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_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 13:08:21,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 13:08:21,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 13:08:21,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-07 13:08:21,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 13:08:21,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 13:08:21,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 13:08:21,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 13:08:21,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 13:08:21,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 13:08:21,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 13:08:21,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 13:08:21,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 13:08:21,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 13:08:21,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 13:08:21,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 13:08:21,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 13:08:21,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 13:08:21,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 13:08:21,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 13:08:21,437 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 13:08:21,452 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 13:08:21,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 13:08:21,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 13:08:21,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 13:08:21,454 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 13:08:21,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 13:08:21,454 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 13:08:21,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 13:08:21,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 13:08:21,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 13:08:21,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 13:08:21,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 13:08:21,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 13:08:21,456 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 13:08:21,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 13:08:21,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 13:08:21,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 13:08:21,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 13:08:21,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 13:08:21,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 13:08:21,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 13:08:21,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 13:08:21,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 13:08:21,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 13:08:21,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 13:08:21,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 13:08:21,458 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 13:08:21,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 13:08:21,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 13:08:21,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 13:08:21,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 13:08:21,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 13:08:21,505 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 13:08:21,506 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 13:08:21,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label13.c [2019-09-07 13:08:21,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94d5f14ad/2309d0a09332470b8b80304e56864190/FLAG8cb3d32ea [2019-09-07 13:08:22,125 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 13:08:22,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label13.c [2019-09-07 13:08:22,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94d5f14ad/2309d0a09332470b8b80304e56864190/FLAG8cb3d32ea [2019-09-07 13:08:22,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94d5f14ad/2309d0a09332470b8b80304e56864190 [2019-09-07 13:08:22,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 13:08:22,468 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 13:08:22,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 13:08:22,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 13:08:22,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 13:08:22,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:08:22" (1/1) ... [2019-09-07 13:08:22,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@822f784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:22, skipping insertion in model container [2019-09-07 13:08:22,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:08:22" (1/1) ... [2019-09-07 13:08:22,486 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 13:08:22,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 13:08:23,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 13:08:23,107 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 13:08:23,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 13:08:23,259 INFO L192 MainTranslator]: Completed translation [2019-09-07 13:08:23,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:23 WrapperNode [2019-09-07 13:08:23,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 13:08:23,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 13:08:23,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 13:08:23,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 13:08:23,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:23" (1/1) ... [2019-09-07 13:08:23,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:23" (1/1) ... [2019-09-07 13:08:23,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:23" (1/1) ... [2019-09-07 13:08:23,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:23" (1/1) ... [2019-09-07 13:08:23,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:23" (1/1) ... [2019-09-07 13:08:23,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:23" (1/1) ... [2019-09-07 13:08:23,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:23" (1/1) ... [2019-09-07 13:08:23,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 13:08:23,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 13:08:23,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 13:08:23,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 13:08:23,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:23" (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 13:08:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 13:08:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 13:08:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-07 13:08:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 13:08:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-07 13:08:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 13:08:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 13:08:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-07 13:08:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 13:08:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 13:08:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 13:08:24,593 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 13:08:24,593 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-07 13:08:24,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:08:24 BoogieIcfgContainer [2019-09-07 13:08:24,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 13:08:24,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 13:08:24,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 13:08:24,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 13:08:24,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 01:08:22" (1/3) ... [2019-09-07 13:08:24,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556e2bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:08:24, skipping insertion in model container [2019-09-07 13:08:24,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:08:23" (2/3) ... [2019-09-07 13:08:24,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556e2bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:08:24, skipping insertion in model container [2019-09-07 13:08:24,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:08:24" (3/3) ... [2019-09-07 13:08:24,614 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label13.c [2019-09-07 13:08:24,628 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 13:08:24,637 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 13:08:24,655 