/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive/Fibonacci02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:33:36,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:33:36,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:33:36,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 18:33:36,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:33:36,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:33:36,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:33:36,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:33:36,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:33:36,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:33:36,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:33:36,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:33:36,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:33:36,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:33:36,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:33:36,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:33:36,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 18:33:36,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 18:33:36,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:33:36,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:33:36,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:33:36,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:33:36,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:33:36,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:33:36,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:33:36,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:33:36,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:33:36,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:33:36,852 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:33:36,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:33:36,852 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:33:36,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:33:36,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:33:36,853 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:33:36,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:33:36,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:33:36,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:33:36,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:33:36,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:33:36,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:33:36,855 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:33:37,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:33:37,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:33:37,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:33:37,165 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:33:37,166 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:33:37,166 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci02.c [2020-08-22 18:33:37,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c824b9e94/393328aeb53b4900a0e01979d663929e/FLAGd1eddd10a [2020-08-22 18:33:37,676 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:33:37,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Fibonacci02.c [2020-08-22 18:33:37,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c824b9e94/393328aeb53b4900a0e01979d663929e/FLAGd1eddd10a [2020-08-22 18:33:38,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c824b9e94/393328aeb53b4900a0e01979d663929e [2020-08-22 18:33:38,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:33:38,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:33:38,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:33:38,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:33:38,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:33:38,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:33:38" (1/1) ... [2020-08-22 18:33:38,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e46c6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38, skipping insertion in model container [2020-08-22 18:33:38,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:33:38" (1/1) ... [2020-08-22 18:33:38,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:33:38,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:33:38,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:33:38,330 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:33:38,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:33:38,359 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:33:38,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38 WrapperNode [2020-08-22 18:33:38,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:33:38,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:33:38,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:33:38,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:33:38,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38" (1/1) ... [2020-08-22 18:33:38,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38" (1/1) ... [2020-08-22 18:33:38,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38" (1/1) ... [2020-08-22 18:33:38,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38" (1/1) ... [2020-08-22 18:33:38,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38" (1/1) ... [2020-08-22 18:33:38,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38" (1/1) ... [2020-08-22 18:33:38,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38" (1/1) ... [2020-08-22 18:33:38,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:33:38,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:33:38,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:33:38,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:33:38,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-08-22 18:33:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:33:38,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:33:38,521 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-08-22 18:33:38,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:33:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:33:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 18:33:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-08-22 18:33:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:33:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:33:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:33:38,688 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:33:38,688 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 18:33:38,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:33:38 BoogieIcfgContainer [2020-08-22 18:33:38,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:33:38,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:33:38,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:33:38,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:33:38,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:33:38" (1/3) ... [2020-08-22 18:33:38,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5d253a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:33:38, skipping insertion in model container [2020-08-22 18:33:38,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:38" (2/3) ... [2020-08-22 18:33:38,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5d253a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:33:38, skipping insertion in model container [2020-08-22 18:33:38,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:33:38" (3/3) ... [2020-08-22 18:33:38,700 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2020-08-22 18:33:38,710 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:33:38,717 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:33:38,730 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:33:38,751 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:33:38,751 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:33:38,751 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:33:38,751 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:33:38,752 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:33:38,752 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:33:38,752 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:33:38,752 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:33:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-08-22 18:33:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-22 18:33:38,773 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:38,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:38,774 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:38,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:38,778 INFO L82 PathProgramCache]: Analyzing trace with hash 2085313281, now seen corresponding path program 1 times [2020-08-22 18:33:38,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:38,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930871083] [2020-08-22 18:33:38,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:38,832 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:38,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:38,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:38,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930871083] [2020-08-22 