/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 17:10:16,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:10:16,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:10:16,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:10:16,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:10:16,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:10:16,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:10:16,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:10:16,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:10:16,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:10:16,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:10:16,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:10:16,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:10:16,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:10:16,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:10:16,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:10:16,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:10:16,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:10:16,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:10:16,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:10:16,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:10:16,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:10:16,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:10:16,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:10:16,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 17:10:16,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 17:10:16,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 17:10:16,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 17:10:16,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 17:10:16,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 17:10:16,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 17:10:16,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 17:10:16,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 17:10:16,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:10:16,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:10:16,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:10:16,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 17:10:16,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:10:16,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:10:16,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:10:16,278 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:10:16,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:10:16,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:10:16,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:10:16,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:10:16,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:10:16,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:10:16,279 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:10:16,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:10:16,280 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:10:16,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:10:16,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:10:16,280 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:10:16,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:10:16,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:10:16,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:10:16,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:10:16,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:10:16,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:10:16,282 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 17:10:16,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:10:16,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:10:16,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:10:16,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:10:16,575 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:10:16,576 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-07-17 17:10:16,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3dfa2475/b19adf4241e04722afe7d5740254b6ae/FLAG068fb8165 [2020-07-17 17:10:17,121 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:10:17,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-07-17 17:10:17,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3dfa2475/b19adf4241e04722afe7d5740254b6ae/FLAG068fb8165 [2020-07-17 17:10:17,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3dfa2475/b19adf4241e04722afe7d5740254b6ae [2020-07-17 17:10:17,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:10:17,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:10:17,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:10:17,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:10:17,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:10:17,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:10:17" (1/1) ... [2020-07-17 17:10:17,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d37b509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17, skipping insertion in model container [2020-07-17 17:10:17,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:10:17" (1/1) ... [2020-07-17 17:10:17,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:10:17,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:10:17,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:10:17,802 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:10:17,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:10:17,836 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:10:17,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17 WrapperNode [2020-07-17 17:10:17,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:10:17,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:10:17,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:10:17,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:10:17,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17" (1/1) ... [2020-07-17 17:10:17,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17" (1/1) ... [2020-07-17 17:10:17,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17" (1/1) ... [2020-07-17 17:10:17,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17" (1/1) ... [2020-07-17 17:10:17,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17" (1/1) ... [2020-07-17 17:10:17,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17" (1/1) ... [2020-07-17 17:10:17,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17" (1/1) ... [2020-07-17 17:10:17,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:10:17,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:10:17,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:10:17,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:10:17,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17" (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 [2020-07-17 17:10:18,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:10:18,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:10:18,039 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-17 17:10:18,039 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-17 17:10:18,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:10:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 17:10:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:10:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-17 17:10:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-17 17:10:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:10:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:10:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:10:18,280 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:10:18,281 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 17:10:18,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:10:18 BoogieIcfgContainer [2020-07-17 17:10:18,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:10:18,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:10:18,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:10:18,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:10:18,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:10:17" (1/3) ... [2020-07-17 17:10:18,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfb312c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:10:18, skipping insertion in model container [2020-07-17 17:10:18,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:10:17" (2/3) ... [2020-07-17 17:10:18,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfb312c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:10:18, skipping insertion in model container [2020-07-17 17:10:18,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:10:18" (3/3) ... [2020-07-17 17:10:18,295 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2020-07-17 17:10:18,308 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:10:18,316 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 17:10:18,346 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 17:10:18,413 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:10:18,414 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:10:18,414 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:10:18,414 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:10:18,417 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:10:18,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:10:18,418 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:10:18,418 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:10:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-17 17:10:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-17 17:10:18,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:18,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:18,470 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:18,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:18,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-07-17 17:10:18,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:18,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454096109] [2020-07-17 17:10:18,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:10:18,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454096109] [2020-07-17 17:10:18,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:10:18,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 17:10:18,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979212405] [2020-07-17 17:10:18,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 17:10:18,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:18,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 17:10:18,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 17:10:18,740 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-07-17 17:10:18,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:18,962 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-07-17 17:10:18,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 17:10:18,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-17 17:10:18,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:18,980 INFO L225 Difference]: With dead ends: 58 [2020-07-17 17:10:18,980 INFO L226 Difference]: Without dead ends: 42 [2020-07-17 17:10:18,985 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 [2020-07-17 17:10:19,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-17 17:10:19,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-17 17:10:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-17 17:10:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-17 17:10:19,054 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-07-17 17:10:19,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:19,054 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-17 17:10:19,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 17:10:19,055 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-17 17:10:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-17 17:10:19,062 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:19,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:19,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:10:19,064 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:19,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:19,065 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-07-17 17:10:19,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:19,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075612717] [2020-07-17 17:10:19,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:10:19,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075612717] [2020-07-17 17:10:19,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:10:19,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 17:10:19,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665423669] [2020-07-17 17:10:19,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 17:10:19,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:19,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 17:10:19,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 17:10:19,165 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-07-17 17:10:19,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:19,246 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-07-17 17:10:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 17:10:19,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-17 17:10:19,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:19,249 INFO L225 Difference]: With dead ends: 50 [2020-07-17 17:10:19,249 INFO L226 Difference]: Without dead ends: 44 [2020-07-17 17:10:19,251 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 [2020-07-17 17:10:19,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-17 17:10:19,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-07-17 17:10:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-17 17:10:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-07-17 17:10:19,267 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-07-17 17:10:19,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:19,268 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-07-17 17:10:19,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 17:10:19,269 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-07-17 17:10:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-17 17:10:19,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:19,271 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:19,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 17:10:19,272 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:19,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:19,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-07-17 17:10:19,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:19,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396145817] [2020-07-17 17:10:19,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 17:10:19,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396145817] [2020-07-17 17:10:19,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:19,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-17 17:10:19,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440508024] [2020-07-17 17:10:19,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 17:10:19,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:19,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 17:10:19,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-17 17:10:19,424 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-07-17 17:10:19,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:19,539 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-07-17 17:10:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 17:10:19,541 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-17 17:10:19,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:19,542 INFO L225 Difference]: With dead ends: 82 [2020-07-17 17:10:19,543 INFO L226 Difference]: Without dead ends: 46 [2020-07-17 17:10:19,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:10:19,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-17 17:10:19,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-07-17 17:10:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-17 17:10:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-07-17 17:10:19,560 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-07-17 17:10:19,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:19,561 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-07-17 17:10:19,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 17:10:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-07-17 17:10:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-17 17:10:19,564 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:19,564 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:19,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 17:10:19,565 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:19,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:19,565 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-07-17 17:10:19,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:19,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010803393] [2020-07-17 