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 13:08:24,691 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 13:08:24,691 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 13:08:24,692 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 13:08:24,692 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 13:08:24,692 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 13:08:24,692 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 13:08:24,692 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 13:08:24,693 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 13:08:24,693 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 13:08:24,721 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-09-07 13:08:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-07 13:08:24,736 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:08:24,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:24,740 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:08:24,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:08:24,746 INFO L82 PathProgramCache]: Analyzing trace with hash -2118591881, now seen corresponding path program 1 times [2019-09-07 13:08:24,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:08:24,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:08:24,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:08:24,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:08:24,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:08:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:08:25,262 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 13:08:25,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:08:25,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:08:25,273 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:08:25,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:08:25,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:08:25,292 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2019-09-07 13:08:26,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:08:26,245 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2019-09-07 13:08:26,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:08:26,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-09-07 13:08:26,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:08:26,275 INFO L225 Difference]: With dead ends: 547 [2019-09-07 13:08:26,275 INFO L226 Difference]: Without dead ends: 278 [2019-09-07 13:08:26,286 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 13:08:26,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-09-07 13:08:26,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-09-07 13:08:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-09-07 13:08:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2019-09-07 13:08:26,395 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 129 [2019-09-07 13:08:26,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:08:26,398 INFO L475 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2019-09-07 13:08:26,398 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:08:26,398 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2019-09-07 13:08:26,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-09-07 13:08:26,413 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:08:26,414 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:26,415 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:08:26,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:08:26,416 INFO L82 PathProgramCache]: Analyzing trace with hash -2105809670, now seen corresponding path program 1 times [2019-09-07 13:08:26,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:08:26,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:08:26,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:08:26,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:08:26,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:08:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:08:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:08:26,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:08:26,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-07 13:08:26,607 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-07 13:08:26,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-07 13:08:26,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-07 13:08:26,608 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2019-09-07 13:08:27,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:08:27,359 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2019-09-07 13:08:27,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 13:08:27,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2019-09-07 13:08:27,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:08:27,365 INFO L225 Difference]: With dead ends: 840 [2019-09-07 13:08:27,366 INFO L226 Difference]: Without dead ends: 568 [2019-09-07 13:08:27,367 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-07 13:08:27,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-09-07 13:08:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2019-09-07 13:08:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2019-09-07 13:08:27,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2019-09-07 13:08:27,406 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 138 [2019-09-07 13:08:27,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:08:27,406 INFO L475 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2019-09-07 13:08:27,406 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-07 13:08:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2019-09-07 13:08:27,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-09-07 13:08:27,410 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:08:27,410 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 13:08:27,410 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:08:27,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:08:27,411 INFO L82 PathProgramCache]: Analyzing trace with hash 331870355, now seen corresponding path program 1 times [2019-09-07 13:08:27,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:08:27,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:08:27,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:08:27,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:08:27,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:08:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:08:27,503 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:08:27,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 13:08:27,504 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 13:08:27,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:08:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:08:27,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 13:08:27,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 13:08:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-07 13:08:27,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 13:08:27,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-09-07 13:08:27,796 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-07 13:08:27,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-07 13:08:27,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-07 13:08:27,798 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 7 states. [2019-09-07 13:08:29,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:08:29,433 INFO L93 Difference]: Finished difference Result 1960 states and 2898 transitions. [2019-09-07 13:08:29,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-07 13:08:29,435 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 149 [2019-09-07 13:08:29,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:08:29,452 INFO L225 Difference]: With dead ends: 1960 [2019-09-07 13:08:29,453 INFO L226 Difference]: Without dead ends: 1408 [2019-09-07 13:08:29,456 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2019-09-07 13:08:29,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2019-09-07 13:08:29,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1382. [2019-09-07 13:08:29,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2019-09-07 13:08:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1890 transitions. [2019-09-07 13:08:29,548 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1890 transitions. Word has length 149 [2019-09-07 13:08:29,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:08:29,548 INFO L475 AbstractCegarLoop]: Abstraction has 1382 states and 1890 transitions. [2019-09-07 13:08:29,548 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-07 