18:33:38,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:38,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 18:33:38,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360703875] [2020-08-22 18:33:38,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 18:33:38,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:39,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 18:33:39,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 18:33:39,023 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-08-22 18:33:39,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:39,153 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-08-22 18:33:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 18:33:39,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-08-22 18:33:39,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:39,168 INFO L225 Difference]: With dead ends: 44 [2020-08-22 18:33:39,168 INFO L226 Difference]: Without dead ends: 28 [2020-08-22 18:33:39,172 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 [2020-08-22 18:33:39,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-08-22 18:33:39,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-08-22 18:33:39,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-08-22 18:33:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-08-22 18:33:39,218 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-08-22 18:33:39,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:39,219 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-08-22 18:33:39,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 18:33:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-08-22 18:33:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-22 18:33:39,221 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:39,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:39,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:33:39,223 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:39,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:39,224 INFO L82 PathProgramCache]: Analyzing trace with hash -93144392, now seen corresponding path program 1 times [2020-08-22 18:33:39,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:39,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718331377] [2020-08-22 18:33:39,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:39,229 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:33:39,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718331377] [2020-08-22 18:33:39,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:39,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 18:33:39,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857073377] [2020-08-22 18:33:39,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 18:33:39,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:39,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 18:33:39,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 18:33:39,299 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-08-22 18:33:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:39,395 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-08-22 18:33:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 18:33:39,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-08-22 18:33:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:39,397 INFO L225 Difference]: With dead ends: 36 [2020-08-22 18:33:39,398 INFO L226 Difference]: Without dead ends: 30 [2020-08-22 18:33:39,399 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 [2020-08-22 18:33:39,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-22 18:33:39,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-08-22 18:33:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-08-22 18:33:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-08-22 18:33:39,412 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-08-22 18:33:39,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:39,412 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-08-22 18:33:39,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 18:33:39,413 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-08-22 18:33:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-08-22 18:33:39,414 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:39,415 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:39,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 18:33:39,415 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:39,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:39,416 INFO L82 PathProgramCache]: Analyzing trace with hash 37359445, now seen corresponding path program 1 times [2020-08-22 18:33:39,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:39,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067489161] [2020-08-22 18:33:39,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:39,419 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 18:33:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 18:33:39,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067489161] [2020-08-22 18:33:39,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:39,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 18:33:39,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787444152] [2020-08-22 18:33:39,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 18:33:39,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:39,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 18:33:39,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 18:33:39,561 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-08-22 18:33:39,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:39,699 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-08-22 18:33:39,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 18:33:39,700 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-08-22 18:33:39,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:39,702 INFO L225 Difference]: With dead ends: 52 [2020-08-22 18:33:39,702 INFO L226 Difference]: Without dead ends: 30 [2020-08-22 18:33:39,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-08-22 18:33:39,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-22 18:33:39,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-22 18:33:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 18:33:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-08-22 18:33:39,715 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-08-22 18:33:39,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:39,716 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-08-22 18:33:39,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 18:33:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-08-22 18:33:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-08-22 18:33:39,718 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:39,718 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, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:39,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 18:33:39,719 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:39,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:39,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1599890626, now seen corresponding path program 1 times [2020-08-22 18:33:39,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:39,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503824109] [2020-08-22 18:33:39,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:39,726 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:33:39,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503824109] [2020-08-22 18:33:39,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:39,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 18:33:39,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874482431] [2020-08-22 18:33:39,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 18:33:39,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:39,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 18:33:39,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 18:33:39,833 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 6 states. [2020-08-22 18:33:39,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:39,945 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2020-08-22 18:33:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 18:33:39,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-08-22 18:33:39,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:39,948 INFO L225 Difference]: With dead ends: 56 [2020-08-22 18:33:39,948 INFO L226 Difference]: Without dead ends: 50 [2020-08-22 18:33:39,949 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 [2020-08-22 18:33:39,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-22 18:33:39,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-08-22 18:33:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-08-22 18:33:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-08-22 18:33:39,965 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 34 [2020-08-22 18:33:39,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:39,966 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-08-22 18:33:39,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 18:33:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-08-22 