17:10:19,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 17:10:19,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010803393] [2020-07-17 17:10:19,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:19,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-17 17:10:19,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049426633] [2020-07-17 17:10:19,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 17:10:19,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:19,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 17:10:19,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-17 17:10:19,725 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-07-17 17:10:19,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:19,957 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-07-17 17:10:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 17:10:19,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-07-17 17:10:19,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:19,962 INFO L225 Difference]: With dead ends: 74 [2020-07-17 17:10:19,962 INFO L226 Difference]: Without dead ends: 68 [2020-07-17 17:10:19,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-17 17:10:19,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-17 17:10:19,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-07-17 17:10:19,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-17 17:10:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2020-07-17 17:10:20,006 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 34 [2020-07-17 17:10:20,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:20,006 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2020-07-17 17:10:20,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 17:10:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-07-17 17:10:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-17 17:10:20,011 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:20,012 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:20,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 17:10:20,014 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:20,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:20,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-07-17 17:10:20,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:20,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962809989] [2020-07-17 17:10:20,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 17:10:20,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962809989] [2020-07-17 17:10:20,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:20,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-17 17:10:20,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059575254] [2020-07-17 17:10:20,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 17:10:20,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:20,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 17:10:20,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 17:10:20,179 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand 6 states. [2020-07-17 17:10:20,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:20,259 INFO L93 Difference]: Finished difference Result 130 states and 178 transitions. [2020-07-17 17:10:20,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 17:10:20,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-17 17:10:20,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:20,262 INFO L225 Difference]: With dead ends: 130 [2020-07-17 17:10:20,262 INFO L226 Difference]: Without dead ends: 70 [2020-07-17 17:10:20,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 17:10:20,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-17 17:10:20,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-17 17:10:20,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-17 17:10:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2020-07-17 17:10:20,281 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 50 [2020-07-17 17:10:20,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:20,281 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2020-07-17 17:10:20,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 17:10:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-07-17 17:10:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 17:10:20,284 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:20,284 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:20,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 17:10:20,285 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:20,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:20,285 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-07-17 17:10:20,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:20,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582890740] [2020-07-17 17:10:20,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-17 17:10:20,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582890740] [2020-07-17 17:10:20,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:20,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-17 17:10:20,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998776514] [2020-07-17 17:10:20,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 17:10:20,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:20,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 17:10:20,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:10:20,424 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand 8 states. [2020-07-17 17:10:20,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:20,552 INFO L93 Difference]: Finished difference Result 142 states and 197 transitions. [2020-07-17 17:10:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 17:10:20,553 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-17 17:10:20,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:20,555 INFO L225 Difference]: With dead ends: 142 [2020-07-17 17:10:20,556 INFO L226 Difference]: Without dead ends: 78 [2020-07-17 17:10:20,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:10:20,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-17 17:10:20,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2020-07-17 17:10:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-17 17:10:20,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2020-07-17 17:10:20,573 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 51 [2020-07-17 17:10:20,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:20,574 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2020-07-17 17:10:20,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 17:10:20,574 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2020-07-17 17:10:20,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 17:10:20,576 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:20,577 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:20,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 17:10:20,577 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:20,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:20,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-07-17 17:10:20,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:20,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289669793] [2020-07-17 17:10:20,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 17:10:20,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289669793] [2020-07-17 17:10:20,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:20,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-17 17:10:20,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873478360] [2020-07-17 17:10:20,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 17:10:20,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:20,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 17:10:20,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:10:20,774 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 8 states. [2020-07-17 17:10:21,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:21,009 INFO L93 Difference]: Finished difference Result 118 states and 158 transitions. [2020-07-17 17:10:21,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 17:10:21,010 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-17 17:10:21,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:21,013 INFO L225 Difference]: With dead ends: 118 [2020-07-17 17:10:21,013 INFO L226 Difference]: Without dead ends: 112 [2020-07-17 17:10:21,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:10:21,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-17 17:10:21,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2020-07-17 17:10:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-17 17:10:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions. [2020-07-17 17:10:21,039 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 52 [2020-07-17 17:10:21,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:21,040 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions. [2020-07-17 17:10:21,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 17:10:21,040 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2020-07-17 17:10:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-17 17:10:21,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:21,043 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:21,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 17:10:21,043 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:21,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:21,044 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-07-17 17:10:21,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:21,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199074932] [2020-07-17 17:10:21,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-17 17:10:21,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199074932] [2020-07-17 17:10:21,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:21,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-17 17:10:21,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569329031] [2020-07-17 17:10:21,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 17:10:21,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:21,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 17:10:21,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:10:21,206 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand 8 states. [2020-07-17 17:10:21,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:21,367 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-07-17 17:10:21,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 17:10:21,368 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-07-17 17:10:21,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:21,372 INFO L225 Difference]: With dead ends: 227 [2020-07-17 17:10:21,373 INFO L226 Difference]: Without dead ends: 127 [2020-07-17 17:10:21,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:10:21,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-17 17:10:21,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-07-17 17:10:21,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-17 17:10:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2020-07-17 17:10:21,406 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 69 [2020-07-17 17:10:21,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:21,407 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2020-07-17 17:10:21,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 17:10:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2020-07-17 17:10:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-17 17:10:21,410 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:21,410 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:21,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 17:10:21,411 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:21,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:21,412 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-07-17 17:10:21,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:21,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961728242] [2020-07-17 17:10:21,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-17 17:10:21,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961728242] [2020-07-17 17:10:21,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:21,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-17 17:10:21,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432403497] [2020-07-17 17:10:21,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 17:10:21,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:21,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 17:10:21,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:10:21,637 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand 10 states. [2020-07-17 17:10:21,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:21,924 INFO L93 Difference]: Finished difference Result 257 states and 400 transitions. [2020-07-17 17:10:21,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 17:10:21,925 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-17 17:10:21,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:21,931 INFO L225 Difference]: With dead ends: 257 [2020-07-17 17:10:21,931 INFO L226 Difference]: Without dead ends: 151 [2020-07-17 17:10:21,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-07-17 17:10:21,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-17 17:10:21,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 133. [2020-07-17 17:10:21,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-17 17:10:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 191 transitions. [2020-07-17 17:10:22,002 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 191 transitions. Word has length 70 [2020-07-17 17:10:22,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:22,003 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 191 transitions. [2020-07-17 17:10:22,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 17:10:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2020-07-17 17:10:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-17 17:10:22,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:22,007 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:22,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 17:10:22,008 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:22,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:22,009 INFO L82 PathProgramCache]: Analyzing trace with hash 307755032, now seen corresponding path program 2 times [2020-07-17 17:10:22,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:22,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107890381] [2020-07-17 17:10:22,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 36 proven. 59 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-17 17:10:22,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107890381] [2020-07-17 17:10:22,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:22,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-17 17:10:22,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506489819] [2020-07-17 17:10:22,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 17:10:22,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:22,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 17:10:22,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-17 17:10:22,333 INFO L87 Difference]: Start difference. First operand 133 states and 191 transitions. Second operand 12 states. [2020-07-17 17:10:22,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:22,851 INFO L93 Difference]: Finished difference Result 265 states and 420 transitions. [2020-07-17 17:10:22,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-17 17:10:22,855 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-07-17 17:10:22,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:22,864 INFO L225 Difference]: With dead ends: 265 [2020-07-17 17:10:22,864 INFO L226 Difference]: Without dead ends: 116 [2020-07-17 17:10:22,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-07-17 17:10:22,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-17 17:10:22,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 95. [2020-07-17 17:10:22,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-17 17:10:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2020-07-17 17:10:22,905 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 105 [2020-07-17 17:10:22,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:22,905 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2020-07-17 17:10:22,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 17:10:22,906 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2020-07-17 17:10:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-17 17:10:22,914 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:22,914 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:22,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 17:10:22,915 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:22,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:22,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1534580400, now seen corresponding path program 1 times [2020-07-17 17:10:22,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:22,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478968845] [2020-07-17 17:10:22,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 50 proven. 