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/Problem10_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 01:04:43,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 01:04:43,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 01:04:43,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-02 01:04:43,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 01:04:43,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 01:04:43,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 01:04:43,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 01:04:43,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 01:04:43,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 01:04:43,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 01:04:43,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 01:04:43,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 01:04:43,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 01:04:43,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 01:04:43,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 01:04:43,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 01:04:43,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 01:04:43,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 01:04:43,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 01:04:43,502 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 [2019-10-02 01:04:43,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 01:04:43,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 01:04:43,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 01:04:43,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 01:04:43,529 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 01:04:43,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 01:04:43,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 01:04:43,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 01:04:43,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 01:04:43,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 01:04:43,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 01:04:43,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 01:04:43,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 01:04:43,532 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 01:04:43,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 01:04:43,532 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 01:04:43,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 01:04:43,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 01:04:43,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 01:04:43,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 01:04:43,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 01:04:43,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 01:04:43,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 01:04:43,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 01:04:43,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 01:04:43,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 01:04:43,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 01:04:43,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 01:04:43,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 01:04:43,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 01:04:43,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 01:04:43,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 01:04:43,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 01:04:43,601 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 01:04:43,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label35.c [2019-10-02 01:04:43,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cf0db2ad/1fa403944f754d499f379f963efa3e82/FLAG9e6f5547f [2019-10-02 01:04:44,245 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 01:04:44,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label35.c [2019-10-02 01:04:44,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cf0db2ad/1fa403944f754d499f379f963efa3e82/FLAG9e6f5547f [2019-10-02 01:04:44,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cf0db2ad/1fa403944f754d499f379f963efa3e82 [2019-10-02 01:04:44,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 01:04:44,518 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 01:04:44,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 01:04:44,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 01:04:44,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 01:04:44,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 01:04:44" (1/1) ... [2019-10-02 01:04:44,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdcd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:44, skipping insertion in model container [2019-10-02 01:04:44,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 01:04:44" (1/1) ... [2019-10-02 01:04:44,535 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 01:04:44,579 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 01:04:45,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 01:04:45,110 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 01:04:45,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 01:04:45,267 INFO L192 MainTranslator]: Completed translation [2019-10-02 01:04:45,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:45 WrapperNode [2019-10-02 01:04:45,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 01:04:45,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 01:04:45,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 01:04:45,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 01:04:45,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:45" (1/1) ... [2019-10-02 01:04:45,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:45" (1/1) ... [2019-10-02 01:04:45,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:45" (1/1) ... [2019-10-02 01:04:45,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:45" (1/1) ... [2019-10-02 01:04:45,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:45" (1/1) ... [2019-10-02 01:04:45,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:45" (1/1) ... [2019-10-02 01:04:45,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:45" (1/1) ... [2019-10-02 01:04:45,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 01:04:45,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 01:04:45,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 01:04:45,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 01:04:45,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:45" (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 [2019-10-02 01:04:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 01:04:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 01:04:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-02 01:04:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 01:04:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-02 01:04:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 01:04:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 01:04:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-02 01:04:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 01:04:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 01:04:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 01:04:46,683 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 01:04:46,684 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 