18:33:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 18:33:39,968 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:39,969 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:39,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 18:33:39,969 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:39,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:39,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1509057080, now seen corresponding path program 2 times [2020-08-22 18:33:39,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:39,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832560056] [2020-08-22 18:33:39,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:39,972 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-22 18:33:40,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [832560056] [2020-08-22 18:33:40,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:40,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 18:33:40,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968177383] [2020-08-22 18:33:40,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 18:33:40,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:40,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 18:33:40,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 18:33:40,146 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 8 states. [2020-08-22 18:33:40,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:40,301 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2020-08-22 18:33:40,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 18:33:40,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-22 18:33:40,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:40,304 INFO L225 Difference]: With dead ends: 111 [2020-08-22 18:33:40,304 INFO L226 Difference]: Without dead ends: 67 [2020-08-22 18:33:40,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-08-22 18:33:40,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-08-22 18:33:40,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2020-08-22 18:33:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-08-22 18:33:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-08-22 18:33:40,321 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 51 [2020-08-22 18:33:40,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:40,321 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-08-22 18:33:40,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 18:33:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-08-22 18:33:40,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 18:33:40,324 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:40,324 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:40,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 18:33:40,325 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:40,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:40,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1009539825, now seen corresponding path program 3 times [2020-08-22 18:33:40,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:40,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872640721] [2020-08-22 18:33:40,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:40,328 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 18:33:40,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872640721] [2020-08-22 18:33:40,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:40,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 18:33:40,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054454670] [2020-08-22 18:33:40,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 18:33:40,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:40,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 18:33:40,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 18:33:40,521 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand 7 states. [2020-08-22 18:33:40,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:40,653 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2020-08-22 18:33:40,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 18:33:40,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-08-22 18:33:40,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:40,660 INFO L225 Difference]: With dead ends: 89 [2020-08-22 18:33:40,660 INFO L226 Difference]: Without dead ends: 83 [2020-08-22 18:33:40,661 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 [2020-08-22 18:33:40,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-08-22 18:33:40,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-08-22 18:33:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-08-22 18:33:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2020-08-22 18:33:40,694 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 52 [2020-08-22 18:33:40,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:40,695 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2020-08-22 18:33:40,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 18:33:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2020-08-22 18:33:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-22 18:33:40,704 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:40,705 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:40,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 18:33:40,705 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:40,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:40,706 INFO L82 PathProgramCache]: Analyzing trace with hash -858055544, now seen corresponding path program 4 times [2020-08-22 18:33:40,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:40,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292426383] [2020-08-22 18:33:40,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:40,709 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:40,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 11 proven. 69 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-08-22 18:33:41,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292426383] [2020-08-22 18:33:41,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:41,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 18:33:41,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102784947] [2020-08-22 18:33:41,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 18:33:41,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:41,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 18:33:41,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-22 18:33:41,102 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand 11 states. [2020-08-22 18:33:41,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:41,401 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-08-22 18:33:41,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 18:33:41,402 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-08-22 18:33:41,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:41,405 INFO L225 Difference]: With dead ends: 142 [2020-08-22 18:33:41,405 INFO L226 Difference]: Without dead ends: 73 [2020-08-22 18:33:41,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-08-22 18:33:41,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-08-22 18:33:41,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-08-22 18:33:41,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-08-22 18:33:41,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2020-08-22 18:33:41,421 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 123 [2020-08-22 18:33:41,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:41,421 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2020-08-22 18:33:41,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 18:33:41,422 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2020-08-22 18:33:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-08-22 18:33:41,423 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:41,424 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:41,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 18:33:41,424 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:41,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:41,425 INFO L82 PathProgramCache]: Analyzing trace with hash -145654990, now seen corresponding path program 5 times [2020-08-22 18:33:41,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:41,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152156317] [2020-08-22 18:33:41,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:41,427 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 48 proven. 