67 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-17 17:10:23,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478968845] [2020-07-17 17:10:23,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:23,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-17 17:10:23,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31322035] [2020-07-17 17:10:23,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 17:10:23,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:23,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 17:10:23,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:10:23,252 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand 10 states. [2020-07-17 17:10:23,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:23,442 INFO L93 Difference]: Finished difference Result 193 states and 255 transitions. [2020-07-17 17:10:23,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 17:10:23,443 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-07-17 17:10:23,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:23,445 INFO L225 Difference]: With dead ends: 193 [2020-07-17 17:10:23,445 INFO L226 Difference]: Without dead ends: 105 [2020-07-17 17:10:23,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-07-17 17:10:23,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-07-17 17:10:23,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-07-17 17:10:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-17 17:10:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2020-07-17 17:10:23,463 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 123 [2020-07-17 17:10:23,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:23,465 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2020-07-17 17:10:23,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 17:10:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-07-17 17:10:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-17 17:10:23,467 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:23,467 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:23,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 17:10:23,468 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:23,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:23,468 INFO L82 PathProgramCache]: Analyzing trace with hash 822116120, now seen corresponding path program 2 times [2020-07-17 17:10:23,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:23,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099959015] [2020-07-17 17:10:23,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 72 proven. 111 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-07-17 17:10:23,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099959015] [2020-07-17 17:10:23,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:23,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-17 17:10:23,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108393555] [2020-07-17 17:10:23,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 17:10:23,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:23,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 17:10:23,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-17 17:10:23,895 INFO L87 Difference]: Start difference. First operand 105 states and 127 transitions. Second operand 12 states. [2020-07-17 17:10:24,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:24,449 INFO L93 Difference]: Finished difference Result 241 states and 326 transitions. [2020-07-17 17:10:24,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 17:10:24,450 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 140 [2020-07-17 17:10:24,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:24,453 INFO L225 Difference]: With dead ends: 241 [2020-07-17 17:10:24,454 INFO L226 Difference]: Without dead ends: 141 [2020-07-17 17:10:24,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-07-17 17:10:24,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-17 17:10:24,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 123. [2020-07-17 17:10:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-17 17:10:24,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 149 transitions. [2020-07-17 17:10:24,488 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 149 transitions. Word has length 140 [2020-07-17 17:10:24,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:24,488 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 149 transitions. [2020-07-17 17:10:24,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 17:10:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 149 transitions. [2020-07-17 17:10:24,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-17 17:10:24,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:24,491 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:24,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 17:10:24,492 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:24,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:24,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1260071360, now seen corresponding path program 2 times [2020-07-17 17:10:24,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:24,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1284099064] [2020-07-17 17:10:24,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 26 proven. 126 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-07-17 17:10:24,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1284099064] [2020-07-17 17:10:24,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:24,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-17 17:10:24,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032503216] [2020-07-17 17:10:24,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 17:10:24,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:24,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 17:10:24,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:10:24,878 INFO L87 Difference]: Start difference. First operand 123 states and 149 transitions. Second operand 10 states. [2020-07-17 17:10:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:25,211 INFO L93 Difference]: Finished difference Result 244 states and 326 transitions. [2020-07-17 17:10:25,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 17:10:25,212 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2020-07-17 17:10:25,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:25,219 INFO L225 Difference]: With dead ends: 244 [2020-07-17 17:10:25,220 INFO L226 Difference]: Without dead ends: 238 [2020-07-17 17:10:25,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-07-17 17:10:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-07-17 17:10:25,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 213. [2020-07-17 17:10:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-07-17 17:10:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 287 transitions. [2020-07-17 17:10:25,269 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 287 transitions. Word has length 140 [2020-07-17 17:10:25,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:25,270 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 287 transitions. [2020-07-17 17:10:25,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 17:10:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 287 transitions. [2020-07-17 17:10:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-17 17:10:25,274 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:25,275 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:25,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-17 17:10:25,275 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:25,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:25,276 INFO L82 PathProgramCache]: Analyzing trace with hash -88380307, now seen corresponding path program 3 times [2020-07-17 17:10:25,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:25,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564665658] [2020-07-17 17:10:25,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:25,908 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 179 proven. 163 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-07-17 17:10:25,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564665658] [2020-07-17 17:10:25,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:25,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-17 17:10:25,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968066140] [2020-07-17 17:10:25,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 17:10:25,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:25,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 17:10:25,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-07-17 17:10:25,913 INFO L87 Difference]: Start difference. First operand 213 states and 287 transitions. Second operand 14 states. [2020-07-17 17:10:26,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:26,451 INFO L93 Difference]: Finished difference Result 470 states and 677 transitions. [2020-07-17 17:10:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-17 17:10:26,452 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 193 [2020-07-17 17:10:26,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:26,459 INFO L225 Difference]: With dead ends: 470 [2020-07-17 17:10:26,459 INFO L226 Difference]: Without dead ends: 257 [2020-07-17 17:10:26,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-07-17 17:10:26,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-07-17 17:10:26,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 233. [2020-07-17 17:10:26,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-07-17 17:10:26,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 310 transitions. [2020-07-17 17:10:26,501 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 310 transitions. Word has length 193 [2020-07-17 17:10:26,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:26,502 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 310 transitions. [2020-07-17 17:10:26,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 17:10:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 310 transitions. [2020-07-17 17:10:26,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-07-17 17:10:26,508 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:26,508 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:26,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-17 17:10:26,509 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:26,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:26,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1293350858, now seen corresponding path program 4 times [2020-07-17 17:10:26,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:26,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499476270] [2020-07-17 17:10:26,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 199 proven. 672 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2020-07-17 17:10:27,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499476270] [2020-07-17 17:10:27,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:27,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-17 17:10:27,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827183778] [2020-07-17 17:10:27,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 17:10:27,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:27,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 17:10:27,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-07-17 17:10:27,269 INFO L87 Difference]: Start difference. First operand 233 states and 310 transitions. Second operand 14 states. [2020-07-17 17:10:27,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:27,966 INFO L93 Difference]: Finished difference Result 541 states and 798 transitions. [2020-07-17 17:10:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-17 17:10:27,967 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 351 [2020-07-17 17:10:27,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:27,974 INFO L225 Difference]: With dead ends: 541 [2020-07-17 17:10:27,975 INFO L226 Difference]: Without dead ends: 308 [2020-07-17 17:10:27,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-07-17 17:10:27,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-07-17 17:10:28,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 269. [2020-07-17 17:10:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-07-17 17:10:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 359 transitions. [2020-07-17 17:10:28,024 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 359 transitions. Word has length 351 [2020-07-17 17:10:28,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:28,025 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 359 transitions. [2020-07-17 17:10:28,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 17:10:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 359 transitions. [2020-07-17 17:10:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-17 17:10:28,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:28,031 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:28,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-17 17:10:28,032 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:28,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:28,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1117162661, now seen corresponding path program 5 times [2020-07-17 17:10:28,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:28,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30239795] [2020-07-17 17:10:28,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 60 proven. 311 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2020-07-17 17:10:28,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [30239795] [2020-07-17 17:10:28,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:28,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 17:10:28,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183652641] [2020-07-17 17:10:28,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:10:28,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:28,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:10:28,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:10:28,502 INFO L87 Difference]: Start difference. First operand 269 states and 359 transitions. Second operand 11 states. [2020-07-17 17:10:28,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:28,879 INFO L93 Difference]: Finished difference Result 530 states and 743 transitions. [2020-07-17 17:10:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 17:10:28,880 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2020-07-17 17:10:28,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:28,894 INFO L225 Difference]: With dead ends: 530 [2020-07-17 17:10:28,894 INFO L226 Difference]: Without dead ends: 524 [2020-07-17 17:10:28,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-07-17 17:10:28,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-07-17 17:10:28,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 499. [2020-07-17 17:10:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-07-17 17:10:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 696 transitions. [2020-07-17 17:10:28,977 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 696 transitions. Word has length 228 [2020-07-17 17:10:28,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:28,977 INFO L479 AbstractCegarLoop]: Abstraction has 499 states and 696 transitions. [2020-07-17 17:10:28,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:10:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 696 transitions. [2020-07-17 17:10:28,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2020-07-17 17:10:28,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:28,993 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 26, 26, 25, 22, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 8, 8, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:28,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-17 17:10:28,993 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:28,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:28,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1689130430, now seen corresponding path program 6 times [2020-07-17 17:10:28,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:28,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603379819] [2020-07-17 17:10:28,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4744 backedges. 268 proven. 732 refuted. 0 times theorem prover too weak. 3744 trivial. 