01:04:46,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:04:46 BoogieIcfgContainer [2019-10-02 01:04:46,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 01:04:46,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 01:04:46,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 01:04:46,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 01:04:46,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 01:04:44" (1/3) ... [2019-10-02 01:04:46,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1f552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 01:04:46, skipping insertion in model container [2019-10-02 01:04:46,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:45" (2/3) ... [2019-10-02 01:04:46,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1f552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 01:04:46, skipping insertion in model container [2019-10-02 01:04:46,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:04:46" (3/3) ... [2019-10-02 01:04:46,694 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label35.c [2019-10-02 01:04:46,704 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 01:04:46,712 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 01:04:46,730 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 01:04:46,764 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 01:04:46,765 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 01:04:46,765 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 01:04:46,765 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 01:04:46,766 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 01:04:46,766 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 01:04:46,766 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 01:04:46,766 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 01:04:46,766 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 01:04:46,791 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-02 01:04:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-02 01:04:46,800 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:04:46,802 INFO L411 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] [2019-10-02 01:04:46,804 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:04:46,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:04:46,810 INFO L82 PathProgramCache]: Analyzing trace with hash 87735998, now seen corresponding path program 1 times [2019-10-02 01:04:46,812 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:04:46,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:04:46,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:46,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:04:46,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:04:47,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 01:04:47,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 01:04:47,172 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 01:04:47,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 01:04:47,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 01:04:47,190 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2019-10-02 01:04:48,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:04:48,189 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2019-10-02 01:04:48,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 01:04:48,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-10-02 01:04:48,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:04:48,220 INFO L225 Difference]: With dead ends: 571 [2019-10-02 01:04:48,220 INFO L226 Difference]: Without dead ends: 294 [2019-10-02 01:04:48,231 INFO L640 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 [2019-10-02 01:04:48,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-10-02 01:04:48,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2019-10-02 01:04:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-10-02 01:04:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2019-10-02 01:04:48,328 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 57 [2019-10-02 01:04:48,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:04:48,329 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2019-10-02 01:04:48,329 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 01:04:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2019-10-02 01:04:48,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-02 01:04:48,336 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:04:48,337 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 01:04:48,337 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:04:48,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:04:48,338 INFO L82 PathProgramCache]: Analyzing trace with hash 2101552402, now seen corresponding path program 1 times [2019-10-02 01:04:48,338 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:04:48,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:04:48,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:48,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:04:48,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:04:48,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 01:04:48,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 01:04:48,563 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 01:04:48,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 01:04:48,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 01:04:48,565 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 5 states. [2019-10-02 01:04:49,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:04:49,517 INFO L93 Difference]: Finished difference Result 888 states and 1367 transitions. [2019-10-02 01:04:49,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 01:04:49,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2019-10-02 01:04:49,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:04:49,523 INFO L225 Difference]: With dead ends: 888 [2019-10-02 01:04:49,523 INFO L226 Difference]: Without dead ends: 600 [2019-10-02 01:04:49,525 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 01:04:49,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-10-02 01:04:49,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 592. [2019-10-02 01:04:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2019-10-02 01:04:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 867 transitions. [2019-10-02 01:04:49,565 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 867 transitions. Word has length 139 [2019-10-02 01:04:49,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:04:49,566 INFO L475 AbstractCegarLoop]: Abstraction has 592 states and 867 transitions. [2019-10-02 01:04:49,566 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 01:04:49,566 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 867 transitions. [2019-10-02 01:04:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-02 01:04:49,572 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:04:49,573 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 01:04:49,573 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:04:49,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:04:49,573 INFO L82 PathProgramCache]: Analyzing trace with hash 183641138, now seen corresponding path program 1 times [2019-10-02 01:04:49,574 