java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 13:10:26,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 13:10:26,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 13:10:26,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-07 13:10:26,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 13:10:26,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 13:10:26,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 13:10:26,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 13:10:26,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 13:10:26,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 13:10:26,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 13:10:26,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 13:10:26,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 13:10:26,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 13:10:26,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 13:10:26,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 13:10:26,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 13:10:26,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 13:10:26,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 13:10:26,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 13:10:26,436 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-07 13:10:26,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 13:10:26,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 13:10:26,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 13:10:26,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 13:10:26,460 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 13:10:26,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 13:10:26,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 13:10:26,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 13:10:26,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 13:10:26,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 13:10:26,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 13:10:26,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 13:10:26,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 13:10:26,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 13:10:26,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 13:10:26,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 13:10:26,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 13:10:26,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 13:10:26,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 13:10:26,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 13:10:26,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 13:10:26,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 13:10:26,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 13:10:26,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 13:10:26,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 13:10:26,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 13:10:26,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 13:10:26,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 13:10:26,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 13:10:26,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 13:10:26,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 13:10:26,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 13:10:26,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 13:10:26,522 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 13:10:26,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label59.c [2019-09-07 13:10:26,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656503315/1c1b1e9062a542d78874c61a96055be3/FLAGa9461621d [2019-09-07 13:10:27,150 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 13:10:27,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label59.c [2019-09-07 13:10:27,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656503315/1c1b1e9062a542d78874c61a96055be3/FLAGa9461621d [2019-09-07 13:10:27,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656503315/1c1b1e9062a542d78874c61a96055be3 [2019-09-07 13:10:27,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 13:10:27,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 13:10:27,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 13:10:27,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 13:10:27,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 13:10:27,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:10:27" (1/1) ... [2019-09-07 13:10:27,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c983d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:27, skipping insertion in model container [2019-09-07 13:10:27,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:10:27" (1/1) ... [2019-09-07 13:10:27,443 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 13:10:27,501 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 13:10:27,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 13:10:28,001 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 13:10:28,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 13:10:28,139 INFO L192 MainTranslator]: Completed translation [2019-09-07 13:10:28,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:28 WrapperNode [2019-09-07 13:10:28,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 13:10:28,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 13:10:28,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 13:10:28,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 13:10:28,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:28" (1/1) ... [2019-09-07 13:10:28,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:28" (1/1) ... [2019-09-07 13:10:28,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:28" (1/1) ... [2019-09-07 13:10:28,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:28" (1/1) ... [2019-09-07 13:10:28,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:28" (1/1) ... [2019-09-07 13:10:28,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:28" (1/1) ... [2019-09-07 13:10:28,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:28" (1/1) ... [2019-09-07 13:10:28,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 13:10:28,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 13:10:28,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 13:10:28,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 13:10:28,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:28" (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 [2019-09-07 13:10:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 13:10:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 13:10:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-07 13:10:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 13:10:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-07 13:10:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 13:10:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 13:10:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-07 13:10:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 13:10:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 13:10:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 13:10:29,485 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 13:10:29,485 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-07 13:10:29,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:10:29 BoogieIcfgContainer [2019-09-07 13:10:29,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 13:10:29,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 13:10:29,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 13:10:29,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 13:10:29,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 01:10:27" (1/3) ... [2019-09-07 13:10:29,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564b7294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:10:29, skipping insertion in model container [2019-09-07 13:10:29,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:28" (2/3) ... [2019-09-07 13:10:29,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564b7294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:10:29, skipping insertion in model container [2019-09-07 13:10:29,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:10:29" (3/3) ... [2019-09-07 13:10:29,505 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label59.c [2019-09-07 13:10:29,515 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 13:10:29,523 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 13:10:29,540 