0 not checked. [2020-07-17 17:10:30,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603379819] [2020-07-17 17:10:30,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:30,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 17:10:30,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777712163] [2020-07-17 17:10:30,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:10:30,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:30,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:10:30,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:10:30,308 INFO L87 Difference]: Start difference. First operand 499 states and 696 transitions. Second operand 11 states. [2020-07-17 17:10:30,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:30,701 INFO L93 Difference]: Finished difference Result 987 states and 1429 transitions. [2020-07-17 17:10:30,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 17:10:30,701 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 495 [2020-07-17 17:10:30,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:30,712 INFO L225 Difference]: With dead ends: 987 [2020-07-17 17:10:30,712 INFO L226 Difference]: Without dead ends: 501 [2020-07-17 17:10:30,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-17 17:10:30,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-07-17 17:10:30,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 489. [2020-07-17 17:10:30,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-07-17 17:10:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 671 transitions. [2020-07-17 17:10:30,796 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 671 transitions. Word has length 495 [2020-07-17 17:10:30,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:30,797 INFO L479 AbstractCegarLoop]: Abstraction has 489 states and 671 transitions. [2020-07-17 17:10:30,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:10:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 671 transitions. [2020-07-17 17:10:30,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2020-07-17 17:10:30,815 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:30,815 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 29, 29, 26, 25, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 8, 8, 8, 8, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:30,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-17 17:10:30,816 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:30,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:30,816 INFO L82 PathProgramCache]: Analyzing trace with hash -162868606, now seen corresponding path program 7 times [2020-07-17 17:10:30,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:30,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935162195] [2020-07-17 17:10:30,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6210 backedges. 1314 proven. 1694 refuted. 0 times theorem prover too weak. 3202 trivial. 0 not checked. [2020-07-17 17:10:32,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935162195] [2020-07-17 17:10:32,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:32,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-07-17 17:10:32,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113001453] [2020-07-17 17:10:32,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-17 17:10:32,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:32,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-17 17:10:32,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-07-17 17:10:32,654 INFO L87 Difference]: Start difference. First operand 489 states and 671 transitions. Second operand 16 states. [2020-07-17 17:10:33,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:33,679 INFO L93 Difference]: Finished difference Result 892 states and 1362 transitions. [2020-07-17 17:10:33,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-17 17:10:33,680 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 563 [2020-07-17 17:10:33,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:33,693 INFO L225 Difference]: With dead ends: 892 [2020-07-17 17:10:33,694 INFO L226 Difference]: Without dead ends: 401 [2020-07-17 17:10:33,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=1004, Unknown=0, NotChecked=0, Total=1190 [2020-07-17 17:10:33,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-07-17 17:10:33,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 343. [2020-07-17 17:10:33,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-07-17 17:10:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 463 transitions. [2020-07-17 17:10:33,767 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 463 transitions. Word has length 563 [2020-07-17 17:10:33,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:33,796 INFO L479 AbstractCegarLoop]: Abstraction has 343 states and 463 transitions. [2020-07-17 17:10:33,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-17 17:10:33,797 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 463 transitions. [2020-07-17 17:10:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2020-07-17 17:10:33,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:33,801 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 18, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:33,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-17 17:10:33,802 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:33,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:33,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1725201844, now seen corresponding path program 8 times [2020-07-17 17:10:33,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:33,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24616645] [2020-07-17 17:10:33,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 280 proven. 716 refuted. 0 times theorem prover too weak. 1812 trivial. 0 not checked. [2020-07-17 17:10:34,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24616645] [2020-07-17 17:10:34,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:34,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-17 17:10:34,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135631074] [2020-07-17 17:10:34,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 17:10:34,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:34,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 17:10:34,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-07-17 17:10:34,806 INFO L87 Difference]: Start difference. First operand 343 states and 463 transitions. Second operand 14 states. [2020-07-17 17:10:35,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:35,415 INFO L93 Difference]: Finished difference Result 707 states and 995 transitions. [2020-07-17 17:10:35,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 17:10:35,416 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 387 [2020-07-17 17:10:35,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:35,423 INFO L225 Difference]: With dead ends: 707 [2020-07-17 17:10:35,423 INFO L226 Difference]: Without dead ends: 385 [2020-07-17 17:10:35,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-07-17 17:10:35,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-07-17 17:10:35,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 353. [2020-07-17 17:10:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-07-17 17:10:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 465 transitions. [2020-07-17 17:10:35,484 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 465 transitions. Word has length 387 [2020-07-17 17:10:35,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:35,484 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 465 transitions. [2020-07-17 17:10:35,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 17:10:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 465 transitions. [2020-07-17 17:10:35,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-07-17 17:10:35,488 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:35,488 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:35,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-17 17:10:35,489 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:35,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:35,490 INFO L82 PathProgramCache]: Analyzing trace with hash 549243331, now seen corresponding path program 9 times [2020-07-17 17:10:35,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:35,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311801710] [2020-07-17 17:10:35,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:36,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2534 backedges. 130 proven. 672 refuted. 0 times theorem prover too weak. 1732 trivial. 0 not checked. [2020-07-17 17:10:36,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311801710] [2020-07-17 17:10:36,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:36,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-17 17:10:36,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109469826] [2020-07-17 17:10:36,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 17:10:36,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:36,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 17:10:36,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-17 17:10:36,378 INFO L87 Difference]: Start difference. First operand 353 states and 465 transitions. Second operand 12 states. [2020-07-17 17:10:36,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:36,834 INFO L93 Difference]: Finished difference Result 768 states and 1052 transitions. [2020-07-17 17:10:36,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-17 17:10:36,835 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 369 [2020-07-17 17:10:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:36,847 INFO L225 Difference]: With dead ends: 768 [2020-07-17 17:10:36,848 INFO L226 Difference]: Without dead ends: 762 [2020-07-17 17:10:36,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-07-17 17:10:36,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-07-17 17:10:36,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 727. [2020-07-17 17:10:36,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2020-07-17 17:10:36,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 994 transitions. [2020-07-17 17:10:36,968 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 994 transitions. Word has length 369 [2020-07-17 17:10:36,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:36,969 INFO L479 AbstractCegarLoop]: Abstraction has 727 states and 994 transitions. [2020-07-17 17:10:36,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 17:10:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 994 transitions. [2020-07-17 17:10:36,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-07-17 17:10:36,986 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:36,986 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 32, 32, 27, 27, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 11, 11, 10, 10, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:36,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-17 17:10:36,987 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:36,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:36,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1058675901, now seen corresponding path program 10 times [2020-07-17 17:10:36,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:36,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238127478] [2020-07-17 17:10:36,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6996 backedges. 747 proven. 1629 refuted. 0 times theorem prover too weak. 4620 trivial. 0 not checked. [2020-07-17 17:10:39,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1238127478] [2020-07-17 17:10:39,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:39,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-17 17:10:39,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335954455] [2020-07-17 17:10:39,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 17:10:39,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:39,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 17:10:39,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-07-17 17:10:39,147 INFO L87 Difference]: Start difference. First operand 727 states and 994 transitions. Second operand 18 states. [2020-07-17 17:10:40,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:40,343 INFO L93 Difference]: Finished difference Result 1274 states and 1932 transitions. [2020-07-17 17:10:40,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-17 17:10:40,344 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 598 [2020-07-17 17:10:40,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:40,358 INFO L225 Difference]: With dead ends: 1274 [2020-07-17 17:10:40,359 INFO L226 Difference]: Without dead ends: 549 [2020-07-17 17:10:40,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-07-17 17:10:40,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-07-17 17:10:40,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 472. [2020-07-17 17:10:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-07-17 17:10:40,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 649 transitions. [2020-07-17 17:10:40,490 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 649 transitions. Word has length 598 [2020-07-17 17:10:40,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:40,490 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 649 transitions. [2020-07-17 17:10:40,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 17:10:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 649 transitions. [2020-07-17 17:10:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2020-07-17 17:10:40,497 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:40,498 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 24, 24, 21, 20, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 7, 7, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:40,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-07-17 17:10:40,498 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:40,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:40,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1301977474, now seen corresponding path program 11 times [2020-07-17 17:10:40,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:40,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163596970] [2020-07-17 17:10:40,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3994 backedges. 540 proven. 923 refuted. 0 times theorem prover too weak. 2531 trivial. 0 not checked. [2020-07-17 17:10:41,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163596970] [2020-07-17 17:10:41,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:41,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-07-17 17:10:41,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348855054] [2020-07-17 17:10:41,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-17 17:10:41,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:41,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-17 17:10:41,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-07-17 17:10:41,724 INFO L87 Difference]: Start difference. First operand 472 states and 649 transitions. Second operand 16 states. [2020-07-17 17:10:42,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:42,488 INFO L93 Difference]: Finished difference Result 962 states and 1382 transitions. [2020-07-17 17:10:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-17 17:10:42,489 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 457 [2020-07-17 17:10:42,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:42,503 INFO L225 Difference]: With dead ends: 962 [2020-07-17 17:10:42,503 INFO L226 Difference]: Without dead ends: 512 [2020-07-17 17:10:42,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-07-17 17:10:42,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-07-17 17:10:42,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 447. [2020-07-17 17:10:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-07-17 17:10:42,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 597 transitions. [2020-07-17 17:10:42,570 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 597 transitions. Word has length 457 [2020-07-17 17:10:42,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:42,572 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 597 transitions. [2020-07-17 17:10:42,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-17 17:10:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 597 transitions. [2020-07-17 17:10:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-07-17 17:10:42,578 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:42,579 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 27, 27, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 11, 11, 10, 10, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:42,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-07-17 17:10:42,579 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:42,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash -425442147, now seen corresponding path program 12 times [2020-07-17 17:10:42,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:42,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927642208] [2020-07-17 17:10:42,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6986 backedges. 254 proven. 1363 refuted. 0 times theorem prover too weak. 5369 trivial. 