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:04:49,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:04:49,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:49,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:04:49,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:04:49,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 01:04:49,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 01:04:49,843 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 01:04:49,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 01:04:49,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 01:04:49,844 INFO L87 Difference]: Start difference. First operand 592 states and 867 transitions. Second operand 6 states. [2019-10-02 01:04:50,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:04:50,771 INFO L93 Difference]: Finished difference Result 1490 states and 2245 transitions. [2019-10-02 01:04:50,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 01:04:50,771 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2019-10-02 01:04:50,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:04:50,778 INFO L225 Difference]: With dead ends: 1490 [2019-10-02 01:04:50,778 INFO L226 Difference]: Without dead ends: 904 [2019-10-02 01:04:50,780 INFO L640 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 [2019-10-02 01:04:50,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2019-10-02 01:04:50,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 890. [2019-10-02 01:04:50,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2019-10-02 01:04:50,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1300 transitions. [2019-10-02 01:04:50,818 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1300 transitions. Word has length 155 [2019-10-02 01:04:50,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:04:50,819 INFO L475 AbstractCegarLoop]: Abstraction has 890 states and 1300 transitions. [2019-10-02 01:04:50,819 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 01:04:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1300 transitions. [2019-10-02 01:04:50,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-02 01:04:50,824 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:04:50,825 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 01:04:50,825 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:04:50,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:04:50,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1775901982, now seen corresponding path program 1 times [2019-10-02 01:04:50,826 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:04:50,826 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:04:50,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:50,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:04:50,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:04:51,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 01:04:51,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 01:04:51,030 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 01:04:51,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 01:04:51,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 01:04:51,031 INFO L87 Difference]: Start difference. First operand 890 states and 1300 transitions. Second operand 6 states. [2019-10-02 01:04:51,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:04:51,961 INFO L93 Difference]: Finished difference Result 2104 states and 3183 transitions. [2019-10-02 01:04:51,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 01:04:51,961 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 179 [2019-10-02 01:04:51,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:04:51,969 INFO L225 Difference]: With dead ends: 2104 [2019-10-02 01:04:51,969 INFO L226 Difference]: Without dead ends: 1220 [2019-10-02 01:04:51,972 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-02 01:04:51,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2019-10-02 01:04:52,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1192. [2019-10-02 01:04:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2019-10-02 01:04:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1616 transitions. [2019-10-02 01:04:52,015 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1616 transitions. Word has length 179 [2019-10-02 01:04:52,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:04:52,016 INFO L475 AbstractCegarLoop]: Abstraction has 1192 states and 1616 transitions. [2019-10-02 01:04:52,016 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 01:04:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1616 transitions. [2019-10-02 01:04:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-02 01:04:52,021 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:04:52,021 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-10-02 01:04:52,022 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:04:52,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:04:52,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1344572437, now seen corresponding path program 1 times [2019-10-02 01:04:52,022 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:04:52,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:04:52,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:52,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:04:52,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:04:52,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 01:04:52,480 INFO L224 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) [2019-10-02 01:04:52,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 01:04:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:52,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 01:04:52,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 01:04:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:04:52,772 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 01:04:52,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2019-10-02 01:04:52,773 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 01:04:52,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 01:04:52,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2019-10-02 01:04:52,774 INFO L87 Difference]: Start difference. First operand 1192 states and 1616 transitions. Second operand 15 states. [2019-10-02 01:04:53,912 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2019-10-02 01:04:57,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:04:57,061 INFO L93 Difference]: Finished difference Result 3369 states and 4994 transitions. [2019-10-02 01:04:57,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-10-02 01:04:57,062 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 218 [2019-10-02 01:04:57,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:04:57,083 INFO L225 Difference]: With dead ends: 3369 [2019-10-02 01:04:57,083 INFO L226 Difference]: Without dead ends: 2013 [2019-10-02 01:04:57,090 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=457, Invalid=1435, Unknown=0, NotChecked=0, Total=1892 [2019-10-02 01:04:57,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2019-10-02 01:04:57,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1647. [2019-10-02 01:04:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1647 states. [2019-10-02 01:04:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2140 transitions. [2019-10-02 01:04:57,180 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 2140 transitions. Word has length 218 [2019-10-02 