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 13:10:29,575 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 13:10:29,575 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 13:10:29,576 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 13:10:29,576 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 13:10:29,576 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 13:10:29,576 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 13:10:29,577 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 13:10:29,577 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 13:10:29,577 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 13:10:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-09-07 13:10:29,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-09-07 13:10:29,624 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:29,625 INFO L399 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 13:10:29,627 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:29,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:29,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1907034097, now seen corresponding path program 1 times [2019-09-07 13:10:29,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:29,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:29,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:29,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:29,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:30,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:10:30,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:10:30,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:10:30,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:10:30,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:10:30,140 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2019-09-07 13:10:30,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:30,966 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2019-09-07 13:10:30,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:10:30,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2019-09-07 13:10:30,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:30,996 INFO L225 Difference]: With dead ends: 547 [2019-09-07 13:10:30,997 INFO L226 Difference]: Without dead ends: 278 [2019-09-07 13:10:31,009 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:10:31,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-09-07 13:10:31,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-09-07 13:10:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-09-07 13:10:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2019-09-07 13:10:31,106 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 95 [2019-09-07 13:10:31,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:31,107 INFO L475 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2019-09-07 13:10:31,107 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:10:31,108 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2019-09-07 13:10:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-07 13:10:31,113 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:31,113 INFO L399 BasicCegarLoop]: trace histogram [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, 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, 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] [2019-09-07 13:10:31,114 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:31,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:31,114 INFO L82 PathProgramCache]: Analyzing trace with hash -2120846440, now seen corresponding path program 1 times [2019-09-07 13:10:31,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:31,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:31,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:31,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:31,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:31,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:10:31,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-07 13:10:31,210 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-07 13:10:31,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-07 13:10:31,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-07 13:10:31,211 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2019-09-07 13:10:31,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:31,964 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2019-09-07 13:10:31,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 13:10:31,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2019-09-07 13:10:31,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:31,971 INFO L225 Difference]: With dead ends: 703 [2019-09-07 13:10:31,972 INFO L226 Difference]: Without dead ends: 431 [2019-09-07 13:10:31,973 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-07 13:10:31,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-09-07 13:10:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2019-09-07 13:10:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-09-07 13:10:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2019-09-07 13:10:32,000 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 105 [2019-09-07 13:10:32,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:32,000 INFO L475 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2019-09-07 13:10:32,001 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-07 13:10:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2019-09-07 13:10:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-07 13:10:32,004 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:32,004 INFO L399 BasicCegarLoop]: trace histogram [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, 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, 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] [2019-09-07 13:10:32,004 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:32,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:32,005 INFO L82 PathProgramCache]: Analyzing trace with hash -588378602, now seen corresponding path program 1 times [2019-09-07 13:10:32,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:32,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:32,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:32,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:32,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:32,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 13:10:32,156 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 13:10:32,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:32,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 13:10:32,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 13:10:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-07 13:10:32,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 13:10:32,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-07 13:10:32,338 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-07 13:10:32,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-07 13:10:32,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-09-07 13:10:32,339 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 8 states. [2019-09-07 13:10:33,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:33,796 INFO L93 Difference]: Finished difference Result 1541 states and 2247 transitions. [2019-09-07 13:10:33,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-07 13:10:33,799 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2019-09-07 13:10:33,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:33,807 INFO L225 Difference]: With dead ends: 1541 [2019-09-07 13:10:33,807 INFO L226 Difference]: Without dead ends: 852 [2019-09-07 13:10:33,809 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-09-07 13:10:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2019-09-07 13:10:33,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 564. [2019-09-07 13:10:33,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-09-07 13:10:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 689 transitions. [2019-09-07 13:10:33,870 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 689 transitions. Word has length 106 [2019-09-07 13:10:33,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:33,871 INFO L475 AbstractCegarLoop]: Abstraction has 564 states and 689 transitions. [2019-09-07 13:10:33,871 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-07 13:10:33,871 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 689 transitions. [2019-09-07 13:10:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-09-07 