0 not checked. [2020-07-17 17:10:44,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927642208] [2020-07-17 17:10:44,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:44,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-17 17:10:44,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48767881] [2020-07-17 17:10:44,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 17:10:44,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:44,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 17:10:44,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-17 17:10:44,502 INFO L87 Difference]: Start difference. First operand 447 states and 597 transitions. Second operand 13 states. [2020-07-17 17:10:45,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:45,003 INFO L93 Difference]: Finished difference Result 1021 states and 1439 transitions. [2020-07-17 17:10:45,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 17:10:45,004 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 598 [2020-07-17 17:10:45,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:45,025 INFO L225 Difference]: With dead ends: 1021 [2020-07-17 17:10:45,025 INFO L226 Difference]: Without dead ends: 1015 [2020-07-17 17:10:45,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-07-17 17:10:45,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-07-17 17:10:45,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 976. [2020-07-17 17:10:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2020-07-17 17:10:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1371 transitions. [2020-07-17 17:10:45,167 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1371 transitions. Word has length 598 [2020-07-17 17:10:45,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:45,168 INFO L479 AbstractCegarLoop]: Abstraction has 976 states and 1371 transitions. [2020-07-17 17:10:45,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 17:10:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1371 transitions. [2020-07-17 17:10:45,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 916 [2020-07-17 17:10:45,186 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:45,186 INFO L422 BasicCegarLoop]: trace histogram [54, 54, 49, 49, 42, 41, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 18, 18, 14, 14, 12, 12, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:45,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-07-17 17:10:45,187 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:45,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:45,188 INFO L82 PathProgramCache]: Analyzing trace with hash -606325746, now seen corresponding path program 13 times [2020-07-17 17:10:45,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:45,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87033698] [2020-07-17 17:10:45,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 16836 backedges. 771 proven. 2779 refuted. 0 times theorem prover too weak. 13286 trivial. 0 not checked. [2020-07-17 17:10:48,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87033698] [2020-07-17 17:10:48,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:48,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-07-17 17:10:48,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317682546] [2020-07-17 17:10:48,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-17 17:10:48,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:48,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-17 17:10:48,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-07-17 17:10:48,713 INFO L87 Difference]: Start difference. First operand 976 states and 1371 transitions. Second operand 16 states. [2020-07-17 17:10:49,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:49,534 INFO L93 Difference]: Finished difference Result 2019 states and 3000 transitions. [2020-07-17 17:10:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-17 17:10:49,535 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 915 [2020-07-17 17:10:49,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:49,562 INFO L225 Difference]: With dead ends: 2019 [2020-07-17 17:10:49,563 INFO L226 Difference]: Without dead ends: 1065 [2020-07-17 17:10:49,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-07-17 17:10:49,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-07-17 17:10:49,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1051. [2020-07-17 17:10:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2020-07-17 17:10:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1475 transitions. [2020-07-17 17:10:49,711 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1475 transitions. Word has length 915 [2020-07-17 17:10:49,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:49,712 INFO L479 AbstractCegarLoop]: Abstraction has 1051 states and 1475 transitions. [2020-07-17 17:10:49,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-17 17:10:49,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1475 transitions. [2020-07-17 17:10:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-07-17 17:10:49,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:49,729 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 17, 17, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:49,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-07-17 17:10:49,730 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:49,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:49,731 INFO L82 PathProgramCache]: Analyzing trace with hash -691827875, now seen corresponding path program 14 times [2020-07-17 17:10:49,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:49,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428551253] [2020-07-17 17:10:49,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 18842 backedges. 472 proven. 2641 refuted. 0 times theorem prover too weak. 15729 trivial. 0 not checked. [2020-07-17 17:10:53,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428551253] [2020-07-17 17:10:53,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:10:53,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-17 17:10:53,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737088956] [2020-07-17 17:10:53,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 17:10:53,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:10:53,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 17:10:53,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-07-17 17:10:53,873 INFO L87 Difference]: Start difference. First operand 1051 states and 1475 transitions. Second operand 14 states. [2020-07-17 17:10:54,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:10:54,478 INFO L93 Difference]: Finished difference Result 2169 states and 3156 transitions. [2020-07-17 17:10:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-17 17:10:54,479 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 968 [2020-07-17 17:10:54,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:10:54,524 INFO L225 Difference]: With dead ends: 2169 [2020-07-17 17:10:54,525 INFO L226 Difference]: Without dead ends: 2163 [2020-07-17 17:10:54,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-07-17 17:10:54,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2163 states. [2020-07-17 17:10:54,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2163 to 2120. [2020-07-17 17:10:54,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2120 states. [2020-07-17 17:10:54,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 2120 states and 3081 transitions. [2020-07-17 17:10:54,847 INFO L78 Accepts]: Start accepts. Automaton has 2120 states and 3081 transitions. Word has length 968 [2020-07-17 17:10:54,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:10:54,848 INFO L479 AbstractCegarLoop]: Abstraction has 2120 states and 3081 transitions. [2020-07-17 17:10:54,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 17:10:54,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 3081 transitions. [2020-07-17 17:10:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1392 [2020-07-17 17:10:54,883 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:10:54,884 INFO L422 BasicCegarLoop]: trace histogram [79, 79, 78, 78, 64, 63, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 25, 25, 24, 24, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:10:54,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-07-17 17:10:54,884 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:10:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:10:54,885 INFO L82 PathProgramCache]: Analyzing trace with hash -987324160, now seen corresponding path program 15 times [2020-07-17 17:10:54,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:10:54,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813762532] [2020-07-17 17:10:54,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:10:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:10:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 39465 backedges. 1486 proven. 5152 refuted. 0 times theorem prover too weak. 32827 trivial. 0 not checked. [2020-07-17 17:11:02,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813762532] [2020-07-17 17:11:02,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:11:02,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-17 17:11:02,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033384970] [2020-07-17 17:11:02,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 17:11:02,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:11:02,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 17:11:02,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-07-17 17:11:02,780 INFO L87 Difference]: Start difference. First operand 2120 states and 3081 transitions. Second operand 18 states. [2020-07-17 17:11:04,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:11:04,020 INFO L93 Difference]: Finished difference Result 4568 states and 7054 transitions. [2020-07-17 17:11:04,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-17 17:11:04,021 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1391 [2020-07-17 17:11:04,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:11:04,090 INFO L225 Difference]: With dead ends: 4568 [2020-07-17 17:11:04,091 INFO L226 Difference]: Without dead ends: 2470 [2020-07-17 17:11:04,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-07-17 17:11:04,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2470 states. [2020-07-17 17:11:04,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2470 to 2114. [2020-07-17 17:11:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2020-07-17 17:11:04,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3012 transitions. [2020-07-17 17:11:04,553 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3012 transitions. Word has length 1391 [2020-07-17 17:11:04,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:11:04,554 INFO L479 AbstractCegarLoop]: Abstraction has 2114 states and 3012 transitions. [2020-07-17 17:11:04,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 17:11:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3012 transitions. [2020-07-17 17:11:04,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2079 [2020-07-17 17:11:04,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:11:04,653 INFO L422 BasicCegarLoop]: trace histogram [118, 118, 117, 117, 95, 95, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 37, 37, 36, 36, 23, 23, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:11:04,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-07-17 17:11:04,653 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:11:04,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:11:04,655 INFO L82 PathProgramCache]: Analyzing trace with hash -681845381, now seen corresponding path program 16 times [2020-07-17 17:11:04,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:11:04,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588834072] [2020-07-17 17:11:04,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:11:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:16,827 INFO L134 CoverageAnalysis]: Checked inductivity of 89014 backedges. 2296 proven. 8947 refuted. 0 times theorem prover too weak. 77771 trivial. 0 not checked. [2020-07-17 17:11:16,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588834072] [2020-07-17 17:11:16,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:11:16,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-07-17 17:11:16,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923106602] [2020-07-17 17:11:16,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 17:11:16,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:11:16,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 17:11:16,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-07-17 17:11:16,832 INFO L87 Difference]: Start difference. First operand 2114 states and 3012 transitions. Second operand 20 states. [2020-07-17 17:11:18,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:11:18,208 INFO L93 Difference]: Finished difference Result 4978 states and 7865 transitions. [2020-07-17 17:11:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-17 17:11:18,209 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 2078 [2020-07-17 17:11:18,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:11:18,269 INFO L225 Difference]: With dead ends: 4978 [2020-07-17 17:11:18,269 INFO L226 Difference]: Without dead ends: 2886 [2020-07-17 17:11:18,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=1719, Unknown=0, NotChecked=0, Total=1980 [2020-07-17 17:11:18,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-07-17 17:11:18,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2462. [2020-07-17 17:11:18,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2462 states. [2020-07-17 17:11:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2462 states and 3554 transitions. [2020-07-17 17:11:18,729 INFO L78 Accepts]: Start accepts. Automaton has 2462 states and 3554 transitions. Word has length 2078 [2020-07-17 17:11:18,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:11:18,731 INFO L479 AbstractCegarLoop]: Abstraction has 2462 states and 3554 transitions. [2020-07-17 17:11:18,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 17:11:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 3554 transitions. [2020-07-17 17:11:18,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2020-07-17 17:11:18,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:11:18,802 INFO L422 BasicCegarLoop]: trace histogram [110, 110, 109, 109, 89, 88, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 34, 34, 34, 34, 22, 22, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:11:18,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-07-17 17:11:18,803 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:11:18,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:11:18,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1120713832, now seen corresponding path program 17 times [2020-07-17 17:11:18,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:11:18,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596616888] [2020-07-17 17:11:18,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:11:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 77223 backedges. 4361 proven. 8344 refuted. 0 times theorem prover too weak. 64518 trivial. 0 not checked. [2020-07-17 17:11:28,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596616888] [2020-07-17 17:11:28,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:11:28,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-07-17 17:11:28,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141928139] [2020-07-17 17:11:28,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 17:11:28,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:11:28,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 17:11:28,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2020-07-17 17:11:28,400 INFO L87 Difference]: Start difference. First operand 2462 states and 3554 transitions. Second operand 24 states. [2020-07-17 17:11:30,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:11:30,474 INFO L93 Difference]: Finished difference Result 3010 states and 4604 transitions. [2020-07-17 17:11:30,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-07-17 17:11:30,475 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1937 [2020-07-17 17:11:30,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:11:30,499 INFO L225 Difference]: With dead ends: 3010 [2020-07-17 17:11:30,499 INFO L226 Difference]: Without dead ends: 395 [2020-07-17 17:11:30,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=523, Invalid=3767, Unknown=0, NotChecked=0, Total=4290 [2020-07-17 17:11:30,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-07-17 17:11:30,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 318. [2020-07-17 17:11:30,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-07-17 17:11:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 451 transitions. [2020-07-17 17:11:30,589 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 451 transitions. Word has length 1937 [2020-07-17 17:11:30,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:11:30,592 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 451 transitions. [2020-07-17 17:11:30,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 17:11:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 451 transitions. [2020-07-17 17:11:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2020-07-17 17:11:30,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:11:30,626 INFO L422 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 61, 61, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 24, 24, 23, 23, 15, 15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:11:30,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-07-17 17:11:30,626 INFO L427 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:11:30,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:11:30,627 INFO L82 PathProgramCache]: Analyzing trace with hash -2016827259, now seen corresponding path program 18 times [2020-07-17 17:11:30,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:11:30,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708869337] [2020-07-17 17:11:30,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:11:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 36468 backedges. 