13:08:29,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1890 transitions. [2019-09-07 13:08:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-09-07 13:08:29,554 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:08:29,554 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:29,554 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:08:29,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:08:29,555 INFO L82 PathProgramCache]: Analyzing trace with hash -668363314, now seen corresponding path program 1 times [2019-09-07 13:08:29,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:08:29,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:08:29,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:08:29,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:08:29,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:08:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:08:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:08:29,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:08:29,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:08:29,752 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:08:29,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:08:29,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:08:29,753 INFO L87 Difference]: Start difference. First operand 1382 states and 1890 transitions. Second operand 3 states. [2019-09-07 13:08:30,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:08:30,276 INFO L93 Difference]: Finished difference Result 1795 states and 2468 transitions. [2019-09-07 13:08:30,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:08:30,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-09-07 13:08:30,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:08:30,288 INFO L225 Difference]: With dead ends: 1795 [2019-09-07 13:08:30,288 INFO L226 Difference]: Without dead ends: 1793 [2019-09-07 13:08:30,290 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 13:08:30,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2019-09-07 13:08:30,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1656. [2019-09-07 13:08:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2019-09-07 13:08:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2266 transitions. [2019-09-07 13:08:30,369 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2266 transitions. Word has length 148 [2019-09-07 13:08:30,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:08:30,371 INFO L475 AbstractCegarLoop]: Abstraction has 1656 states and 2266 transitions. [2019-09-07 13:08:30,372 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:08:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2266 transitions. [2019-09-07 13:08:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-09-07 13:08:30,379 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:08:30,380 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 13:08:30,381 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:08:30,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:08:30,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1576691879, now seen corresponding path program 1 times [2019-09-07 13:08:30,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:08:30,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:08:30,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:08:30,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:08:30,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:08:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:08:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:08:30,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 13:08:30,574 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 13:08:30,593 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 13:08:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:08:30,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 13:08:30,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 13:08:30,720 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-07 13:08:30,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 13:08:30,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-09-07 13:08:30,726 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-07 13:08:30,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-07 13:08:30,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-07 13:08:30,727 INFO L87 Difference]: Start difference. First operand 1656 states and 2266 transitions. Second operand 7 states. [2019-09-07 13:08:32,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:08:32,431 INFO L93 Difference]: Finished difference Result 4619 states and 6512 transitions. [2019-09-07 13:08:32,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-07 13:08:32,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2019-09-07 13:08:32,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:08:32,433 INFO L225 Difference]: With dead ends: 4619 [2019-09-07 13:08:32,433 INFO L226 Difference]: Without dead ends: 0 [2019-09-07 13:08:32,442 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2019-09-07 13:08:32,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-07 13:08:32,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-07 13:08:32,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-07 13:08:32,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-07 13:08:32,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2019-09-07 13:08:32,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:08:32,443 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-07 13:08:32,443 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-07 13:08:32,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-07 13:08:32,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-07 13:08:32,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-07 13:08:32,975 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 53 [2019-09-07 13:08:33,112 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-07 13:08:33,233 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-07 13:08:33,237 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-07 13:08:33,237 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2019-09-07 13:08:33,238 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-07 13:08:33,238 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-09-07 13:08:33,238 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-09-07 13:08:33,238 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2019-09-07 13:08:33,238 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,238 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,239 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,239 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,239 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,239 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,239 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-09-07 13:08:33,239 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-09-07 13:08:33,240 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-09-07 13:08:33,240 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-09-07 13:08:33,240 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-09-07 13:08:33,240 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-09-07 13:08:33,240 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-09-07 13:08:33,240 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-09-07 13:08:33,241 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-09-07 13:08:33,241 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-09-07 13:08:33,241 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,241 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,241 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,241 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,241 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,242 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,242 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-09-07 13:08:33,242 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-09-07 13:08:33,242 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-09-07 13:08:33,242 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-09-07 13:08:33,242 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-09-07 13:08:33,243 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-09-07 13:08:33,243 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-09-07 13:08:33,243 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-09-07 13:08:33,243 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-09-07 13:08:33,243 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-09-07 