 INFO L268 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed. [2020-08-27 21:48:22,645 INFO L268 CegarLoopResult]: For program point L27(lines 27 29) no Hoare annotation was computed. [2020-08-27 21:48:22,645 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 25 36) no Hoare annotation was computed. [2020-08-27 21:48:22,646 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 25 36) no Hoare annotation was computed. [2020-08-27 21:48:22,646 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-27 21:48:22,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 09:48:22 BoogieIcfgContainer [2020-08-27 21:48:22,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-27 21:48:22,658 INFO L168 Benchmark]: Toolchain (without parser) took 25843.07 ms. Allocated memory was 141.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 105.1 MB in the beginning and 311.1 MB in the end (delta: -206.0 MB). Peak memory consumption was 943.8 MB. Max. memory is 7.1 GB. [2020-08-27 21:48:22,659 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-27 21:48:22,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.06 ms. Allocated memory is still 141.0 MB. Free memory was 104.7 MB in the beginning and 95.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-08-27 21:48:22,672 INFO L168 Benchmark]: Boogie Preprocessor took 110.48 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 95.4 MB in the beginning and 182.3 MB in the end (delta: -86.9 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-08-27 21:48:22,672 INFO L168 Benchmark]: RCFGBuilder took 295.04 ms. Allocated memory is still 203.4 MB. Free memory was 182.3 MB in the beginning and 169.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-08-27 21:48:22,673 INFO L168 Benchmark]: TraceAbstraction took 25021.55 ms. Allocated memory was 203.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 169.3 MB in the beginning and 311.1 MB in the end (delta: -141.8 MB). Peak memory consumption was 945.6 MB. Max. memory is 7.1 GB. [2020-08-27 21:48:22,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 410.06 ms. Allocated memory is still 141.0 MB. Free memory was 104.7 MB in the beginning and 95.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.48 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 95.4 MB in the beginning and 182.3 MB in the end (delta: -86.9 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 295.04 ms. Allocated memory is still 203.4 MB. Free memory was 182.3 MB in the beginning and 169.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25021.55 ms. Allocated memory was 203.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 169.3 MB in the beginning and 311.1 MB in the end (delta: -141.8 MB). Peak memory consumption was 945.6 MB. 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: 23.4s, OverallIterations: 15, TraceHistogramMax: 151, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 372 SDtfs, 807 SDslu, 1290 SDs, 0 SdLazy, 2173 SolverSat, 736 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1592 GetRequests, 1328 SyntacticMatches, 0 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1684 ImplicationChecksByTransitivity, 3.3s 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: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 114 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 467 PreInvPairs, 563 NumberOfFragments, 115 HoareAnnotationTreeSize, 467 FomulaSimplifications, 769 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 8 FomulaSimplificationsInter, 2799 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 15.0s 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...