3397 proven. 4153 refuted. 0 times theorem prover too weak. 28918 trivial. 0 not checked. [2020-07-17 17:11:36,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708869337] [2020-07-17 17:11:36,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:11:36,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-07-17 17:11:36,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626440094] [2020-07-17 17:11:36,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-17 17:11:36,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:11:36,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-17 17:11:36,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-07-17 17:11:36,070 INFO L87 Difference]: Start difference. First operand 318 states and 451 transitions. Second operand 22 states. [2020-07-17 17:11:37,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:11:37,483 INFO L93 Difference]: Finished difference Result 671 states and 1010 transitions. [2020-07-17 17:11:37,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-07-17 17:11:37,484 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1338 [2020-07-17 17:11:37,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:11:37,492 INFO L225 Difference]: With dead ends: 671 [2020-07-17 17:11:37,493 INFO L226 Difference]: Without dead ends: 383 [2020-07-17 17:11:37,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=343, Invalid=2413, Unknown=0, NotChecked=0, Total=2756 [2020-07-17 17:11:37,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-07-17 17:11:37,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 326. [2020-07-17 17:11:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-07-17 17:11:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 460 transitions. [2020-07-17 17:11:37,537 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 460 transitions. Word has length 1338 [2020-07-17 17:11:37,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:11:37,539 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 460 transitions. [2020-07-17 17:11:37,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-17 17:11:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 460 transitions. [2020-07-17 17:11:37,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1480 [2020-07-17 17:11:37,561 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:11:37,561 INFO L422 BasicCegarLoop]: trace histogram [84, 84, 83, 83, 68, 67, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 26, 26, 26, 26, 17, 17, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:11:37,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-07-17 17:11:37,562 INFO L427 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:11:37,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:11:37,563 INFO L82 PathProgramCache]: Analyzing trace with hash -635350965, now seen corresponding path program 19 times [2020-07-17 17:11:37,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:11:37,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378396458] [2020-07-17 17:11:37,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:11:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 44703 backedges. 5938 proven. 4796 refuted. 0 times theorem prover too weak. 33969 trivial. 0 not checked. [2020-07-17 17:11:43,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378396458] [2020-07-17 17:11:43,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:11:43,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-07-17 17:11:43,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011121937] [2020-07-17 17:11:43,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-17 17:11:43,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:11:43,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-17 17:11:43,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2020-07-17 17:11:43,657 INFO L87 Difference]: Start difference. First operand 326 states and 460 transitions. Second operand 28 states. [2020-07-17 17:11:45,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:11:45,666 INFO L93 Difference]: Finished difference Result 750 states and 1163 transitions. [2020-07-17 17:11:45,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-17 17:11:45,666 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 1479 [2020-07-17 17:11:45,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:11:45,674 INFO L225 Difference]: With dead ends: 750 [2020-07-17 17:11:45,674 INFO L226 Difference]: Without dead ends: 454 [2020-07-17 17:11:45,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 941 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=446, Invalid=3214, Unknown=0, NotChecked=0, Total=3660 [2020-07-17 17:11:45,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-07-17 17:11:45,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 380. [2020-07-17 17:11:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-07-17 17:11:45,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 577 transitions. [2020-07-17 17:11:45,726 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 577 transitions. Word has length 1479 [2020-07-17 17:11:45,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:11:45,727 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 577 transitions. [2020-07-17 17:11:45,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-17 17:11:45,728 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 577 transitions. [2020-07-17 17:11:45,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1568 [2020-07-17 17:11:45,752 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:11:45,753 INFO L422 BasicCegarLoop]: trace histogram [89, 89, 88, 88, 72, 71, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 28, 28, 27, 27, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:11:45,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-07-17 17:11:45,753 INFO L427 AbstractCegarLoop]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:11:45,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:11:45,754 INFO L82 PathProgramCache]: Analyzing trace with hash -907298512, now seen corresponding path program 20 times [2020-07-17 17:11:45,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:11:45,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431485631] [2020-07-17 17:11:45,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:11:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:11:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 50262 backedges. 0 proven. 18854 refuted. 0 times theorem prover too weak. 31408 trivial. 0 not checked. [2020-07-17 17:11:59,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431485631] [2020-07-17 17:11:59,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:11:59,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-07-17 17:11:59,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961199799] [2020-07-17 17:11:59,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-07-17 17:11:59,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:11:59,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-07-17 17:11:59,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2020-07-17 17:11:59,072 INFO L87 Difference]: Start difference. First operand 380 states and 577 transitions. Second operand 52 states. [2020-07-17 17:12:03,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:12:03,698 INFO L93 Difference]: Finished difference Result 407 states and 624 transitions. [2020-07-17 17:12:03,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-07-17 17:12:03,699 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 1567 [2020-07-17 17:12:03,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:12:03,706 INFO L225 Difference]: With dead ends: 407 [2020-07-17 17:12:03,706 INFO L226 Difference]: Without dead ends: 401 [2020-07-17 17:12:03,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 754 GetRequests, 663 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=305, Invalid=8251, Unknown=0, NotChecked=0, Total=8556 [2020-07-17 17:12:03,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-07-17 17:12:03,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 388. [2020-07-17 17:12:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-07-17 17:12:03,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 596 transitions. [2020-07-17 17:12:03,775 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 596 transitions. Word has length 1567 [2020-07-17 17:12:03,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:12:03,776 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 596 transitions. [2020-07-17 17:12:03,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-07-17 17:12:03,776 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 596 transitions. [2020-07-17 17:12:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1973 [2020-07-17 17:12:03,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:12:03,837 INFO L422 BasicCegarLoop]: trace histogram [114, 114, 109, 109, 91, 89, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 35, 35, 34, 34, 25, 25, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:12:03,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-07-17 17:12:03,839 INFO L427 AbstractCegarLoop]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:12:03,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:12:03,840 INFO L82 PathProgramCache]: Analyzing trace with hash 608321881, now seen corresponding path program 21 times [2020-07-17 17:12:03,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:12:03,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761077219] [2020-07-17 17:12:03,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:12:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 80117 backedges. 4046 proven. 10939 refuted. 0 times theorem prover too weak. 65132 trivial. 0 not checked. [2020-07-17 17:12:14,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761077219] [2020-07-17 17:12:14,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:12:14,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-07-17 17:12:14,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291379294] [2020-07-17 17:12:14,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-17 17:12:14,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:12:14,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-17 17:12:14,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2020-07-17 17:12:14,282 INFO L87 Difference]: Start difference. First operand 388 states and 596 transitions. Second operand 27 states. [2020-07-17 17:12:16,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:12:16,106 INFO L93 Difference]: Finished difference Result 851 states and 1397 transitions. [2020-07-17 17:12:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-07-17 17:12:16,107 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 1972 [2020-07-17 17:12:16,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:12:16,115 INFO L225 Difference]: With dead ends: 851 [2020-07-17 17:12:16,116 INFO L226 Difference]: Without dead ends: 493 [2020-07-17 17:12:16,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1679 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=698, Invalid=4704, Unknown=0, NotChecked=0, Total=5402 [2020-07-17 17:12:16,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-07-17 17:12:16,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 411. [2020-07-17 17:12:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-07-17 17:12:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 618 transitions. [2020-07-17 17:12:16,182 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 618 transitions. Word has length 1972 [2020-07-17 17:12:16,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:12:16,183 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 618 transitions. [2020-07-17 17:12:16,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-17 17:12:16,184 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 618 transitions. [2020-07-17 17:12:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2020-07-17 17:12:16,217 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:12:16,218 INFO L422 BasicCegarLoop]: trace histogram [97, 97, 96, 96, 79, 77, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 31, 31, 29, 29, 19, 19, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:12:16,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-07-17 17:12:16,219 INFO L427 AbstractCegarLoop]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:12:16,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:12:16,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1225186278, now seen corresponding path program 22 times [2020-07-17 17:12:16,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:12:16,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779687926] [2020-07-17 17:12:16,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:12:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 59858 backedges. 6929 proven. 7127 refuted. 0 times theorem prover too weak. 45802 trivial. 0 not checked. [2020-07-17 17:12:22,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779687926] [2020-07-17 17:12:22,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:12:22,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-07-17 17:12:22,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635197477] [2020-07-17 17:12:22,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-07-17 17:12:22,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:12:22,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-07-17 17:12:22,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=750, Unknown=0, NotChecked=0, Total=870 [2020-07-17 17:12:22,535 INFO L87 Difference]: Start difference. First operand 411 states and 618 transitions. Second operand 30 states. [2020-07-17 17:12:24,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:12:24,940 INFO L93 Difference]: Finished difference Result 852 states and 1366 transitions. [2020-07-17 17:12:24,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2020-07-17 17:12:24,940 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 1708 [2020-07-17 17:12:24,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:12:24,948 INFO L225 Difference]: With dead ends: 852 [2020-07-17 17:12:24,948 INFO L226 Difference]: Without dead ends: 470 [2020-07-17 17:12:24,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2577 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=940, Invalid=6892, Unknown=0, NotChecked=0, Total=7832 [2020-07-17 17:12:24,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-07-17 17:12:25,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 399. [2020-07-17 17:12:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-07-17 17:12:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 591 transitions. [2020-07-17 17:12:25,006 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 591 transitions. Word has length 1708 [2020-07-17 17:12:25,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:12:25,007 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 591 transitions. [2020-07-17 17:12:25,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-07-17 17:12:25,007 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 591 transitions. [2020-07-17 17:12:25,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1797 [2020-07-17 17:12:25,038 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:12:25,039 INFO L422 BasicCegarLoop]: trace histogram [103, 103, 100, 100, 83, 81, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 33, 33, 30, 30, 20, 20, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:12:25,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-07-17 17:12:25,039 INFO L427 AbstractCegarLoop]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:12:25,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:12:25,040 INFO L82 PathProgramCache]: Analyzing trace with hash 991331955, now seen corresponding path program 23 times [2020-07-17 17:12:25,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:12:25,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829508888] [2020-07-17 17:12:25,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:12:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 66279 backedges. 