01:04:57,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:04:57,180 INFO L475 AbstractCegarLoop]: Abstraction has 1647 states and 2140 transitions. [2019-10-02 01:04:57,181 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 01:04:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2140 transitions. [2019-10-02 01:04:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-02 01:04:57,186 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:04:57,186 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-10-02 01:04:57,186 INFO L418 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:04:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:04:57,187 INFO L82 PathProgramCache]: Analyzing trace with hash 2104798097, now seen corresponding path program 1 times [2019-10-02 01:04:57,187 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:04:57,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:04:57,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:57,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:04:57,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-02 01:04:57,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 01:04:57,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 01:04:57,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 01:04:57,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 01:04:57,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 01:04:57,348 INFO L87 Difference]: Start difference. First operand 1647 states and 2140 transitions. Second operand 4 states. [2019-10-02 01:04:58,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:04:58,231 INFO L93 Difference]: Finished difference Result 3435 states and 4511 transitions. [2019-10-02 01:04:58,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 01:04:58,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 232 [2019-10-02 01:04:58,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:04:58,232 INFO L225 Difference]: With dead ends: 3435 [2019-10-02 01:04:58,233 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 01:04:58,242 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 01:04:58,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 01:04:58,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 01:04:58,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 01:04:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 01:04:58,243 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2019-10-02 01:04:58,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:04:58,245 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 01:04:58,245 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 01:04:58,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 01:04:58,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 01:04:58,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 01:04:58,872 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 35 [2019-10-02 01:04:59,224 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 45 [2019-10-02 01:04:59,508 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 45 [2019-10-02 01:04:59,511 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 01:04:59,512 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-10-02 01:04:59,512 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 01:04:59,512 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-02 01:04:59,512 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,512 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,512 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,512 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,513 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,513 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,513 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-02 01:04:59,513 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-02 01:04:59,513 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-02 01:04:59,513 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-02 01:04:59,513 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-02 01:04:59,514 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-02 01:04:59,514 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-02 01:04:59,514 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-02 01:04:59,514 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-02 01:04:59,521 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-02 01:04:59,521 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-02 01:04:59,522 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,522 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,522 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,522 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,522 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,522 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-02 01:04:59,523 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-02 01:04:59,523 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-02 01:04:59,523 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-02 01:04:59,523 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-02 01:04:59,523 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-02 01:04:59,523 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-02 01:04:59,523 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-02 01:04:59,523 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-02 01:04:59,524 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-02 01:04:59,524 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-02 01:04:59,524 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-02 01:04:59,524 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-02 01:04:59,527 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-02 01:04:59,527 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,528 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,528 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,528 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,528 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,528 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-02 01:04:59,528 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-02 01:04:59,528 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-02 01:04:59,528 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-02 01:04:59,529 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-02 01:04:59,529 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-02 01:04:59,529 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-02 01:04:59,529 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-02 01:04:59,529 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-02 01:04:59,529 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-02 01:04:59,529 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,529 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,530 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,530 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,530 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,530 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-02 01:04:59,536 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-02 01:04:59,536 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-02 01:04:59,536 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-02 01:04:59,536 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-02 01:04:59,536 