97 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-08-22 18:33:41,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152156317] [2020-08-22 18:33:41,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:41,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 18:33:41,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283139725] [2020-08-22 18:33:41,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 18:33:41,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:41,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 18:33:41,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-08-22 18:33:41,976 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand 13 states. [2020-08-22 18:33:42,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:42,441 INFO L93 Difference]: Finished difference Result 149 states and 204 transitions. [2020-08-22 18:33:42,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-22 18:33:42,442 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-08-22 18:33:42,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:42,444 INFO L225 Difference]: With dead ends: 149 [2020-08-22 18:33:42,444 INFO L226 Difference]: Without dead ends: 92 [2020-08-22 18:33:42,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=624, Unknown=0, NotChecked=0, Total=812 [2020-08-22 18:33:42,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-08-22 18:33:42,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85. [2020-08-22 18:33:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-22 18:33:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 101 transitions. [2020-08-22 18:33:42,460 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 101 transitions. Word has length 193 [2020-08-22 18:33:42,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:42,460 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 101 transitions. [2020-08-22 18:33:42,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 18:33:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2020-08-22 18:33:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-08-22 18:33:42,463 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:42,463 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:42,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 18:33:42,463 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:42,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:42,464 INFO L82 PathProgramCache]: Analyzing trace with hash -217722271, now seen corresponding path program 6 times [2020-08-22 18:33:42,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:42,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925568435] [2020-08-22 18:33:42,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:42,466 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-08-22 18:33:42,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925568435] [2020-08-22 18:33:42,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:42,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 18:33:42,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097312154] [2020-08-22 18:33:42,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 18:33:42,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:42,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 18:33:42,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-22 18:33:42,858 INFO L87 Difference]: Start difference. First operand 85 states and 101 transitions. Second operand 10 states. [2020-08-22 18:33:43,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:43,052 INFO L93 Difference]: Finished difference Result 248 states and 324 transitions. [2020-08-22 18:33:43,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 18:33:43,056 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 228 [2020-08-22 18:33:43,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:43,065 INFO L225 Difference]: With dead ends: 248 [2020-08-22 18:33:43,065 INFO L226 Difference]: Without dead ends: 242 [2020-08-22 18:33:43,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-08-22 18:33:43,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-08-22 18:33:43,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 218. [2020-08-22 18:33:43,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-08-22 18:33:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 288 transitions. [2020-08-22 18:33:43,119 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 288 transitions. Word has length 228 [2020-08-22 18:33:43,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:43,120 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 288 transitions. [2020-08-22 18:33:43,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 18:33:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 288 transitions. [2020-08-22 18:33:43,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2020-08-22 18:33:43,127 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:43,128 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 38, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 15, 15, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:43,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 18:33:43,128 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:43,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:43,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1841895806, now seen corresponding path program 7 times [2020-08-22 18:33:43,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:43,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138941614] [2020-08-22 18:33:43,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:43,131 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:33:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:43,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:44,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:44,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:44,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:44,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:44,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:44,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:44,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:44,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:44,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 196 proven. 229 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2020-08-22 18:33:44,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138941614] [2020-08-22 18:33:44,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:44,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-08-22 18:33:44,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379829778] [2020-08-22 18:33:44,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 18:33:44,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:44,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 18:33:44,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-08-22 18:33:44,255 INFO L87 Difference]: Start difference. First operand 218 states and 288 transitions. Second operand 17 states. [2020-08-22 18:33:45,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:45,021 INFO L93 Difference]: Finished difference Result 351 states and 539 transitions. [2020-08-22 18:33:45,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-22 18:33:45,024 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 422 [2020-08-22 18:33:45,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:45,028 INFO L225 Difference]: With dead ends: 351 [2020-08-22 18:33:45,028 INFO L226 Difference]: Without dead ends: 143 [2020-08-22 18:33:45,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=335, Invalid=1305, Unknown=0, NotChecked=0, Total=1640 [2020-08-22 18:33:45,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-22 18:33:45,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 125. [2020-08-22 18:33:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-22 18:33:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 162 transitions. [2020-08-22 18:33:45,056 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 162 transitions. Word has length 422 [2020-08-22 18:33:45,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:45,059 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 162 transitions. [2020-08-22 18:33:45,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 18:33:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2020-08-22 18:33:45,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2020-08-22 18:33:45,078 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:45,078 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 24, 24, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:45,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 18:33:45,079 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:45,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:45,079 INFO L82 PathProgramCache]: Analyzing trace with hash -828972613, now seen corresponding path program 8 times [2020-08-22 18:33:45,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:45,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970108204] [2020-08-22 18:33:45,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:45,084 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:45,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:45,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:45,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:45,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:45,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:45,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:45,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:45,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:45,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:33:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 18:33:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:33:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:46,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:47,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3690 backedges. 