13:08:33,243 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-09-07 13:08:33,243 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-09-07 13:08:33,244 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-09-07 13:08:33,244 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-09-07 13:08:33,244 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-09-07 13:08:33,244 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,244 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,244 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,244 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,244 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,245 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-09-07 13:08:33,245 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-09-07 13:08:33,245 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-09-07 13:08:33,245 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-09-07 13:08:33,245 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-09-07 13:08:33,245 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-09-07 13:08:33,246 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-09-07 13:08:33,246 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-09-07 13:08:33,246 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-09-07 13:08:33,246 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,246 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,246 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,246 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,247 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,247 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-09-07 13:08:33,247 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-09-07 13:08:33,247 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-09-07 13:08:33,247 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-09-07 13:08:33,247 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-09-07 13:08:33,248 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-09-07 13:08:33,248 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-09-07 13:08:33,248 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-09-07 13:08:33,248 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-09-07 13:08:33,248 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-09-07 13:08:33,248 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-09-07 13:08:33,248 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-09-07 13:08:33,248 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-09-07 13:08:33,249 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,249 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,249 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,249 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,249 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,249 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-09-07 13:08:33,249 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-09-07 13:08:33,249 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-09-07 13:08:33,250 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-09-07 13:08:33,250 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-09-07 13:08:33,250 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-09-07 13:08:33,250 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-09-07 13:08:33,250 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-09-07 13:08:33,250 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-09-07 13:08:33,251 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,251 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,251 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,251 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,251 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,251 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,251 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-09-07 13:08:33,252 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,252 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-09-07 13:08:33,252 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-09-07 13:08:33,252 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-09-07 13:08:33,252 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-09-07 13:08:33,252 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-07 13:08:33,252 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-09-07 13:08:33,253 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-09-07 13:08:33,253 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-09-07 13:08:33,253 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-09-07 13:08:33,253 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-09-07 13:08:33,253 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-09-07 13:08:33,253 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-09-07 13:08:33,253 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-09-07 13:08:33,253 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,254 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,254 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,254 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,254 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,254 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-09-07 13:08:33,254 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-09-07 13:08:33,254 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-09-07 13:08:33,255 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-09-07 13:08:33,255 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-09-07 13:08:33,255 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-09-07 13:08:33,255 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-09-07 13:08:33,255 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-09-07 13:08:33,255 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,256 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,256 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,256 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,256 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,257 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-09-07 13:08:33,257 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-09-07 13:08:33,257 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-09-07 13:08:33,257 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-09-07 13:08:33,257 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-09-07 13:08:33,258 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-09-07 13:08:33,258 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-09-07 13:08:33,258 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-09-07 13:08:33,258 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-09-07 13:08:33,259 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-09-07 13:08:33,259 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a8~0 |old(~a8~0)|)) (.cse14 (not (= ~a16~0 6))) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse6 (= ~a21~0 |old(~a21~0)|))) (let ((.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (= 1 |old(~a7~0)|)) (.cse4 (not (= 1 ~a7~0))) (.cse13 (not (<= |old(~a17~0)| 0))) (.cse7 (and .cse2 .cse3 .cse14 .cse5 .cse6)) (.cse12 (not (<= |old(~a20~0)| 0))) (.cse8 (= 6 |old(~a16~0)|)) (.cse9 (not (= 1 |old(~a20~0)|))) (.cse10 (= ~a17~0 1)) (.cse11 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) (= 13 |old(~a8~0)|)) (or .cse7 (or .cse8 .cse0)) (or .cse0 .cse1 .cse9 (and .cse3 .cse10 .cse4 .cse5 .cse6) .cse11) (or .cse8 .cse0 .cse1 .cse4 .cse12) (or (and .cse2 .cse3 .cse5 .cse6) .cse13) (or .cse8 .cse14 .cse13) (or .cse8 .cse7 .cse12) (or .cse8 .cse9 (and .cse3 .cse14 .cse10 .cse5 .cse6) .cse11)))) [2019-09-07 13:08:33,259 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-09-07 13:08:33,260 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,260 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,260 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,260 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,260 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-09-07 13:08:33,260 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,261 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,261 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-09-07 13:08:33,261 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-09-07 13:08:33,261 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-09-07 13:08:33,261 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-09-07 13:08:33,262 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-09-07 13:08:33,262 