13:10:33,874 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:33,875 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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, 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, 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] [2019-09-07 13:10:33,875 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:33,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:33,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1483997624, now seen corresponding path program 1 times [2019-09-07 13:10:33,875 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:33,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:33,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:33,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:33,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:33,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:10:33,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:10:33,982 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:10:33,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:10:33,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:10:33,983 INFO L87 Difference]: Start difference. First operand 564 states and 689 transitions. Second operand 3 states. [2019-09-07 13:10:34,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:34,486 INFO L93 Difference]: Finished difference Result 1668 states and 2083 transitions. [2019-09-07 13:10:34,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:10:34,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-09-07 13:10:34,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:34,494 INFO L225 Difference]: With dead ends: 1668 [2019-09-07 13:10:34,494 INFO L226 Difference]: Without dead ends: 1110 [2019-09-07 13:10:34,495 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:10:34,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2019-09-07 13:10:34,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2019-09-07 13:10:34,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2019-09-07 13:10:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1349 transitions. [2019-09-07 13:10:34,533 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1349 transitions. Word has length 121 [2019-09-07 13:10:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:34,534 INFO L475 AbstractCegarLoop]: Abstraction has 1110 states and 1349 transitions. [2019-09-07 13:10:34,534 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:10:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1349 transitions. [2019-09-07 13:10:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-07 13:10:34,539 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:34,539 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2019-09-07 13:10:34,540 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:34,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:34,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1570219518, now seen corresponding path program 1 times [2019-09-07 13:10:34,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:34,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:34,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:34,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:34,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:34,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 13:10:34,837 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 13:10:34,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 13:10:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:34,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 13:10:34,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 13:10:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:34,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 13:10:34,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-07 13:10:34,987 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-07 13:10:34,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-07 13:10:34,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-09-07 13:10:34,988 INFO L87 Difference]: Start difference. First operand 1110 states and 1349 transitions. Second operand 8 states. [2019-09-07 13:10:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:36,629 INFO L93 Difference]: Finished difference Result 3529 states and 4511 transitions. [2019-09-07 13:10:36,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-07 13:10:36,630 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2019-09-07 13:10:36,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:36,631 INFO L225 Difference]: With dead ends: 3529 [2019-09-07 13:10:36,631 INFO L226 Difference]: Without dead ends: 0 [2019-09-07 13:10:36,641 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-09-07 13:10:36,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-07 13:10:36,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-07 13:10:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-07 13:10:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-07 13:10:36,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2019-09-07 13:10:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:36,642 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-07 13:10:36,642 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-07 13:10:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-07 13:10:36,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-07 13:10:36,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-07 13:10:37,273 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 39 [2019-09-07 13:10:37,551 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2019-09-07 13:10:37,864 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2019-09-07 13:10:37,867 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-07 13:10:37,867 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) [2019-09-07 13:10:37,867 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-07 13:10:37,867 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-09-07 13:10:37,867 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-09-07 13:10:37,868 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,868 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,868 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,868 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,868 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,868 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,868 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-09-07 13:10:37,869 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-09-07 13:10:37,869 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-09-07 13:10:37,869 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-09-07 13:10:37,869 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-09-07 13:10:37,869 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-09-07 13:10:37,869 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-09-07 13:10:37,869 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-09-07 13:10:37,870 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-09-07 13:10:37,870 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-09-07 13:10:37,870 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,870 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,870 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,870 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,871 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,871 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,871 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-09-07 13:10:37,871 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-09-07 13:10:37,871 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-09-07 13:10:37,871 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-09-07 13:10:37,871 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-09-07 13:10:37,871 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-09-07 13:10:37,872 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-09-07 13:10:37,872 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-09-07 13:10:37,872 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-09-07 13:10:37,872 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-09-07 13:10:37,872 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-09-07 13:10:37,872 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-09-07 13:10:37,872 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-09-07 13:10:37,873 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-09-07 