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-02 01:04:59,536 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-02 01:04:59,536 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-02 01:04:59,537 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-02 01:04:59,537 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-02 01:04:59,537 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-02 01:04:59,537 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-02 01:04:59,537 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-02 01:04:59,537 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,537 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,537 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,538 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,538 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,538 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-02 01:04:59,538 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-02 01:04:59,538 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-02 01:04:59,538 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-02 01:04:59,538 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-02 01:04:59,538 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-02 01:04:59,538 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-02 01:04:59,539 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-02 01:04:59,539 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-02 01:04:59,539 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,539 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,539 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,539 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,539 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,539 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,540 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,540 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-02 01:04:59,540 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-02 01:04:59,540 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-02 01:04:59,542 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-02 01:04:59,542 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-02 01:04:59,542 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-02 01:04:59,543 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-02 01:04:59,543 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-02 01:04:59,543 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-02 01:04:59,543 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-02 01:04:59,543 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-02 01:04:59,543 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-02 01:04:59,543 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-02 01:04:59,543 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,544 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,544 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,544 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,544 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-02 01:04:59,544 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,544 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,544 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-02 01:04:59,544 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-02 01:04:59,545 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-02 01:04:59,545 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-02 01:04:59,545 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-02 01:04:59,545 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-02 01:04:59,545 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-02 01:04:59,545 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-02 01:04:59,545 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-02 01:04:59,545 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-02 01:04:59,545 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-02 01:04:59,546 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-02 01:04:59,546 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-02 01:04:59,546 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,546 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,547 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,547 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,547 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,547 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,547 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-02 01:04:59,547 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-02 01:04:59,547 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-02 01:04:59,548 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-02 01:04:59,548 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-02 01:04:59,548 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-02 01:04:59,548 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-02 01:04:59,550 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2019-10-02 01:04:59,550 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-02 01:04:59,553 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-02 01:04:59,553 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-02 01:04:59,554 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-02 01:04:59,554 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse3 (= ~a19~0 |old(~a19~0)|)) (.cse4 (= ~a1~0 |old(~a1~0)|))) (let ((.cse0 (= 10 |old(~a19~0)|)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse5 (and (= ~a10~0 |old(~a10~0)|) .cse3 .cse4))) (and (or .cse0 .cse1 .cse2 (and (= ~a10~0 2) .cse3 .cse4) (not (= 2 |old(~a10~0)|))) (or (or .cse1 .cse2 (not (<= |old(~a10~0)| 1))) .cse5) (or (= 7 |old(~a19~0)|) .cse0 .cse1 .cse2 .cse5)))) [2019-10-02 01:04:59,554 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-02 01:04:59,554 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-02 01:04:59,554 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-02 01:04:59,554 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,555 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,555 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,555 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,555 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,555 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,555 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-02 01:04:59,555 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-02 01:04:59,555 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-02 01:04:59,555 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-02 01:04:59,556 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-02 01:04:59,556 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-02 01:04:59,556 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-02 01:04:59,556 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-02 01:04:59,558 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-02 01:04:59,558 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-02 01:04:59,558 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-02 01:04:59,558 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-02 01:04:59,559 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-02 01:04:59,559 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,559 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,559 