361 proven. 410 refuted. 0 times theorem prover too weak. 2919 trivial. 0 not checked. [2020-08-22 18:33:47,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [970108204] [2020-08-22 18:33:47,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:47,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:33:47,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325034443] [2020-08-22 18:33:47,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:33:47,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:47,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:33:47,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:33:47,530 INFO L87 Difference]: Start difference. First operand 125 states and 162 transitions. Second operand 19 states. [2020-08-22 18:33:48,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:48,426 INFO L93 Difference]: Finished difference Result 275 states and 425 transitions. [2020-08-22 18:33:48,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-22 18:33:48,430 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 686 [2020-08-22 18:33:48,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:48,439 INFO L225 Difference]: With dead ends: 275 [2020-08-22 18:33:48,440 INFO L226 Difference]: Without dead ends: 160 [2020-08-22 18:33:48,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=442, Invalid=1814, Unknown=0, NotChecked=0, Total=2256 [2020-08-22 18:33:48,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-08-22 18:33:48,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 145. [2020-08-22 18:33:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-08-22 18:33:48,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 194 transitions. [2020-08-22 18:33:48,472 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 194 transitions. Word has length 686 [2020-08-22 18:33:48,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:48,473 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 194 transitions. [2020-08-22 18:33:48,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:33:48,474 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 194 transitions. [2020-08-22 18:33:48,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-08-22 18:33:48,491 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:48,492 INFO L422 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 42, 42, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:48,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 18:33:48,492 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:48,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:48,493 INFO L82 PathProgramCache]: Analyzing trace with hash 2014565749, now seen corresponding path program 9 times [2020-08-22 18:33:48,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:48,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007509731] [2020-08-22 18:33:48,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:48,501 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:49,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:49,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:49,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:33:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 18:33:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:50,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-08-22 18:33:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:33:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:51,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 18:33:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:52,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12095 backedges. 214 proven. 824 refuted. 0 times theorem prover too weak. 11057 trivial. 0 not checked. [2020-08-22 18:33:53,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007509731] [2020-08-22 18:33:53,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:33:53,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-08-22 18:33:53,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444315797] [2020-08-22 18:33:53,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-22 18:33:53,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:33:53,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-22 18:33:53,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2020-08-22 18:33:53,586 INFO L87 Difference]: Start difference. First operand 145 states and 194 transitions. Second operand 21 states. [2020-08-22 18:33:54,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:33:54,671 INFO L93 Difference]: Finished difference Result 334 states and 557 transitions. [2020-08-22 18:33:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-08-22 18:33:54,672 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1197 [2020-08-22 18:33:54,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:33:54,678 INFO L225 Difference]: With dead ends: 334 [2020-08-22 18:33:54,678 INFO L226 Difference]: Without dead ends: 199 [2020-08-22 18:33:54,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=550, Invalid=2312, Unknown=0, NotChecked=0, Total=2862 [2020-08-22 18:33:54,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-08-22 18:33:54,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 171. [2020-08-22 18:33:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-08-22 18:33:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 240 transitions. [2020-08-22 18:33:54,702 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 240 transitions. Word has length 1197 [2020-08-22 18:33:54,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:33:54,703 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 240 transitions. [2020-08-22 18:33:54,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-22 18:33:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 240 transitions. [2020-08-22 18:33:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-08-22 18:33:54,712 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:54,712 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 34, 34, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:54,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 18:33:54,713 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:54,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:54,713 INFO L82 PathProgramCache]: Analyzing trace with hash 959941073, now seen corresponding path program 10 times [2020-08-22 18:33:54,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:54,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371574488] [2020-08-22 18:33:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:54,717 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:33:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:55,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:33:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:56,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:33:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 18:33:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:57,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-08-22 18:33:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:33:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:33:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:33:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:33:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:33:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:33:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:33:58,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:33:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:00,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7976 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7976 trivial. 0 not checked. [2020-08-22 18:34:00,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371574488] [2020-08-22 18:34:00,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:34:00,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-08-22 18:34:00,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503308438] [2020-08-22 18:34:00,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-08-22 18:34:00,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:34:00,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-08-22 18:34:00,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2020-08-22 18:34:00,638 INFO L87 Difference]: Start difference. First operand 171 states and 240 transitions. Second operand 28 states. [2020-08-22 18:34:01,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:34:01,827 INFO L93 Difference]: Finished difference Result 194 states and 283 transitions. [2020-08-22 18:34:01,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-22 18:34:01,828 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 968 [2020-08-22 18:34:01,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:34:01,834 INFO L225 Difference]: With dead ends: 194 [2020-08-22 18:34:01,834 INFO L226 Difference]: Without dead ends: 188 [2020-08-22 18:34:01,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=137, Invalid=1843, Unknown=0, NotChecked=0, Total=1980 [2020-08-22 18:34:01,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-08-22 18:34:01,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2020-08-22 