13:10:37,873 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-09-07 13:10:37,873 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,873 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,873 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,873 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,874 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,874 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-09-07 13:10:37,874 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-09-07 13:10:37,874 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-09-07 13:10:37,874 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-09-07 13:10:37,874 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-09-07 13:10:37,874 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-09-07 13:10:37,874 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-09-07 13:10:37,875 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-09-07 13:10:37,875 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-09-07 13:10:37,875 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,875 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,875 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,875 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,875 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,876 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-09-07 13:10:37,876 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-09-07 13:10:37,876 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-09-07 13:10:37,876 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-09-07 13:10:37,876 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-09-07 13:10:37,876 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-09-07 13:10:37,876 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-09-07 13:10:37,877 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-09-07 13:10:37,877 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-09-07 13:10:37,877 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-09-07 13:10:37,877 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-09-07 13:10:37,877 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-09-07 13:10:37,877 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-09-07 13:10:37,877 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,878 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,878 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,878 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,878 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,878 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-09-07 13:10:37,878 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-09-07 13:10:37,878 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-09-07 13:10:37,878 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-09-07 13:10:37,879 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-09-07 13:10:37,879 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-09-07 13:10:37,879 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-09-07 13:10:37,879 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-09-07 13:10:37,879 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-09-07 13:10:37,879 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,879 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,879 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,880 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,880 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,880 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,880 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-09-07 13:10:37,880 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,880 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-09-07 13:10:37,880 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-09-07 13:10:37,880 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-09-07 13:10:37,881 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-09-07 13:10:37,881 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-07 13:10:37,881 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-09-07 13:10:37,881 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-09-07 13:10:37,881 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-09-07 13:10:37,881 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-09-07 13:10:37,881 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-09-07 13:10:37,882 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-09-07 13:10:37,882 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-09-07 13:10:37,882 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-09-07 13:10:37,882 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,882 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,882 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,882 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,882 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,883 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-09-07 13:10:37,883 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-09-07 13:10:37,883 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-09-07 13:10:37,883 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-09-07 13:10:37,883 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-09-07 13:10:37,883 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-09-07 13:10:37,883 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-09-07 13:10:37,883 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-09-07 13:10:37,884 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,884 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,884 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,884 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,884 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,884 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-09-07 13:10:37,884 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-09-07 13:10:37,884 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-09-07 13:10:37,885 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-09-07 13:10:37,885 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-09-07 13:10:37,885 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-09-07 13:10:37,885 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-09-07 13:10:37,885 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-09-07 13:10:37,885 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-09-07 13:10:37,885 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-09-07 13:10:37,886 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 443) no Hoare annotation was computed. [2019-09-07 13:10:37,886 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse5 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse7 (= ~a8~0 |old(~a8~0)|))) (let ((.cse4 (= 1 |old(~a20~0)|)) (.cse2 (= 6 |old(~a16~0)|)) (.cse0 (= 4 |old(~a16~0)|)) (.cse1 (and .cse5 .cse6 .cse7)) (.cse3 (and .cse6 .cse7))) (and (or .cse0 .cse1 (= 1 |old(~a17~0)|)) (or .cse2 .cse3 (= 15 |old(~a8~0)|)) (or .cse1 (not (<= |old(~a17~0)| 0))) (or .cse1 .cse4) (or (not (= ~a20~0 1)) .cse4) (or .cse2 .cse0 .cse1) (or (not (<= |old(~a8~0)| 13)) (and .cse3 .cse5))))) [2019-09-07 13:10:37,886 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-09-07 13:10:37,886 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,886 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,886 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,887 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,887 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-09-07 13:10:37,887 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,887 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,887 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-09-07 13:10:37,887 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-09-07 13:10:37,887 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-09-07 13:10:37,887 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-09-07 13:10:37,888 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-09-07 13:10:37,888 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-07 13:10:37,888 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-09-07 13:10:37,888 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-09-07 13:10:37,888 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-09-07 13:10:37,888 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-09-07 13:10:37,889 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-09-07 13:10:37,889 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-09-07 