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-07 13:08:33,262 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-09-07 13:08:33,262 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-09-07 13:08:33,262 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-09-07 13:08:33,263 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-09-07 13:08:33,263 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-09-07 13:08:33,263 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-09-07 13:08:33,263 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,263 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,263 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,263 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,264 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,264 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-09-07 13:08:33,264 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,264 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-09-07 13:08:33,264 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-09-07 13:08:33,264 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-09-07 13:08:33,264 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-09-07 13:08:33,265 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-09-07 13:08:33,265 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-09-07 13:08:33,265 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-09-07 13:08:33,265 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-09-07 13:08:33,265 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-09-07 13:08:33,265 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-09-07 13:08:33,266 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-09-07 13:08:33,266 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-09-07 13:08:33,266 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-09-07 13:08:33,266 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-09-07 13:08:33,266 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,266 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,266 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,267 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,267 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,267 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:08:33,267 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-09-07 13:08:33,267 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-09-07 13:08:33,267 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-09-07 13:08:33,267 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-09-07 13:08:33,268 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-09-07 13:08:33,268 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-09-07 13:08:33,268 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-09-07 13:08:33,268 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-09-07 13:08:33,268 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-09-07 13:08:33,268 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-09-07 13:08:33,268 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-07 13:08:33,269 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (= ~a17~0 1) (not (= 1 ~a7~0)) (= ~a21~0 1) (= ~a20~0 1) (not (= ~a8~0 13))) [2019-09-07 13:08:33,269 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-07 13:08:33,269 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-07 13:08:33,269 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (and (= ~a8~0 |old(~a8~0)|) (not (= ~a16~0 6)) (= ~a17~0 1) (not (= 1 ~a7~0)) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) (not (= 1 |old(~a17~0)|))) [2019-09-07 13:08:33,269 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-09-07 13:08:33,270 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse2 (= ~a17~0 1)) (.cse4 (= ~a20~0 1)) (.cse3 (not (= 1 ~a7~0))) (.cse1 (= ~a21~0 1))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (and .cse2 .cse3 .cse1 .cse4) (= 13 |old(~a8~0)|) (and .cse0 (<= ~a20~0 0)) (<= ~a17~0 0) (and .cse0 .cse2 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse3 .cse1 (not (= ~a8~0 13))) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)))) [2019-09-07 13:08:33,270 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-09-07 13:08:33,270 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-09-07 13:08:33,270 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse2 (= ~a17~0 1)) (.cse4 (= ~a20~0 1)) (.cse3 (not (= 1 ~a7~0))) (.cse1 (= ~a21~0 1))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (and .cse2 .cse3 .cse1 .cse4) (= 13 |old(~a8~0)|) (and .cse0 (<= ~a20~0 0)) (<= ~a17~0 0) (and .cse0 .cse2 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse3 .cse1 (not (= ~a8~0 13))) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)))) [2019-09-07 13:08:33,271 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-09-07 13:08:33,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 01:08:33 BoogieIcfgContainer [2019-09-07 13:08:33,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 13:08:33,302 INFO L168 Benchmark]: Toolchain (without parser) took 10834.62 ms. Allocated memory was 133.7 MB in the beginning and 367.0 MB in the end (delta: 233.3 MB). Free memory was 87.2 MB in the beginning and 120.3 MB in the end (delta: -33.1 MB). Peak memory consumption was 200.2 MB. Max. memory is 7.1 GB. [2019-09-07 13:08:33,303 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-07 13:08:33,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.72 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 160.2 MB in the end (delta: -73.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-09-07 13:08:33,307 INFO L168 Benchmark]: Boogie Preprocessor took 103.69 ms. Allocated memory is still 201.3 MB. Free memory was 160.2 MB in the beginning and 155.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-07 13:08:33,310 INFO L168 Benchmark]: RCFGBuilder took 1233.50 ms. Allocated memory was 201.3 MB in the beginning and 227.5 MB in the end (delta: 26.2 MB). Free memory was 155.6 MB in the beginning and 171.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-09-07 13:08:33,311 INFO L168 Benchmark]: TraceAbstraction took 8699.22 ms. Allocated memory was 227.5 MB in the beginning and 367.0 MB in the end (delta: 139.5 MB). Free memory was 171.9 MB in the beginning and 120.3 MB in the end (delta: 51.5 MB). Peak memory consumption was 191.0 MB. Max. memory is 7.1 GB. [2019-09-07 13:08:33,322 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 133.7 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 790.72 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 160.2 MB in the end (delta: -73.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.69 ms. Allocated memory is still 201.3 MB. Free memory was 160.2 MB in the beginning and 155.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1233.50 ms. Allocated memory was 201.3 MB in the beginning and 227.5 MB in the end (delta: 26.2 MB). Free memory was 155.6 MB in the beginning and 171.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8699.22 ms. Allocated memory was 227.5 MB in the beginning and 367.0 MB in the end (delta: 139.5 MB). Free memory was 171.9 MB in the beginning and 120.3 MB in the end (delta: 51.5 MB). Peak memory consumption was 191.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: 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) || !(1 == \old(a21))) || (!(a16 == 6) && a21 == 1)) || (((a17 == 1 && !(1 == a7)) && a21 == 1) && a20 == 1)) || 13 == \old(a8)) || (!(a16 == 6) && a20 <= 0)) || a17 <= 0) || ((!(a16 == 6) && a17 == 1) && a20 == 1)) || !(1 == \old(a17))) || ((!(1 == a7) && a21 == 1) && !(a8 == 13))) || 1 == \old(a7)) || !(1 == \old(a20)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 5.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 167 SDtfs, 1735 SDslu, 230 SDs, 0 SdLazy, 3737 SolverSat, 671 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 374 GetRequests, 340 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1656occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 173 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 50 PreInvPairs, 100 NumberOfFragments, 426 HoareAnnotationTreeSize, 50 FomulaSimplifications, 2038 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 777 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1047 NumberOfCodeBlocks, 1047 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1040 ConstructedInterpolants, 0 QuantifiedInterpolants, 391566 SizeOfPredicates, 4 NumberOfNonLiveVariables, 893 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 158/162 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...