2573 proven. 7479 refuted. 0 times theorem prover too weak. 56227 trivial. 0 not checked. [2020-07-17 17:12:31,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829508888] [2020-07-17 17:12:31,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:12:31,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-07-17 17:12:31,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546447828] [2020-07-17 17:12:31,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 17:12:31,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:12:31,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 17:12:31,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-07-17 17:12:31,932 INFO L87 Difference]: Start difference. First operand 399 states and 591 transitions. Second operand 20 states. [2020-07-17 17:12:33,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:12:33,093 INFO L93 Difference]: Finished difference Result 786 states and 1180 transitions. [2020-07-17 17:12:33,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-17 17:12:33,094 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1796 [2020-07-17 17:12:33,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:12:33,101 INFO L225 Difference]: With dead ends: 786 [2020-07-17 17:12:33,101 INFO L226 Difference]: Without dead ends: 417 [2020-07-17 17:12:33,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1719, Unknown=0, NotChecked=0, Total=1980 [2020-07-17 17:12:33,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-07-17 17:12:33,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 391. [2020-07-17 17:12:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-07-17 17:12:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 567 transitions. [2020-07-17 17:12:33,157 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 567 transitions. Word has length 1796 [2020-07-17 17:12:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:12:33,158 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 567 transitions. [2020-07-17 17:12:33,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 17:12:33,158 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 567 transitions. [2020-07-17 17:12:33,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2167 [2020-07-17 17:12:33,192 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:12:33,193 INFO L422 BasicCegarLoop]: trace histogram [123, 123, 122, 122, 99, 99, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 38, 38, 38, 38, 24, 24, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:12:33,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-07-17 17:12:33,193 INFO L427 AbstractCegarLoop]: === Iteration 35 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:12:33,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:12:33,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1081592664, now seen corresponding path program 24 times [2020-07-17 17:12:33,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:12:33,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325202305] [2020-07-17 17:12:33,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:12:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:12:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 96793 backedges. 1554 proven. 6999 refuted. 0 times theorem prover too weak. 88240 trivial. 0 not checked. [2020-07-17 17:12:45,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325202305] [2020-07-17 17:12:45,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:12:45,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-07-17 17:12:45,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556824896] [2020-07-17 17:12:45,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-17 17:12:45,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:12:45,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-17 17:12:45,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-07-17 17:12:45,488 INFO L87 Difference]: Start difference. First operand 391 states and 567 transitions. Second operand 16 states. [2020-07-17 17:12:46,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:12:46,151 INFO L93 Difference]: Finished difference Result 414 states and 601 transitions. [2020-07-17 17:12:46,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 17:12:46,154 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 2166 [2020-07-17 17:12:46,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:12:46,156 INFO L225 Difference]: With dead ends: 414 [2020-07-17 17:12:46,156 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 17:12:46,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=515, Unknown=0, NotChecked=0, Total=650 [2020-07-17 17:12:46,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 17:12:46,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 17:12:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 17:12:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 17:12:46,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2166 [2020-07-17 17:12:46,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:12:46,160 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 17:12:46,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-17 17:12:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 17:12:46,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 17:12:46,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-07-17 17:12:46,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 17:14:13,351 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 6 [2020-07-17 17:14:14,370 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 344 DAG size of output: 6 [2020-07-17 17:14:16,872 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 403 DAG size of output: 70 [2020-07-17 17:14:18,677 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 351 DAG size of output: 48 [2020-07-17 17:14:20,504 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 351 DAG size of output: 48 [2020-07-17 17:14:21,206 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 8 [2020-07-17 17:14:26,227 WARN L193 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 610 DAG size of output: 76 [2020-07-17 17:14:28,252 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 388 DAG size of output: 49 [2020-07-17 17:14:28,805 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 1 [2020-07-17 17:14:31,356 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 403 DAG size of output: 70 [2020-07-17 17:14:32,202 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 3 [2020-07-17 17:14:34,768 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 404 DAG size of output: 73 [2020-07-17 17:14:35,501 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 6 [2020-07-17 17:14:38,092 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 404 DAG size of output: 73 [2020-07-17 17:14:40,371 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 424 DAG size of output: 82 [2020-07-17 17:14:44,558 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 530 DAG size of output: 78 [2020-07-17 17:14:48,686 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 530 DAG size of output: 78 [2020-07-17 17:14:49,264 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 6 [2020-07-17 17:14:50,249 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 7 [2020-07-17 17:14:52,066 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 348 DAG size of output: 49 [2020-07-17 17:14:57,133 WARN L193 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 610 DAG size of output: 76 [2020-07-17 17:14:58,998 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 348 DAG size of output: 49 [2020-07-17 17:14:59,675 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 8 [2020-07-17 17:15:00,367 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 1 [2020-07-17 17:15:04,857 WARN L193 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 574 DAG size of output: 85 [2020-07-17 17:15:05,734 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 6 [2020-07-17 17:15:10,130 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 525 DAG size of output: 69 [2020-07-17 17:15:10,822 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 3 [2020-07-17 17:15:10,828 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 17:15:10,828 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-17 17:15:10,828 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-17 17:15:10,828 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 17:15:10,828 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 17:15:10,828 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-17 17:15:10,829 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) the Hoare annotation is: false [2020-07-17 17:15:10,829 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2020-07-17 17:15:10,829 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 35 42) the Hoare annotation is: (<= 10 main_~x~0) [2020-07-17 17:15:10,829 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 35 42) the Hoare annotation is: (<= 10 main_~x~0) [2020-07-17 17:15:10,829 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: false [2020-07-17 17:15:10,830 INFO L264 CegarLoopResult]: At program point L38(lines 38 40) the Hoare annotation is: (and (<= main_~x~0 10) (<= main_~result~0 55) (<= 10 main_~x~0) (<= 55 main_~result~0)) [2020-07-17 17:15:10,830 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (and (<= main_~x~0 10) (<= 10 main_~x~0)) [2020-07-17 17:15:10,830 INFO L264 CegarLoopResult]: At program point L37-1(line 37) the Hoare annotation is: (and (<= main_~x~0 10) (<= |main_#t~ret4| 55) (<= 10 main_~x~0) (<= 55 |main_#t~ret4|)) [2020-07-17 17:15:10,830 INFO L264 CegarLoopResult]: At program point L38-2(lines 38 40) the Hoare annotation is: (<= 10 main_~x~0) [2020-07-17 17:15:10,830 INFO L264 CegarLoopResult]: At program point L37-2(line 37) the Hoare annotation is: (and (<= main_~x~0 10) (<= |main_#t~ret4| 55) (<= 10 main_~x~0) (<= 55 |main_#t~ret4|)) [2020-07-17 17:15:10,831 INFO L264 CegarLoopResult]: At program point L37-3(line 37) the Hoare annotation is: (and (<= main_~x~0 10) (<= main_~result~0 55) (<= |main_#t~ret4| 55) (<= 10 main_~x~0) (<= 55 main_~result~0) (<= 55 |main_#t~ret4|)) [2020-07-17 17:15:10,831 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-07-17 17:15:10,831 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (< 1 fibo2_~n)) [2020-07-17 17:15:10,831 INFO L264 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse1 (<= 6 fibo2_~n)) (.cse2 (= fibo2_~n |fibo2_#in~n|))) (let ((.cse0 (and (<= |fibo2_#t~ret2| 5) .cse1 (<= 5 |fibo2_#t~ret2|) (<= fibo2_~n 6) .cse2))) (and (not (<= |fibo2_#in~n| 1)) (or (not (<= 6 |fibo2_#in~n|)) .cse0 (not (<= |fibo2_#in~n| 6))) (or (and (<= 8 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 8) (<= |fibo2_#in~n| 7) .cse1 .cse2) (and (<= |fibo2_#in~n| 8) (<= |fibo2_#t~ret2| 13) (<= 13 |fibo2_#t~ret2|) .cse2 (<= 8 |fibo2_#in~n|)) .cse0 (and (<= 10 |fibo2_#in~n|) .cse2) (and (<= |fibo2_#in~n| 2) (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|) .cse2) (and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2) (<= fibo2_~n 4) .cse2 (<= 4 fibo2_~n)))))) [2020-07-17 17:15:10,832 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (and (< 0 fibo2_~n) (<= |fibo2_#in~n| 1) (= fibo2_~n |fibo2_#in~n|)) [2020-07-17 17:15:10,832 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse1 (<= 6 fibo2_~n)) (.cse2 (= fibo2_~n |fibo2_#in~n|))) (let ((.cse0 (and (<= |fibo2_#t~ret2| 5) .cse1 (<= 5 |fibo2_#t~ret2|) (<= fibo2_~n 6) .cse2))) (and (not (<= |fibo2_#in~n| 1)) (or (not (<= 5 |fibo2_#in~n|)) .cse0 (not (<= |fibo2_#in~n| 6))) (or (and (<= 8 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 8) (<= |fibo2_#in~n| 7) .cse1 .cse2) (and (<= |fibo2_#in~n| 8) (<= |fibo2_#t~ret2| 13) (<= 13 |fibo2_#t~ret2|) .cse2 (<= 8 |fibo2_#in~n|)) .cse0 (and (<= 10 |fibo2_#in~n|) .cse2) (and (<= |fibo2_#in~n| 2) (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|) .cse2) (and (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2) (<= fibo2_~n 4) .cse2 (<= 4 fibo2_~n)))))) [2020-07-17 17:15:10,832 INFO L264 CegarLoopResult]: At program point L20(lines 20 24) the Hoare annotation is: (and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|)) [2020-07-17 17:15:10,833 INFO L264 CegarLoopResult]: At program point L23-3(line 23) the Hoare annotation is: (let ((.cse6 (<= 3 |fibo2_#in~n|)) (.cse8 (<= 3 fibo2_~n)) (.cse10 (<= 5 |fibo2_#in~n|)) (.cse9 (= fibo2_~n |fibo2_#in~n|)) (.cse11 (<= |fibo2_#t~ret2| 1)) (.cse7 (<= |fibo2_#in~n| 3)) (.cse12 (<= 1 |fibo2_#t~ret2|)) (.cse2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|))) (let ((.cse1 (and (<= 1 .cse2) .cse11 .cse7 .cse12 (<= .cse2 1))) (.cse3 (and (<= 2 |fibo2_#t~ret2|) (<= 3 .cse2) (<= |fibo2_#in~n| 4) (<= |fibo2_#t~ret2| 2) (<= .cse2 3) .cse9 (<= 4 fibo2_~n))) (.cse5 (and (<= |fibo2_#t~ret2| 5) .cse10 (<= .cse2 8) (<= |fibo2_#in~n| 6) (<= 6 fibo2_~n) (<= 5 |fibo2_#t~ret2|) (<= 8 .cse2) .cse9)) (.cse0 (<= |fibo2_#in~n| 2)) (.cse4 (and (<= 2 .cse2) .cse6 .cse11 (<= .cse2 2) .cse7 .cse12 .cse8))) (and (or (not .cse0) .cse1) (or (and (<= |fibo2_#t~ret2| 13) (<= fibo2_~n 8) (<= 13 |fibo2_#t~ret2|) (<= 21 .cse2) (<= 8 fibo2_~n) (<= .cse2 21)) (and (<= 8 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 8) (<= 13 .cse2) (<= |fibo2_#in~n| 7) (<= .cse2 13)) .cse3 .cse4 (<= 10 |fibo2_#in~n|) .cse1 .cse5) (or (and .cse6 .cse7 .cse8 .cse9) .cse3 (not .cse6) .cse5 (and .cse10 .cse9 (<= 7 |fibo2_#in~n|))) (or (and .cse0 (< 1 fibo2_~n) .cse9) .cse4 (not .cse7))))) [2020-07-17 17:15:10,833 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (<= |fibo2_#in~n| 0) (= fibo2_~n |fibo2_#in~n|)) [2020-07-17 17:15:10,833 INFO L264 CegarLoopResult]: At program point L23-4(line 23) the Hoare annotation is: (let ((.cse6 (<= 3 |fibo2_#in~n|)) (.cse8 (<= 3 fibo2_~n)) (.cse10 (<= 5 |fibo2_#in~n|)) (.cse9 (= fibo2_~n |fibo2_#in~n|)) (.cse11 (<= |fibo2_#t~ret2| 1)) (.cse7 (<= |fibo2_#in~n| 3)) (.cse12 (<= 1 |fibo2_#t~ret2|)) (.cse2 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|))) (let ((.cse1 (and (<= 1 .cse2) .cse11 .cse7 .cse12 (<= .cse2 1))) (.cse3 (and (<= 2 |fibo2_#t~ret2|) (<= 3 .cse2) (<= |fibo2_#in~n| 4) (<= |fibo2_#t~ret2| 2) (<= .cse2 3) .cse9 (<= 4 fibo2_~n))) (.cse5 (and (<= |fibo2_#t~ret2| 5) .cse10 (<= .cse2 8) (<= |fibo2_#in~n| 6) (<= 6 fibo2_~n) (<= 5 |fibo2_#t~ret2|) (<= 8 .cse2) .cse9)) (.cse0 (<= |fibo2_#in~n| 2)) (.cse4 (and (<= 2 .cse2) .cse6 .cse11 (<= .cse2 2) .cse7 .cse12 .cse8))) (and (or (not .cse0) .cse1) (or (and (<= |fibo2_#t~ret2| 13) (<= fibo2_~n 8) (<= 13 |fibo2_#t~ret2|) (<= 21 .cse2) (<= 8 fibo2_~n) (<= .cse2 21)) (and (<= 8 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 8) (<= 13 .cse2) (<= |fibo2_#in~n| 7) (<= .cse2 13)) .cse3 .cse4 (<= 10 |fibo2_#in~n|) .cse1 .cse5) (or (and .cse6 .cse7 .cse8 .cse9) .cse3 (not .cse6) .cse5 (and .cse10 .cse9 (<= 7 |fibo2_#in~n|))) (or (and .cse0 (< 1 fibo2_~n) .cse9) .cse4 (not .cse7))))) [2020-07-17 17:15:10,833 INFO L264 CegarLoopResult]: At program point L18(lines 18 24) the Hoare annotation is: (= fibo2_~n |fibo2_#in~n|) [2020-07-17 17:15:10,834 INFO L264 CegarLoopResult]: At program point L23-5(line 23) the Hoare annotation is: (let ((.cse1 (<= |fibo2_#in~n| 4)) (.cse3 (= fibo2_~n |fibo2_#in~n|))) (and (let ((.cse4 (<= |fibo2_#t~ret2| 1)) (.cse5 (<= 1 |fibo2_#t~ret2|)) (.cse2 (<= 5 |fibo2_#in~n|)) (.cse0 (+ |fibo2_#t~ret3| |fibo2_#t~ret2|))) (or (and (<= |fibo2_#in~n| 8) (<= |fibo2_#res| 21) (<= |fibo2_#t~ret2| 13) (<= fibo2_~n 8) (<= 13 |fibo2_#t~ret2|) (<= 21 .cse0) (<= 21 |fibo2_#res|) (<= 8 fibo2_~n) (<= .cse0 21) (<= 8 |fibo2_#in~n|)) (and (<= 3 |fibo2_#res|) (<= 2 |fibo2_#t~ret2|) (<= 3 .cse0) (<= |fibo2_#res| 3) .cse1 (<= |fibo2_#t~ret2| 2) (<= .cse0 3) (<= 4 fibo2_~n)) (and (<= 8 |fibo2_#res|) (<= |fibo2_#res| 8) (<= |fibo2_#t~ret2| 5) .cse2 (<= .cse0 8) (<= |fibo2_#in~n| 6) (<= 5 |fibo2_#t~ret2|) (<= 8 .cse0) .cse3) (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) (<= 2 .cse0) .cse4 (<= .cse0 2) (<= |fibo2_#in~n| 3) .cse5 (<= 3 fibo2_~n)) (and (<= 1 .cse0) (<= |fibo2_#in~n| 2) .cse4 (<= 1 |fibo2_#res|) .cse5 (<= .cse0 1) (<= |fibo2_#res| 1)) (and .cse2 (<= 10 |fibo2_#in~n|) .cse3) (and (<= |fibo2_#res| 13) .cse2 (<= 8 |fibo2_#t~ret2|) (<= 13 |fibo2_#res|) (<= |fibo2_#t~ret2| 8) (<= 13 .cse0) (<= |fibo2_#in~n| 7) .cse3 (<= .cse0 13) (<= 7 |fibo2_#in~n|)))) (or (and .cse1 .cse3) (not (<= |fibo2_#in~n| 5))) (< 1 fibo2_~n))) [2020-07-17 17:15:10,834 INFO L264 CegarLoopResult]: At program point L23-6(line 23) the Hoare annotation is: (and (or (and (<= |fibo2_#res| 21) (<= fibo2_~n 8) (<= 21 |fibo2_#res|) (<= 8 |fibo2_#in~n|)) (and (<= |fibo2_#res| 8) (<= 8 |fibo2_#res|) (<= |fibo2_#in~n| 6) (<= 6 fibo2_~n)) (and (<= |fibo2_#in~n| 2) (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1)) (and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3) (<= |fibo2_#in~n| 4) (<= 4 fibo2_~n)) (<= 10 |fibo2_#in~n|) (and (<= |fibo2_#res| 