13:10:37,889 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,889 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,889 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,889 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,889 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,890 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-09-07 13:10:37,890 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,890 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-09-07 13:10:37,890 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-09-07 13:10:37,890 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-09-07 13:10:37,890 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-09-07 13:10:37,890 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-09-07 13:10:37,891 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-09-07 13:10:37,891 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-09-07 13:10:37,891 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-09-07 13:10:37,891 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-09-07 13:10:37,891 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-09-07 13:10:37,891 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-09-07 13:10:37,891 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-09-07 13:10:37,891 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-09-07 13:10:37,892 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-09-07 13:10:37,892 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,892 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,892 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,892 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,892 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,892 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:37,893 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-09-07 13:10:37,893 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-09-07 13:10:37,893 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-09-07 13:10:37,893 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-09-07 13:10:37,893 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-09-07 13:10:37,893 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-09-07 13:10:37,893 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-09-07 13:10:37,893 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-09-07 13:10:37,894 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-09-07 13:10:37,894 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-09-07 13:10:37,894 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-07 13:10:37,894 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (<= 1 ~a17~0) (not (= ~a8~0 13)) (not (= ~a16~0 4))) [2019-09-07 13:10:37,894 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-07 13:10:37,894 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-07 13:10:37,895 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 4 |old(~a16~0)|) (= 13 |old(~a8~0)|) (not (<= 1 |old(~a17~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) [2019-09-07 13:10:37,895 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-09-07 13:10:37,895 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= 15 ~a8~0)))) (let ((.cse1 (not (= ~a16~0 6))) (.cse2 (not (= ~a8~0 13))) (.cse4 (not (= ~a16~0 4))) (.cse3 (or (= ~a8~0 |old(~a8~0)|) .cse0))) (or (= 6 |old(~a16~0)|) (and .cse0 .cse1 .cse2) (and (= 13 ~a8~0) (= 15 |old(~a8~0)|)) (= 13 |old(~a8~0)|) (not (<= 1 |old(~a17~0)|)) (and (not (= ~a20~0 1)) .cse2 .cse3) (and (not (= ~a17~0 1)) .cse2 .cse4 .cse3) (= 4 |old(~a16~0)|) (and (= 1 |old(~a17~0)|) (<= ~a17~0 0) .cse2 .cse3) (and (= ~a17~0 |old(~a17~0)|) .cse1 .cse2 .cse4 .cse3)))) [2019-09-07 13:10:37,895 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-09-07 13:10:37,898 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-09-07 13:10:37,898 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= 15 ~a8~0)))) (let ((.cse1 (not (= ~a16~0 6))) (.cse2 (not (= ~a8~0 13))) (.cse4 (not (= ~a16~0 4))) (.cse3 (or (= ~a8~0 |old(~a8~0)|) .cse0))) (or (= 6 |old(~a16~0)|) (and .cse0 .cse1 .cse2) (and (= 13 ~a8~0) (= 15 |old(~a8~0)|)) (= 13 |old(~a8~0)|) (not (<= 1 |old(~a17~0)|)) (and (not (= ~a20~0 1)) .cse2 .cse3) (and (not (= ~a17~0 1)) .cse2 .cse4 .cse3) (= 4 |old(~a16~0)|) (and (= 1 |old(~a17~0)|) (<= ~a17~0 0) .cse2 .cse3) (and (= ~a17~0 |old(~a17~0)|) .cse1 .cse2 .cse4 .cse3)))) [2019-09-07 13:10:37,899 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-09-07 13:10:37,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 01:10:37 BoogieIcfgContainer [2019-09-07 13:10:37,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 13:10:37,923 INFO L168 Benchmark]: Toolchain (without parser) took 10495.12 ms. Allocated memory was 135.3 MB in the beginning and 403.7 MB in the end (delta: 268.4 MB). Free memory was 89.3 MB in the beginning and 341.9 MB in the end (delta: -252.6 MB). Peak memory consumption was 226.9 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:37,924 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-07 13:10:37,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.15 ms. Allocated memory was 135.3 MB in the beginning and 202.9 MB in the end (delta: 67.6 MB). Free memory was 89.1 MB in the beginning and 161.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:37,926 INFO L168 Benchmark]: Boogie Preprocessor took 105.62 ms. Allocated memory is still 202.9 MB. Free memory was 161.1 MB in the beginning and 156.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:37,927 INFO L168 Benchmark]: RCFGBuilder took 1242.86 ms. Allocated memory was 202.9 MB in the beginning and 231.2 MB in the end (delta: 28.3 MB). Free memory was 156.1 MB in the beginning and 172.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:37,928 INFO L168 Benchmark]: TraceAbstraction took 8430.08 ms. Allocated memory was 231.2 MB in the beginning and 403.7 MB in the end (delta: 172.5 MB). Free memory was 171.3 MB in the beginning and 341.9 MB in the end (delta: -170.6 MB). Peak memory consumption was 212.9 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:37,933 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.15 ms. Allocated memory was 135.3 MB in the beginning and 202.9 MB in the end (delta: 67.6 MB). Free memory was 89.1 MB in the beginning and 161.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.62 ms. Allocated memory is still 202.9 MB. Free memory was 161.1 MB in the beginning and 156.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1242.86 ms. Allocated memory was 202.9 MB in the beginning and 231.2 MB in the end (delta: 28.3 MB). Free memory was 156.1 MB in the beginning and 172.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8430.08 ms. Allocated memory was 231.2 MB in the beginning and 403.7 MB in the end (delta: 172.5 MB). Free memory was 171.3 MB in the beginning and 341.9 MB in the end (delta: -170.6 MB). Peak memory consumption was 212.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 443]: 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 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((6 == \old(a16) || ((!(15 == a8) && !(a16 == 6)) && !(a8 == 13))) || (13 == a8 && 15 == \old(a8))) || 13 == \old(a8)) || !(1 <= \old(a17))) || ((!(a20 == 1) && !(a8 == 13)) && (a8 == \old(a8) || !(15 == a8)))) || (((!(a17 == 1) && !(a8 == 13)) && !(a16 == 4)) && (a8 == \old(a8) || !(15 == a8)))) || 4 == \old(a16)) || (((1 == \old(a17) && a17 <= 0) && !(a8 == 13)) && (a8 == \old(a8) || !(15 == a8)))) || ((((a17 == \old(a17) && !(a16 == 6)) && !(a8 == 13)) && !(a16 == 4)) && (a8 == \old(a8) || !(15 == a8))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 8.3s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 353 SDtfs, 1774 SDslu, 191 SDs, 0 SdLazy, 4205 SolverSat, 683 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 320 GetRequests, 288 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1110occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 300 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 60 PreInvPairs, 132 NumberOfFragments, 383 HoareAnnotationTreeSize, 60 FomulaSimplifications, 3502 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1772 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 849 NumberOfCodeBlocks, 849 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 842 ConstructedInterpolants, 0 QuantifiedInterpolants, 357459 SizeOfPredicates, 4 NumberOfNonLiveVariables, 732 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 156/166 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...