18:34:01,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-08-22 18:34:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 270 transitions. [2020-08-22 18:34:01,867 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 270 transitions. Word has length 968 [2020-08-22 18:34:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:34:01,867 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 270 transitions. [2020-08-22 18:34:01,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-08-22 18:34:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 270 transitions. [2020-08-22 18:34:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-08-22 18:34:01,880 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:34:01,880 INFO L422 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 42, 42, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:34:01,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 18:34:01,880 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:34:01,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:34:01,881 INFO L82 PathProgramCache]: Analyzing trace with hash 886142123, now seen corresponding path program 11 times [2020-08-22 18:34:01,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:34:01,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420619030] [2020-08-22 18:34:01,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:34:01,885 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:34:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:02,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:34:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:02,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:34:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:02,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:34:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:34:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 18:34:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:34:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-08-22 18:34:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:34:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2020-08-22 18:34:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:34:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:34:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:04,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12150 backedges. 274 proven. 761 refuted. 0 times theorem prover too weak. 11115 trivial. 0 not checked. [2020-08-22 18:34:05,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420619030] [2020-08-22 18:34:05,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:34:05,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:34:05,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857041675] [2020-08-22 18:34:05,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:34:05,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:34:05,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:34:05,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:34:05,744 INFO L87 Difference]: Start difference. First operand 185 states and 270 transitions. Second operand 19 states. [2020-08-22 18:34:06,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:34:06,415 INFO L93 Difference]: Finished difference Result 362 states and 539 transitions. [2020-08-22 18:34:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-22 18:34:06,416 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1197 [2020-08-22 18:34:06,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:34:06,421 INFO L225 Difference]: With dead ends: 362 [2020-08-22 18:34:06,421 INFO L226 Difference]: Without dead ends: 199 [2020-08-22 18:34:06,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2020-08-22 18:34:06,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-08-22 18:34:06,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 162. [2020-08-22 18:34:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-08-22 18:34:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 229 transitions. [2020-08-22 18:34:06,447 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 229 transitions. Word has length 1197 [2020-08-22 18:34:06,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:34:06,449 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 229 transitions. [2020-08-22 18:34:06,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:34:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 229 transitions. [2020-08-22 18:34:06,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2020-08-22 18:34:06,478 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:34:06,479 INFO L422 BasicCegarLoop]: trace histogram [219, 219, 177, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 68, 68, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:34:06,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 18:34:06,480 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:34:06,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:34:06,481 INFO L82 PathProgramCache]: Analyzing trace with hash 192602453, now seen corresponding path program 12 times [2020-08-22 18:34:06,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:34:06,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935436208] [2020-08-22 18:34:06,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:34:06,487 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:34:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:07,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:34:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:07,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 18:34:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:08,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:08,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:34:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:34:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 18:34:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:34:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-08-22 18:34:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:34:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:09,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:34:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-08-22 18:34:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:10,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:34:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:34:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 18:34:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:34:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-08-22 18:34:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:34:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:34:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:34:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 18:34:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:34:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 18:34:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:11,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 18:34:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:34:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 33409 backedges. 374 proven. 1390 refuted. 0 times theorem prover too weak. 31645 trivial. 0 not checked. [2020-08-22 18:34:14,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935436208] [2020-08-22 18:34:14,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:34:14,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-08-22 18:34:14,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208133485] [2020-08-22 18:34:14,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-22 18:34:14,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:34:14,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-22 18:34:14,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2020-08-22 18:34:14,165 INFO L87 Difference]: Start difference. First operand 162 states and 229 transitions. Second operand 23 states. [2020-08-22 18:34:15,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:34:15,109 INFO L93 Difference]: Finished difference Result 232 states and 343 transitions. [2020-08-22 18:34:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-22 18:34:15,110 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1937 [2020-08-22 18:34:15,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:34:15,111 INFO L225 Difference]: With dead ends: 232 [2020-08-22 18:34:15,111 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 18:34:15,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=700, Invalid=2162, Unknown=0, NotChecked=0, Total=2862 [2020-08-22 18:34:15,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 18:34:15,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 18:34:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 18:34:15,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 18:34:15,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1937 [2020-08-22 18:34:15,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:34:15,119 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 18:34:15,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-22 18:34:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 