13) (<= 13 |fibo2_#res|) (<= |fibo2_#in~n| 7) (<= 7 |fibo2_#in~n|)) (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) (<= |fibo2_#in~n| 3) (<= 3 fibo2_~n))) (< 1 fibo2_~n) (= fibo2_~n |fibo2_#in~n|)) [2020-07-17 17:15:10,834 INFO L264 CegarLoopResult]: At program point fibo2FINAL(lines 17 25) the Hoare annotation is: (let ((.cse1 (<= 5 |fibo2_#in~n|)) (.cse0 (= fibo2_~n |fibo2_#in~n|))) (let ((.cse2 (and (<= |fibo2_#res| 8) (<= 8 |fibo2_#res|) .cse1 (<= |fibo2_#in~n| 6) .cse0)) (.cse3 (not (<= 6 |fibo2_#in~n|)))) (and (or (<= 3 |fibo2_#in~n|) (and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1) .cse0) (and (<= |fibo2_#in~n| 0) .cse0)) (or (not (<= 4 |fibo2_#in~n|)) (and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3) (<= |fibo2_#in~n| 4) .cse0) (not (<= |fibo2_#in~n| 5))) (or (and (<= |fibo2_#res| 13) .cse1 (<= 13 |fibo2_#res|) (<= |fibo2_#in~n| 7) .cse0) .cse2 .cse3 (and .cse1 (<= 10 |fibo2_#in~n|) .cse0) (and (<= |fibo2_#in~n| 8) (<= |fibo2_#res| 21) (<= fibo2_~n 8) (<= 21 |fibo2_#res|) (<= 8 fibo2_~n) (<= 8 |fibo2_#in~n|))) (or (< 0 fibo2_~n) (and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))) (or .cse2 .cse3 (<= 7 |fibo2_#in~n|)) (or (<= |fibo2_#in~n| 2) (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) .cse0) (not (<= |fibo2_#in~n| 3)))))) [2020-07-17 17:15:10,835 INFO L264 CegarLoopResult]: At program point fibo2EXIT(lines 17 25) the Hoare annotation is: (let ((.cse1 (<= 5 |fibo2_#in~n|)) (.cse0 (= fibo2_~n |fibo2_#in~n|))) (let ((.cse2 (and (<= |fibo2_#res| 8) (<= 8 |fibo2_#res|) .cse1 (<= |fibo2_#in~n| 6) .cse0)) (.cse3 (not (<= 6 |fibo2_#in~n|)))) (and (or (<= 3 |fibo2_#in~n|) (and (<= 1 |fibo2_#res|) (<= |fibo2_#res| 1) .cse0) (and (<= |fibo2_#in~n| 0) .cse0)) (or (not (<= 4 |fibo2_#in~n|)) (and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3) (<= |fibo2_#in~n| 4) .cse0) (not (<= |fibo2_#in~n| 5))) (or (and (<= |fibo2_#res| 13) .cse1 (<= 13 |fibo2_#res|) (<= |fibo2_#in~n| 7) .cse0) .cse2 .cse3 (and .cse1 (<= 10 |fibo2_#in~n|) .cse0) (and (<= |fibo2_#in~n| 8) (<= |fibo2_#res| 21) (<= fibo2_~n 8) (<= 21 |fibo2_#res|) (<= 8 fibo2_~n) (<= 8 |fibo2_#in~n|))) (or (< 0 fibo2_~n) (and (<= |fibo2_#res| 0) (<= 0 |fibo2_#res|))) (or .cse2 .cse3 (<= 7 |fibo2_#in~n|)) (or (<= |fibo2_#in~n| 2) (and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|) .cse0) (not (<= |fibo2_#in~n| 3)))))) [2020-07-17 17:15:10,835 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-07-17 17:15:10,835 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (= fibo1_~n |fibo1_#in~n|)) [2020-07-17 17:15:10,835 INFO L264 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: (let ((.cse1 (<= 9 fibo1_~n)) (.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 11 |fibo1_#in~n|) .cse0) (and (<= 3 |fibo1_#t~ret0|) (<= 5 fibo1_~n) (<= |fibo1_#in~n| 5) (<= |fibo1_#t~ret0| 3) .cse0) (and (<= |fibo1_#in~n| 8) (<= 13 |fibo1_#t~ret0|) (<= 8 |fibo1_#in~n|) .cse0 (<= |fibo1_#t~ret0| 13)) (and (<= |fibo1_#t~ret0| 8) (<= 7 |fibo1_#in~n|) (<= 8 |fibo1_#t~ret0|) .cse0 (<= |fibo1_#in~n| 7)) (and (<= |fibo1_#in~n| 9) .cse1 .cse0) (and (<= 1 |fibo1_#t~ret0|) (<= 3 fibo1_~n) (<= |fibo1_#t~ret0| 1) .cse0 (<= |fibo1_#in~n| 3)) (and (<= 34 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 34) .cse1 .cse0) (and (<= |fibo1_#in~n| 4) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) .cse0 (<= 4 |fibo1_#in~n|)))) [2020-07-17 17:15:10,835 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (<= |fibo1_#in~n| 1) (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|)) [2020-07-17 17:15:10,835 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse1 (<= 9 fibo1_~n)) (.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 11 |fibo1_#in~n|) .cse0) (and (<= 3 |fibo1_#t~ret0|) (<= 5 fibo1_~n) (<= |fibo1_#in~n| 5) (<= |fibo1_#t~ret0| 3) .cse0) (and (<= |fibo1_#in~n| 8) (<= 13 |fibo1_#t~ret0|) (<= 8 |fibo1_#in~n|) .cse0 (<= |fibo1_#t~ret0| 13)) (and (<= |fibo1_#t~ret0| 8) (<= 7 |fibo1_#in~n|) (<= 8 |fibo1_#t~ret0|) .cse0 (<= |fibo1_#in~n| 7)) (and (<= |fibo1_#in~n| 9) .cse1 .cse0) (and (<= 1 |fibo1_#t~ret0|) (<= 3 fibo1_~n) (<= |fibo1_#t~ret0| 1) .cse0 (<= |fibo1_#in~n| 3)) (and (<= 34 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 34) .cse1 .cse0) (and (<= |fibo1_#in~n| 4) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) .cse0 (<= 4 |fibo1_#in~n|)))) [2020-07-17 17:15:10,835 INFO L264 CegarLoopResult]: At program point fibo1FINAL(lines 7 15) the Hoare annotation is: (let ((.cse0 (not (<= |fibo1_#in~n| 6))) (.cse4 (<= |fibo1_#in~n| 7))) (and (or .cse0 (<= |fibo1_#in~n| 5)) (or (and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|)) (< 0 fibo1_~n)) (let ((.cse1 (<= |fibo1_#in~n| 2)) (.cse2 (= fibo1_~n |fibo1_#in~n|))) (or (and .cse1 .cse2 (<= |fibo1_#in~n| 0)) (and (<= 3 |fibo1_#in~n|) (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2) .cse2) (and .cse2 (<= 4 |fibo1_#in~n|)) (and (<= |fibo1_#in~n| 1) .cse1 .cse2 (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1)))) (or (and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3)) (not (<= |fibo1_#in~n| 4)) (<= |fibo1_#in~n| 3)) (let ((.cse3 (<= |fibo1_#in~n| 9))) (or (and (<= 21 |fibo1_#res|) .cse3 (<= |fibo1_#res| 21)) (<= 11 |fibo1_#in~n|) (and (or .cse3 (and (<= |fibo1_#res| 55) (<= 55 |fibo1_#res|))) (<= 9 |fibo1_#in~n|)) .cse4)) (or (not (<= 5 |fibo1_#in~n|)) (and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5)) .cse0) (or (and (<= 13 |fibo1_#res|) (<= |fibo1_#res| 13)) (not (<= 7 |fibo1_#in~n|)) (not .cse4)))) [2020-07-17 17:15:10,836 INFO L264 CegarLoopResult]: At program point L10(lines 10 14) the Hoare annotation is: (and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|)) [2020-07-17 17:15:10,836 INFO L264 CegarLoopResult]: At program point L13-3(line 13) the Hoare annotation is: (let ((.cse0 (<= |fibo1_#in~n| 5)) (.cse1 (<= |fibo1_#in~n| 3)) (.cse2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (.cse3 (<= |fibo1_#in~n| 7))) (and (or (not (<= |fibo1_#in~n| 6)) .cse0) (not (<= |fibo1_#in~n| 2)) (or (not .cse1) (and (<= 1 |fibo1_#t~ret0|) (<= .cse2 2) (<= |fibo1_#t~ret0| 1) (<= 2 .cse2))) (= fibo1_~n |fibo1_#in~n|) (or (and (<= 21 .cse2) (<= |fibo1_#in~n| 8) (<= 13 |fibo1_#t~ret0|) (<= .cse2 21) (<= 8 |fibo1_#in~n|) (<= |fibo1_#t~ret0| 13)) (and (<= 6 fibo1_~n) .cse3) (<= 11 |fibo1_#in~n|) (and (<= 3 |fibo1_#t~ret0|) (<= 5 fibo1_~n) .cse0 (<= |fibo1_#t~ret0| 3) (<= 5 .cse2) (<= .cse2 5)) (and (<= 9 |fibo1_#in~n|) (or (and (<= .cse2 55) (<= 34 |fibo1_#t~ret0|) (<= 55 .cse2) (<= |fibo1_#t~ret0| 34)) (<= |fibo1_#in~n| 9))) .cse1 (and (<= .cse2 3) (<= 3 .cse2) (<= |fibo1_#in~n| 4) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))) (or (and (<= |fibo1_#t~ret0| 8) (<= .cse2 13) (<= 13 .cse2) (<= 8 |fibo1_#t~ret0|)) (not (<= 7 |fibo1_#in~n|)) (not .cse3)))) [2020-07-17 17:15:10,836 INFO L264 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (and (= fibo1_~n |fibo1_#in~n|) (<= |fibo1_#in~n| 0)) [2020-07-17 17:15:10,836 INFO L264 CegarLoopResult]: At program point L13-4(line 13) the Hoare annotation is: (let ((.cse0 (<= |fibo1_#in~n| 5)) (.cse1 (<= |fibo1_#in~n| 3)) (.cse2 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (.cse3 (<= |fibo1_#in~n| 7))) (and (or (not (<= |fibo1_#in~n| 6)) .cse0) (not (<= |fibo1_#in~n| 2)) (or (not .cse1) (and (<= 1 |fibo1_#t~ret0|) (<= .cse2 2) (<= |fibo1_#t~ret0| 1) (<= 2 .cse2))) (= fibo1_~n |fibo1_#in~n|) (or (and (<= 21 .cse2) (<= |fibo1_#in~n| 8) (<= 13 |fibo1_#t~ret0|) (<= .cse2 21) (<= 8 |fibo1_#in~n|) (<= |fibo1_#t~ret0| 13)) (and (<= 6 fibo1_~n) .cse3) (<= 11 |fibo1_#in~n|) (and (<= 3 |fibo1_#t~ret0|) (<= 5 fibo1_~n) .cse0 (<= |fibo1_#t~ret0| 3) (<= 5 .cse2) (<= .cse2 5)) (and (<= 9 |fibo1_#in~n|) (or (and (<= .cse2 55) (<= 34 |fibo1_#t~ret0|) (<= 55 .cse2) (<= |fibo1_#t~ret0| 34)) (<= |fibo1_#in~n| 9))) .cse1 (and (<= .cse2 3) (<= 3 .cse2) (<= |fibo1_#in~n| 4) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|))) (or (and (<= |fibo1_#t~ret0| 8) (<= .cse2 13) (<= 13 .cse2) (<= 8 |fibo1_#t~ret0|)) (not (<= 7 |fibo1_#in~n|)) (not .cse3)))) [2020-07-17 17:15:10,836 INFO L264 CegarLoopResult]: At program point L8(lines 8 14) the Hoare annotation is: (= fibo1_~n |fibo1_#in~n|) [2020-07-17 17:15:10,837 INFO L264 CegarLoopResult]: At program point L13-5(line 13) the Hoare annotation is: (let ((.cse1 (+ |fibo1_#t~ret1| |fibo1_#t~ret0|)) (.cse0 (= fibo1_~n |fibo1_#in~n|))) (and (not (<= |fibo1_#in~n| 2)) (let ((.cse2 (<= 7 fibo1_~n)) (.cse3 (<= |fibo1_#in~n| 9))) (or (and (<= 11 |fibo1_#in~n|) .cse0) (<= |fibo1_#in~n| 5) (and (<= 13 |fibo1_#res|) (<= |fibo1_#t~ret0| 8) (<= |fibo1_#res| 13) (<= .cse1 13) (<= 13 .cse1) (<= 8 |fibo1_#t~ret0|) .cse0 (<= |fibo1_#in~n| 7)) (and (or (and (<= |fibo1_#res| 55) (<= .cse1 55) (<= 34 |fibo1_#t~ret0|) (<= 55 |fibo1_#res|) (<= 55 .cse1) (<= |fibo1_#t~ret0| 34)) (and .cse2 .cse3)) (<= 9 |fibo1_#in~n|) .cse0) (and (<= 21 |fibo1_#res|) (<= 21 .cse1) .cse2 .cse3 (<= |fibo1_#res| 21) (<= .cse1 21) (<= 13 |fibo1_#t~ret0|) (<= 8 |fibo1_#in~n|) .cse0 (<= |fibo1_#t~ret0| 13)))) (or (and (<= 1 |fibo1_#t~ret0|) (<= .cse1 2) (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2) (<= |fibo1_#t~ret0| 1) .cse0 (<= |fibo1_#in~n| 3) (<= 2 .cse1)) (not (<= |fibo1_#in~n| 6)) (and (<= 3 .cse1) (<= .cse1 3) (<= |fibo1_#t~ret0| 2) (<= |fibo1_#in~n| 4) (<= 2 |fibo1_#t~ret0|) (<= 3 |fibo1_#res|) (<= 4 |fibo1_#in~n|) .cse0 (<= |fibo1_#res| 3)) (and (<= 3 |fibo1_#t~ret0|) (<= 5 fibo1_~n) (<= 5 |fibo1_#res|) (<= |fibo1_#t~ret0| 3) (<= 5 .cse1) (<= |fibo1_#res| 5) (<= .cse1 5) .cse0)))) [2020-07-17 17:15:10,837 INFO L264 CegarLoopResult]: At program point L13-6(line 13) the Hoare annotation is: (and (or (and (<= 13 |fibo1_#res|) (<= |fibo1_#t~ret0| 8) (<= |fibo1_#res| 13) (<= 8 |fibo1_#t~ret0|) (<= |fibo1_#in~n| 7)) (<= 11 |fibo1_#in~n|) (and (or (and (<= |fibo1_#res| 55) (<= 34 |fibo1_#t~ret0|) (<= 55 |fibo1_#res|) (<= |fibo1_#t~ret0| 34)) (<= |fibo1_#in~n| 9)) (<= 9 |fibo1_#in~n|)) (not (<= 7 |fibo1_#in~n|)) (and (<= 21 |fibo1_#res|) (<= |fibo1_#in~n| 8) (<= |fibo1_#res| 21) (<= 13 |fibo1_#t~ret0|) (<= 8 |fibo1_#in~n|) (<= |fibo1_#t~ret0| 13))) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 3 |fibo1_#t~ret0|) (<= 5 fibo1_~n) (<= 5 |fibo1_#res|) (<= |fibo1_#in~n| 5) (<= |fibo1_#t~ret0| 3) (<= |fibo1_#res| 5) .cse0) (and (<= |fibo1_#in~n| 4) (<= |fibo1_#t~ret0| 2) (<= 2 |fibo1_#t~ret0|) (<= 3 |fibo1_#res|) .cse0 (<= 4 |fibo1_#in~n|) (<= |fibo1_#res| 3)) (and (<= 7 fibo1_~n) .cse0) (and (<= 1 |fibo1_#t~ret0|) (<= 3 |fibo1_#in~n|) (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2) (<= |fibo1_#t~ret0| 1) .cse0 (<= |fibo1_#in~n| 3))))) [2020-07-17 17:15:10,837 INFO L264 CegarLoopResult]: At program point fibo1EXIT(lines 7 15) the Hoare annotation is: (let ((.cse0 (not (<= |fibo1_#in~n| 6))) (.cse4 (<= |fibo1_#in~n| 7))) (and (or .cse0 (<= |fibo1_#in~n| 5)) (or (and (<= |fibo1_#res| 0) (<= 0 |fibo1_#res|)) (< 0 fibo1_~n)) (let ((.cse1 (<= |fibo1_#in~n| 2)) (.cse2 (= fibo1_~n |fibo1_#in~n|))) (or (and .cse1 .cse2 (<= |fibo1_#in~n| 0)) (and (<= 3 |fibo1_#in~n|) (<= 2 |fibo1_#res|) (<= |fibo1_#res| 2) .cse2) (and .cse2 (<= 4 |fibo1_#in~n|)) (and (<= |fibo1_#in~n| 1) .cse1 .cse2 (<= 1 |fibo1_#res|) (<= |fibo1_#res| 1)))) (or (and (<= 3 |fibo1_#res|) (<= |fibo1_#res| 3)) (not (<= |fibo1_#in~n| 4)) (<= |fibo1_#in~n| 3)) (let ((.cse3 (<= |fibo1_#in~n| 9))) (or (and (<= 21 |fibo1_#res|) .cse3 (<= |fibo1_#res| 21)) (<= 11 |fibo1_#in~n|) (and (or .cse3 (and (<= |fibo1_#res| 55) (<= 55 |fibo1_#res|))) (<= 9 |fibo1_#in~n|)) .cse4)) (or (not (<= 5 |fibo1_#in~n|)) (and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5)) .cse0) (or (and (<= 13 |fibo1_#res|) (<= |fibo1_#res| 13)) (not (<= 7 |fibo1_#in~n|)) (not .cse4)))) [2020-07-17 17:15:10,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 05:15:10 BoogieIcfgContainer [2020-07-17 17:15:10,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 17:15:10,881 INFO L168 Benchmark]: Toolchain (without parser) took 293351.33 ms. Allocated memory was 134.7 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 99.6 MB in the beginning and 149.2 MB in the end (delta: -49.6 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-07-17 17:15:10,882 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory is still 117.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 17:15:10,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.78 ms. Allocated memory is still 134.7 MB. Free memory was 99.2 MB in the beginning and 89.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-17 17:15:10,883 INFO L168 Benchmark]: Boogie Preprocessor took 121.74 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 89.2 MB in the beginning and 178.0 MB in the end (delta: -88.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2020-07-17 17:15:10,883 INFO L168 Benchmark]: RCFGBuilder took 325.93 ms. Allocated memory is still 199.8 MB. Free memory was 178.0 MB in the beginning and 163.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-17 17:15:10,883 INFO L168 Benchmark]: TraceAbstraction took 292589.47 ms. Allocated memory was 199.8 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 163.8 MB in the beginning and 149.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-07-17 17:15:10,888 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory is still 117.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 306.78 ms. Allocated memory is still 134.7 MB. Free memory was 99.2 MB in the beginning and 89.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.74 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 89.2 MB in the beginning and 178.0 MB in the end (delta: -88.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 325.93 ms. Allocated memory is still 199.8 MB. Free memory was 178.0 MB in the beginning and 163.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 292589.47 ms. Allocated memory was 199.8 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 163.8 MB in the beginning and 149.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: 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: 35]: Procedure Contract for main Derived contract for procedure main: 10 <= x - ProcedureContractResult [Line: 17]: Procedure Contract for fibo2 Derived contract for procedure fibo2: ((((((3 <= \old(n) || ((1 <= \result && \result <= 1) && n == \old(n))) || (\old(n) <= 0 && n == \old(n))) && ((!(4 <= \old(n)) || (((3 <= \result && \result <= 3) && \old(n) <= 4) && n == \old(n))) || !(\old(n) <= 5))) && ((((((((\result <= 13 && 5 <= \old(n)) && 13 <= \result) && \old(n) <= 7) && n == \old(n)) || ((((\result <= 8 && 8 <= \result) && 5 <= \old(n)) && \old(n) <= 6) && n == \old(n))) || !(6 <= \old(n))) || ((5 <= \old(n) && 10 <= \old(n)) && n == \old(n))) || (((((\old(n) <= 8 && \result <= 21) && n <= 8) && 21 <= \result) && 8 <= n) && 8 <= \old(n)))) && (0 < n || (\result <= 0 && 0 <= \result))) && ((((((\result <= 8 && 8 <= \result) && 5 <= \old(n)) && \old(n) <= 6) && n == \old(n)) || !(6 <= \old(n))) || 7 <= \old(n))) && ((\old(n) <= 2 || ((\result <= 2 && 2 <= \result) && n == \old(n))) || !(\old(n) <= 3)) - ProcedureContractResult [Line: 7]: Procedure Contract for fibo1 Derived contract for procedure fibo1: ((((((!(\old(n) <= 6) || \old(n) <= 5) && ((\result <= 0 && 0 <= \result) || 0 < n)) && (((((\old(n) <= 2 && n == \old(n)) && \old(n) <= 0) || (((3 <= \old(n) && 2 <= \result) && \result <= 2) && n == \old(n))) || (n == \old(n) && 4 <= \old(n))) || ((((\old(n) <= 1 && \old(n) <= 2) && n == \old(n)) && 1 <= \result) && \result <= 1))) && (((3 <= \result && \result <= 3) || !(\old(n) <= 4)) || \old(n) <= 3)) && (((((21 <= \result && \old(n) <= 9) && \result <= 21) || 11 <= \old(n)) || ((\old(n) <= 9 || (\result <= 55 && 55 <= \result)) && 9 <= \old(n))) || \old(n) <= 7)) && ((!(5 <= \old(n)) || (5 <= \result && \result <= 5)) || !(\old(n) <= 6))) && (((13 <= \result && \result <= 13) || !(7 <= \old(n))) || !(\old(n) <= 7)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 147.7s, OverallIterations: 35, TraceHistogramMax: 123, AutomataDifference: 30.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 144.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2175 SDtfs, 3714 SDslu, 21126 SDs, 0 SdLazy, 19843 SolverSat, 2083 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6936 GetRequests, 5951 SyntacticMatches, 0 SemanticMatches, 985 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10591 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2462occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 35 MinimizatonAttempts, 1755 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 32497 PreInvPairs, 108438 NumberOfFragments, 2809 HoareAnnotationTreeSize, 32497 FomulaSimplifications, 15268316 FormulaSimplificationTreeSizeReduction, 85.7s HoareSimplificationTime, 45 FomulaSimplificationsInter, 24237854 FormulaSimplificationTreeSizeReductionInter, 58.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 90.8s InterpolantComputationTime, 24454 NumberOfCodeBlocks, 24454 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 24419 ConstructedInterpolants, 0 QuantifiedInterpolants, 50943821 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 617562/715050 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...