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,560 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,560 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-02 01:04:59,561 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-02 01:04:59,562 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-02 01:04:59,562 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-02 01:04:59,562 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,562 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,562 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,562 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,562 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,562 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:04:59,563 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-02 01:04:59,563 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-02 01:04:59,563 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-02 01:04:59,563 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-02 01:04:59,563 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-02 01:04:59,563 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-02 01:04:59,563 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-02 01:04:59,563 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-02 01:04:59,563 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-02 01:04:59,564 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-02 01:04:59,564 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-02 01:04:59,564 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-02 01:04:59,564 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 01:04:59,564 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (not (= ~a19~0 7)) (= 14 ~a4~0) (= ~a12~0 0) (not (= 10 ~a19~0)) (<= ~a10~0 1)) [2019-10-02 01:04:59,564 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 01:04:59,564 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 01:04:59,565 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) (= 7 |old(~a19~0)|) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (<= |old(~a10~0)| 1)) (not (<= |old(~a1~0)| 23))) [2019-10-02 01:04:59,565 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-02 01:04:59,565 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (or (not (= 8 |old(~a19~0)|)) (not (= 1 |old(~a10~0)|)))) (.cse1 (not (= 10 ~a19~0)))) (or (and .cse0 (<= ~a10~0 1)) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (and (not (= ~a19~0 7)) .cse0 .cse1) (and (= ~a10~0 |old(~a10~0)|) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a10~0)| 1)) (not (<= |old(~a1~0)| 23)) (= 7 |old(~a19~0)|) (and (= ~a10~0 2) .cse0 .cse1) (not (= 0 ~a12~0)))) [2019-10-02 01:04:59,565 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-02 01:04:59,565 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-02 01:04:59,565 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (or (not (= 8 |old(~a19~0)|)) (not (= 1 |old(~a10~0)|)))) (.cse1 (not (= 10 ~a19~0)))) (or (and .cse0 (<= ~a10~0 1)) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (and (not (= ~a19~0 7)) .cse0 .cse1) (and (= ~a10~0 |old(~a10~0)|) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a10~0)| 1)) (not (<= |old(~a1~0)| 23)) (= 7 |old(~a19~0)|) (and (= ~a10~0 2) .cse0 .cse1) (not (= 0 ~a12~0)))) [2019-10-02 01:04:59,566 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-02 01:04:59,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 01:04:59 BoogieIcfgContainer [2019-10-02 01:04:59,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 01:04:59,594 INFO L168 Benchmark]: Toolchain (without parser) took 15076.38 ms. Allocated memory was 132.1 MB in the beginning and 463.5 MB in the end (delta: 331.4 MB). Free memory was 86.9 MB in the beginning and 116.7 MB in the end (delta: -29.7 MB). Peak memory consumption was 301.6 MB. Max. memory is 7.1 GB. [2019-10-02 01:04:59,597 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 01:04:59,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.27 ms. Allocated memory was 132.1 MB in the beginning and 201.9 MB in the end (delta: 69.7 MB). Free memory was 86.7 MB in the beginning and 164.9 MB in the end (delta: -78.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-10-02 01:04:59,599 INFO L168 Benchmark]: Boogie Preprocessor took 116.52 ms. Allocated memory is still 201.9 MB. Free memory was 164.9 MB in the beginning and 160.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-02 01:04:59,603 INFO L168 Benchmark]: RCFGBuilder took 1298.30 ms. Allocated memory was 201.9 MB in the beginning and 224.9 MB in the end (delta: 23.1 MB). Free memory was 160.1 MB in the beginning and 176.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-10-02 01:04:59,605 INFO L168 Benchmark]: TraceAbstraction took 12905.59 ms. Allocated memory was 224.9 MB in the beginning and 463.5 MB in the end (delta: 238.6 MB). Free memory was 176.7 MB in the beginning and 116.7 MB in the end (delta: 60.1 MB). Peak memory consumption was 298.6 MB. Max. memory is 7.1 GB. [2019-10-02 01:04:59,613 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.27 ms. Allocated memory was 132.1 MB in the beginning and 201.9 MB in the end (delta: 69.7 MB). Free memory was 86.7 MB in the beginning and 164.9 MB in the end (delta: -78.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.52 ms. Allocated memory is still 201.9 MB. Free memory was 164.9 MB in the beginning and 160.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1298.30 ms. Allocated memory was 201.9 MB in the beginning and 224.9 MB in the end (delta: 23.1 MB). Free memory was 160.1 MB in the beginning and 176.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12905.59 ms. Allocated memory was 224.9 MB in the beginning and 463.5 MB in the end (delta: 238.6 MB). Free memory was 176.7 MB in the beginning and 116.7 MB in the end (delta: 60.1 MB). Peak memory consumption was 298.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 157]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((!(8 == \old(a19)) || !(1 == \old(a10))) && a10 <= 1) || 10 == \old(a19)) || !(14 == a4)) || ((!(a19 == 7) && (!(8 == \old(a19)) || !(1 == \old(a10)))) && !(10 == a19))) || ((a10 == \old(a10) && a1 <= 23) && a19 == \old(a19))) || !(\old(a10) <= 1)) || !(\old(a1) <= 23)) || 7 == \old(a19)) || ((a10 == 2 && (!(8 == \old(a19)) || !(1 == \old(a10)))) && !(10 == a19))) || !(0 == a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 12.8s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 9.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 185 SDtfs, 3201 SDslu, 291 SDs, 0 SdLazy, 5341 SolverSat, 1331 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 312 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1647occurred in iteration=5, 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, 6 MinimizatonAttempts, 416 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 54 PreInvPairs, 88 NumberOfFragments, 303 HoareAnnotationTreeSize, 54 FomulaSimplifications, 4311 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3563 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1198 NumberOfCodeBlocks, 1198 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1191 ConstructedInterpolants, 0 QuantifiedInterpolants, 1058188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 395 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 681/685 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...