18:34:15,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 18:34:15,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 18:34:15,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 18:34:17,248 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 75 [2020-08-22 18:34:17,369 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 11 [2020-08-22 18:34:18,342 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 84 [2020-08-22 18:34:19,063 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 64 [2020-08-22 18:34:19,865 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 64 [2020-08-22 18:34:20,634 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 72 [2020-08-22 18:34:21,786 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 154 DAG size of output: 101 [2020-08-22 18:34:22,827 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 84 [2020-08-22 18:34:22,977 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 14 [2020-08-22 18:34:23,808 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 75 [2020-08-22 18:34:23,920 INFO L264 CegarLoopResult]: At program point fibonacciFINAL(lines 14 22) the Hoare annotation is: (let ((.cse0 (<= |fibonacci_#in~n| 6)) (.cse1 (<= |fibonacci_#in~n| 5)) (.cse3 (<= |fibonacci_#in~n| 4))) (and (or (not .cse0) (and (<= 8 |fibonacci_#res|) (<= |fibonacci_#res| 8)) .cse1) (let ((.cse2 (= fibonacci_~n |fibonacci_#in~n|))) (or (not (<= |fibonacci_#in~n| 9)) (and (<= fibonacci_~n 8) .cse2) (and (<= |fibonacci_#res| 34) .cse2 (<= 34 |fibonacci_#res|)))) (or (not (<= |fibonacci_#in~n| 1)) (and (<= 0 |fibonacci_#res|) (<= |fibonacci_#res| 0)) (< 0 fibonacci_~n)) (or (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|) (<= 4 fibonacci_~n)) (and (<= |fibonacci_#res| 2) (<= |fibonacci_#in~n| 3) (<= 3 |fibonacci_#in~n|) (<= 2 |fibonacci_#res|)) (not .cse3) (and (<= |fibonacci_#in~n| 2) (<= 1 |fibonacci_#res|) (<= |fibonacci_#res| 1)) (<= |fibonacci_#in~n| 0)) (or (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|)) (not (<= |fibonacci_#in~n| 8)) (<= fibonacci_~n 7)) (or .cse0 (and (<= |fibonacci_#res| 13) (<= 13 |fibonacci_#res|)) (not (<= |fibonacci_#in~n| 7))) (or (not .cse1) (and (<= |fibonacci_#res| 5) (<= 5 |fibonacci_#res|)) .cse3))) [2020-08-22 18:34:23,921 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-08-22 18:34:23,921 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (not (<= |fibonacci_#in~n| 1)) (or (not (<= |fibonacci_#in~n| 9)) (= fibonacci_~n |fibonacci_#in~n|))) [2020-08-22 18:34:23,921 INFO L264 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: (let ((.cse2 (<= |fibonacci_#in~n| 4)) (.cse3 (<= |fibonacci_#in~n| 5)) (.cse5 (<= |fibonacci_#in~n| 6))) (and (let ((.cse0 (<= 1 |fibonacci_#t~ret0|)) (.cse1 (<= |fibonacci_#t~ret0| 1))) (or (and (<= |fibonacci_#in~n| 2) .cse0 .cse1 (<= 2 |fibonacci_#in~n|)) (not .cse2) (and .cse0 .cse1 (<= |fibonacci_#in~n| 3) (<= 3 |fibonacci_#in~n|)) (and (<= 4 fibonacci_~n) (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2)))) (or (not (<= |fibonacci_#in~n| 8)) (and (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|)) (<= fibonacci_~n 7)) (or (and (<= |fibonacci_#t~ret0| 3) (<= 3 |fibonacci_#t~ret0|)) (not .cse3) .cse2) (let ((.cse4 (= fibonacci_~n |fibonacci_#in~n|))) (or (and (<= 21 |fibonacci_#t~ret0|) .cse4 (<= |fibonacci_#t~ret0| 21)) (not (<= |fibonacci_#in~n| 9)) (and (<= fibonacci_~n 8) .cse4))) (or (not .cse5) (and (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5)) .cse3) (or .cse5 (and (<= |fibonacci_#t~ret0| 8) (<= 8 |fibonacci_#t~ret0|)) (not (<= |fibonacci_#in~n| 7))))) [2020-08-22 18:34:23,921 INFO L264 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (and (or (not (<= |fibonacci_#in~n| 9)) (not (<= 2 |fibonacci_#in~n|))) (or (and (= fibonacci_~n |fibonacci_#in~n|) (< 0 fibonacci_~n)) (not (<= |fibonacci_#in~n| 1)))) [2020-08-22 18:34:23,922 INFO L264 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: (let ((.cse2 (<= |fibonacci_#in~n| 4)) (.cse3 (<= |fibonacci_#in~n| 5)) (.cse5 (<= |fibonacci_#in~n| 6))) (and (let ((.cse0 (<= 1 |fibonacci_#t~ret0|)) (.cse1 (<= |fibonacci_#t~ret0| 1))) (or (and (<= |fibonacci_#in~n| 2) .cse0 .cse1 (<= 2 |fibonacci_#in~n|)) (not .cse2) (and .cse0 .cse1 (<= |fibonacci_#in~n| 3) (<= 3 |fibonacci_#in~n|)) (and (<= 4 fibonacci_~n) (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2)))) (or (not (<= |fibonacci_#in~n| 8)) (and (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|)) (<= fibonacci_~n 7)) (or (and (<= |fibonacci_#t~ret0| 3) (<= 3 |fibonacci_#t~ret0|)) (not .cse3) .cse2) (let ((.cse4 (= fibonacci_~n |fibonacci_#in~n|))) (or (and (<= 21 |fibonacci_#t~ret0|) .cse4 (<= |fibonacci_#t~ret0| 21)) (not (<= |fibonacci_#in~n| 9)) (and (<= fibonacci_~n 8) .cse4))) (or (not .cse5) (and (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5)) .cse3) (or .cse5 (and (<= |fibonacci_#t~ret0| 8) (<= 8 |fibonacci_#t~ret0|)) (not (<= |fibonacci_#in~n| 7))))) [2020-08-22 18:34:23,922 INFO L264 CegarLoopResult]: At program point fibonacciEXIT(lines 14 22) the Hoare annotation is: (let ((.cse0 (<= |fibonacci_#in~n| 6)) (.cse1 (<= |fibonacci_#in~n| 5)) (.cse3 (<= |fibonacci_#in~n| 4))) (and (or (not .cse0) (and (<= 8 |fibonacci_#res|) (<= |fibonacci_#res| 8)) .cse1) (let ((.cse2 (= fibonacci_~n |fibonacci_#in~n|))) (or (not (<= |fibonacci_#in~n| 9)) (and (<= fibonacci_~n 8) .cse2) (and (<= |fibonacci_#res| 34) .cse2 (<= 34 |fibonacci_#res|)))) (or (not (<= |fibonacci_#in~n| 1)) (and (<= 0 |fibonacci_#res|) (<= |fibonacci_#res| 0)) (< 0 fibonacci_~n)) (or (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|) (<= 4 fibonacci_~n)) (and (<= |fibonacci_#res| 2) (<= |fibonacci_#in~n| 3) (<= 3 |fibonacci_#in~n|) (<= 2 |fibonacci_#res|)) (not .cse3) (and (<= |fibonacci_#in~n| 2) (<= 1 |fibonacci_#res|) (<= |fibonacci_#res| 1)) (<= |fibonacci_#in~n| 0)) (or (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|)) (not (<= |fibonacci_#in~n| 8)) (<= fibonacci_~n 7)) (or .cse0 (and (<= |fibonacci_#res| 13) (<= 13 |fibonacci_#res|)) (not (<= |fibonacci_#in~n| 7))) (or (not .cse1) (and (<= |fibonacci_#res| 5) (<= 5 |fibonacci_#res|)) .cse3))) [2020-08-22 18:34:23,922 INFO L264 CegarLoopResult]: At program point L17(lines 17 21) the Hoare annotation is: (and (or (not (<= |fibonacci_#in~n| 1)) (< 0 fibonacci_~n)) (or (not (<= |fibonacci_#in~n| 9)) (= fibonacci_~n |fibonacci_#in~n|))) [2020-08-22 18:34:23,923 INFO L264 CegarLoopResult]: At program point L20-3(line 20) the Hoare annotation is: (let ((.cse0 (+ |fibonacci_#t~ret1| |fibonacci_#t~ret0|)) (.cse7 (<= |fibonacci_#in~n| 2)) (.cse1 (<= 1 |fibonacci_#t~ret0|)) (.cse2 (<= |fibonacci_#t~ret0| 1))) (let ((.cse4 (<= |fibonacci_#in~n| 4)) (.cse5 (<= |fibonacci_#in~n| 5)) (.cse3 (and (<= .cse0 1) (<= 1 .cse0) .cse7 .cse1 .cse2 (<= 2 |fibonacci_#in~n|))) (.cse6 (<= |fibonacci_#in~n| 6))) (and (or (and (<= 2 .cse0) (<= .cse0 2) .cse1 .cse2 (<= |fibonacci_#in~n| 3)) .cse3 (not .cse4) (and (<= 4 fibonacci_~n) (<= .cse0 3) (<= 3 .cse0) (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2))) (or (not (<= |fibonacci_#in~n| 8)) (and (<= .cse0 21) (<= 21 .cse0) (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|)) (<= fibonacci_~n 7)) (or (and (<= |fibonacci_#t~ret0| 3) (<= 5 .cse0) (<= .cse0 5) (<= 3 |fibonacci_#t~ret0|)) (not .cse5) .cse4) (or (and (<= .cse0 8) (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5) (<= 8 .cse0)) (not .cse6) .cse5) (or (not .cse7) .cse3) (or (and (<= |fibonacci_#t~ret0| 8) (<= .cse0 13) (<= 13 .cse0) (<= 8 |fibonacci_#t~ret0|)) .cse6 (not (<= |fibonacci_#in~n| 7))) (let ((.cse8 (= fibonacci_~n |fibonacci_#in~n|))) (or (not (<= |fibonacci_#in~n| 9)) (and (<= 34 .cse0) (<= 21 |fibonacci_#t~ret0|) .cse8 (<= .cse0 34) (<= |fibonacci_#t~ret0| 21)) (and (<= fibonacci_~n 8) .cse8)))))) [2020-08-22 18:34:23,923 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (and (or (not (<= |fibonacci_#in~n| 9)) (not (<= 2 |fibonacci_#in~n|))) (or (and (= fibonacci_~n |fibonacci_#in~n|) (<= |fibonacci_#in~n| 0)) (not (<= |fibonacci_#in~n| 1)))) [2020-08-22 18:34:23,923 INFO L264 CegarLoopResult]: At program point L20-4(line 20) the Hoare annotation is: (let ((.cse0 (+ |fibonacci_#t~ret1| |fibonacci_#t~ret0|)) (.cse7 (<= |fibonacci_#in~n| 2)) (.cse1 (<= 1 |fibonacci_#t~ret0|)) (.cse2 (<= |fibonacci_#t~ret0| 1))) (let ((.cse4 (<= |fibonacci_#in~n| 4)) (.cse5 (<= |fibonacci_#in~n| 5)) (.cse3 (and (<= .cse0 1) (<= 1 .cse0) .cse7 .cse1 .cse2 (<= 2 |fibonacci_#in~n|))) (.cse6 (<= |fibonacci_#in~n| 6))) (and (or (and (<= 2 .cse0) (<= .cse0 2) .cse1 .cse2 (<= |fibonacci_#in~n| 3)) .cse3 (not .cse4) (and (<= 4 fibonacci_~n) (<= .cse0 3) (<= 3 .cse0) (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2))) (or (not (<= |fibonacci_#in~n| 8)) (and (<= .cse0 21) (<= 21 .cse0) (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|)) (<= fibonacci_~n 7)) (or (and (<= |fibonacci_#t~ret0| 3) (<= 5 .cse0) (<= .cse0 5) (<= 3 |fibonacci_#t~ret0|)) (not .cse5) .cse4) (or (and (<= .cse0 8) (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5) (<= 8 .cse0)) (not .cse6) .cse5) (or (not .cse7) .cse3) (or (and (<= |fibonacci_#t~ret0| 8) (<= .cse0 13) (<= 13 .cse0) (<= 8 |fibonacci_#t~ret0|)) .cse6 (not (<= |fibonacci_#in~n| 7))) (let ((.cse8 (= fibonacci_~n |fibonacci_#in~n|))) (or (not (<= |fibonacci_#in~n| 9)) (and (<= 34 .cse0) (<= 21 |fibonacci_#t~ret0|) .cse8 (<= .cse0 34) (<= |fibonacci_#t~ret0| 21)) (and (<= fibonacci_~n 8) .cse8)))))) [2020-08-22 18:34:23,923 INFO L264 CegarLoopResult]: At program point L15(lines 15 21) the Hoare annotation is: (or (not (<= |fibonacci_#in~n| 9)) (= fibonacci_~n |fibonacci_#in~n|)) [2020-08-22 18:34:23,924 INFO L264 CegarLoopResult]: At program point L20-5(line 20) the Hoare annotation is: (let ((.cse3 (<= |fibonacci_#in~n| 3)) (.cse0 (+ |fibonacci_#t~ret1| |fibonacci_#t~ret0|)) (.cse8 (<= 1 |fibonacci_#t~ret0|)) (.cse9 (<= |fibonacci_#t~ret0| 1)) (.cse7 (= fibonacci_~n |fibonacci_#in~n|))) (let ((.cse4 (<= |fibonacci_#in~n| 6)) (.cse1 (and (<= .cse0 1) (<= 1 .cse0) (<= |fibonacci_#in~n| 2) .cse8 (<= 1 |fibonacci_#res|) .cse9 .cse7 (<= |fibonacci_#res| 1) (<= 2 |fibonacci_#in~n|))) (.cse2 (and (<= |fibonacci_#res| 2) (<= 2 .cse0) (<= .cse0 2) .cse8 .cse9 .cse3 .cse7 (<= 3 |fibonacci_#in~n|) (<= 2 |fibonacci_#res|))) (.cse5 (<= |fibonacci_#in~n| 5)) (.cse6 (<= |fibonacci_#in~n| 4))) (and (or (not (<= |fibonacci_#in~n| 8)) (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|) (<= .cse0 21) (<= 21 .cse0) (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|)) (<= fibonacci_~n 7)) (or .cse1 .cse2 (not .cse3)) (or (and (<= .cse0 8) (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5) (<= |fibonacci_#res| 8) (<= 8 |fibonacci_#res|) (<= 8 .cse0)) (not .cse4) .cse5) (or .cse4 (and (<= |fibonacci_#t~ret0| 8) (<= |fibonacci_#res| 13) (<= .cse0 13) (<= 13 .cse0) (<= 13 |fibonacci_#res|) (<= 8 |fibonacci_#t~ret0|)) (not (<= |fibonacci_#in~n| 7))) (or .cse1 .cse2 (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|) (<= .cse0 3) (<= 3 .cse0) (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2)) (not .cse6)) (or (and (<= 34 .cse0) (<= 21 |fibonacci_#t~ret0|) (<= |fibonacci_#res| 34) .cse7 (<= .cse0 34) (<= |fibonacci_#t~ret0| 21) (<= 34 |fibonacci_#res|)) (not (<= |fibonacci_#in~n| 9)) (and (<= fibonacci_~n 8) .cse7)) (or (and (<= |fibonacci_#res| 5) (<= |fibonacci_#t~ret0| 3) (<= 5 |fibonacci_#res|) (<= 5 .cse0) (<= .cse0 5) (<= 3 |fibonacci_#t~ret0|)) (not .cse5) .cse6)))) [2020-08-22 18:34:23,924 INFO L264 CegarLoopResult]: At program point L20-6(line 20) the Hoare annotation is: (let ((.cse6 (<= |fibonacci_#in~n| 3)) (.cse3 (<= |fibonacci_#in~n| 2)) (.cse0 (= fibonacci_~n |fibonacci_#in~n|))) (let ((.cse1 (<= |fibonacci_#in~n| 6)) (.cse2 (<= |fibonacci_#in~n| 5)) (.cse4 (and .cse3 (<= 1 |fibonacci_#res|) .cse0 (<= |fibonacci_#res| 1) (<= 2 |fibonacci_#in~n|))) (.cse5 (and (<= |fibonacci_#res| 2) .cse6 (<= 2 |fibonacci_#res|)))) (and (or (not (<= |fibonacci_#in~n| 9)) (and (<= fibonacci_~n 8) .cse0) (and (<= |fibonacci_#res| 34) .cse0 (<= 34 |fibonacci_#res|))) (or (not .cse1) (and (<= 8 |fibonacci_#res|) (<= |fibonacci_#res| 8)) .cse2) (or (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|)) (not (<= |fibonacci_#in~n| 8)) (<= fibonacci_~n 7)) (or .cse1 (and (<= |fibonacci_#res| 13) (<= 13 |fibonacci_#res|)) (not (<= |fibonacci_#in~n| 7))) (or (not .cse2) (and (<= |fibonacci_#res| 5) (<= 5 |fibonacci_#res|)) (<= fibonacci_~n 4)) (or (not .cse3) .cse4) (or (not (<= 3 |fibonacci_#in~n|)) .cse5 (not .cse6)) (or .cse4 .cse5 (not (<= |fibonacci_#in~n| 4)) (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|)))))) [2020-08-22 18:34:23,924 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 18:34:23,924 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 18:34:23,924 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 18:34:23,924 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 18:34:23,924 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 18:34:23,924 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 18:34:23,925 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) the Hoare annotation is: false [2020-08-22 18:34:23,925 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: false [2020-08-22 18:34:23,925 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 33) the Hoare annotation is: true [2020-08-22 18:34:23,925 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (<= 9 main_~x~0) [2020-08-22 18:34:23,925 INFO L264 CegarLoopResult]: At program point L28(lines 28 32) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0) (<= 34 main_~result~0) (<= main_~result~0 34)) [2020-08-22 18:34:23,925 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0)) [2020-08-22 18:34:23,925 INFO L264 CegarLoopResult]: At program point L27-1(line 27) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0) (<= 34 |main_#t~ret2|) (<= |main_#t~ret2| 34)) [2020-08-22 18:34:23,925 INFO L264 CegarLoopResult]: At program point L27-2(line 27) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0) (<= 34 |main_#t~ret2|) (<= |main_#t~ret2| 34)) [2020-08-22 18:34:23,925 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 25 33) the Hoare annotation is: (<= 9 main_~x~0) [2020-08-22 18:34:23,926 INFO L264 CegarLoopResult]: At program point L27-3(line 27) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0) (<= 34 main_~result~0) (<= 34 |main_#t~ret2|) (<= main_~result~0 34) (<= |main_#t~ret2| 34)) [2020-08-22 18:34:23,926 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 25 33) the Hoare annotation is: (<= 9 main_~x~0) [2020-08-22 18:34:23,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:34:23 BoogieIcfgContainer [2020-08-22 18:34:23,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 18:34:23,952 INFO L168 Benchmark]: Toolchain (without parser) took 45827.06 ms. Allocated memory was 139.5 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 103.8 MB in the beginning and 635.4 MB in the end (delta: -531.7 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-08-22 18:34:23,953 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-08-22 18:34:23,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.92 ms. Allocated memory is still 139.5 MB. Free memory was 103.4 MB in the beginning and 94.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-08-22 18:34:23,958 INFO L168 Benchmark]: Boogie Preprocessor took 105.35 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 94.2 MB in the beginning and 180.7 MB in the end (delta: -86.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-08-22 18:34:23,959 INFO L168 Benchmark]: RCFGBuilder took 226.45 ms. Allocated memory is still 201.9 MB. Free memory was 180.7 MB in the beginning and 167.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-08-22 18:34:23,959 INFO L168 Benchmark]: TraceAbstraction took 45256.68 ms. Allocated memory was 201.9 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 167.8 MB in the beginning and 635.4 MB in the end (delta: -467.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-08-22 18:34:23,962 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 231.92 ms. Allocated memory is still 139.5 MB. Free memory was 103.4 MB in the beginning and 94.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.35 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 94.2 MB in the beginning and 180.7 MB in the end (delta: -86.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.45 ms. Allocated memory is still 201.9 MB. Free memory was 180.7 MB in the beginning and 167.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 45256.68 ms. Allocated memory was 201.9 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 167.8 MB in the beginning and 635.4 MB in the end (delta: -467.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: 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 - ProcedureContractResult [Line: 14]: Procedure Contract for fibonacci Derived contract for procedure fibonacci: (((((((!(\old(n) <= 6) || (8 <= \result && \result <= 8)) || \old(n) <= 5) && ((!(\old(n) <= 9) || (n <= 8 && n == \old(n))) || ((\result <= 34 && n == \old(n)) && 34 <= \result))) && ((!(\old(n) <= 1) || (0 <= \result && \result <= 0)) || 0 < n)) && ((((((\result <= 3 && 3 <= \result) && 4 <= n) || (((\result <= 2 && \old(n) <= 3) && 3 <= \old(n)) && 2 <= \result)) || !(\old(n) <= 4)) || ((\old(n) <= 2 && 1 <= \result) && \result <= 1)) || \old(n) <= 0)) && (((\result <= 21 && 21 <= \result) || !(\old(n) <= 8)) || n <= 7)) && ((\old(n) <= 6 || (\result <= 13 && 13 <= \result)) || !(\old(n) <= 7))) && ((!(\old(n) <= 5) || (\result <= 5 && 5 <= \result)) || \old(n) <= 4) - ProcedureContractResult [Line: 25]: Procedure Contract for main Derived contract for procedure main: 9 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.3s, OverallIterations: 15, TraceHistogramMax: 219, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 639 SDtfs, 1446 SDslu, 3465 SDs, 0 SdLazy, 4306 SolverSat, 859 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2238 GetRequests, 1871 SyntacticMatches, 0 SemanticMatches, 367 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2559 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=9, 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, 155 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 2117 PreInvPairs, 3128 NumberOfFragments, 1635 HoareAnnotationTreeSize, 2117 FomulaSimplifications, 14321 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 11255 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...