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_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 13:07:42,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 13:07:42,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 13:07:42,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-07 13:07:42,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 13:07:42,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 13:07:42,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 13:07:42,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 13:07:42,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 13:07:42,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 13:07:42,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 13:07:42,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 13:07:42,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 13:07:42,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 13:07:42,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 13:07:42,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 13:07:42,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 13:07:42,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 13:07:42,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 13:07:42,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 13:07:42,351 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 13:07:42,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 13:07:42,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 13:07:42,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 13:07:42,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 13:07:42,378 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 13:07:42,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 13:07:42,379 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 13:07:42,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 13:07:42,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 13:07:42,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 13:07:42,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 13:07:42,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 13:07:42,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 13:07:42,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 13:07:42,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 13:07:42,382 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 13:07:42,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 13:07:42,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 13:07:42,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 13:07:42,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 13:07:42,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 13:07:42,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 13:07:42,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 13:07:42,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 13:07:42,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 13:07:42,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 13:07:42,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 13:07:42,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 13:07:42,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 13:07:42,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 13:07:42,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 13:07:42,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 13:07:42,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 13:07:42,466 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 13:07:42,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label02.c [2019-09-07 13:07:42,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b16b380b/f04123d46f3146be95fd5288671b1363/FLAGee0955f0c [2019-09-07 13:07:43,089 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 13:07:43,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label02.c [2019-09-07 13:07:43,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b16b380b/f04123d46f3146be95fd5288671b1363/FLAGee0955f0c [2019-09-07 13:07:43,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b16b380b/f04123d46f3146be95fd5288671b1363 [2019-09-07 13:07:43,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 13:07:43,429 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 13:07:43,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 13:07:43,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 13:07:43,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 13:07:43,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:07:43" (1/1) ... [2019-09-07 13:07:43,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f255d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:43, skipping insertion in model container [2019-09-07 13:07:43,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:07:43" (1/1) ... [2019-09-07 13:07:43,448 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 13:07:43,514 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 13:07:44,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 13:07:44,240 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 13:07:44,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 13:07:44,424 INFO L192 MainTranslator]: Completed translation [2019-09-07 13:07:44,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:44 WrapperNode [2019-09-07 13:07:44,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 13:07:44,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 13:07:44,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 13:07:44,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 13:07:44,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:44" (1/1) ... [2019-09-07 13:07:44,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:44" (1/1) ... [2019-09-07 13:07:44,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:44" (1/1) ... [2019-09-07 13:07:44,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:44" (1/1) ... [2019-09-07 13:07:44,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:44" (1/1) ... [2019-09-07 13:07:44,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:44" (1/1) ... [2019-09-07 13:07:44,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:44" (1/1) ... [2019-09-07 13:07:44,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 13:07:44,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 13:07:44,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 13:07:44,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 13:07:44,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:44" (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 13:07:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 13:07:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 13:07:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-07 13:07:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 13:07:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-07 13:07:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 13:07:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 13:07:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-07 13:07:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 13:07:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 13:07:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 13:07:45,949 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 13:07:45,949 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-07 13:07:45,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:07:45 BoogieIcfgContainer [2019-09-07 13:07:45,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 13:07:45,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 13:07:45,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 13:07:45,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 13:07:45,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 01:07:43" (1/3) ... [2019-09-07 13:07:45,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb6cb36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:07:45, skipping insertion in model container [2019-09-07 13:07:45,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:07:44" (2/3) ... [2019-09-07 13:07:45,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb6cb36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:07:45, skipping insertion in model container [2019-09-07 13:07:45,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:07:45" (3/3) ... [2019-09-07 13:07:45,971 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label02.c [2019-09-07 13:07:45,984 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 13:07:45,996 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 13:07:46,018 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 13:07:46,072 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 13:07:46,073 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 13:07:46,074 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 13:07:46,074 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 13:07:46,074 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 13:07:46,074 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 13:07:46,074 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 13:07:46,074 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 13:07:46,074 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 13:07:46,113 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-09-07 13:07:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-09-07 13:07:46,129 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:07:46,130 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] [2019-09-07 13:07:46,133 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:07:46,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:07:46,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1011489582, now seen corresponding path program 1 times [2019-09-07 13:07:46,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:07:46,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:07:46,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:46,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:07:46,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:07:46,707 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 13:07:46,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:07:46,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:07:46,717 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:07:46,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:07:46,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:07:46,739 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2019-09-07 13:07:47,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:07:47,678 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2019-09-07 13:07:47,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:07:47,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2019-09-07 13:07:47,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:07:47,707 INFO L225 Difference]: With dead ends: 547 [2019-09-07 13:07:47,707 INFO L226 Difference]: Without dead ends: 278 [2019-09-07 13:07:47,719 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 13:07:47,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-09-07 13:07:47,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-09-07 13:07:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-09-07 13:07:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2019-09-07 13:07:47,819 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 96 [2019-09-07 13:07:47,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:07:47,820 INFO L475 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2019-09-07 13:07:47,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:07:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2019-09-07 13:07:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-07 13:07:47,826 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:07:47,826 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 13:07:47,827 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:07:47,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:07:47,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1321725755, now seen corresponding path program 1 times [2019-09-07 13:07:47,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:07:47,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:07:47,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:47,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:07:47,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:07:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:07:47,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:07:47,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-07 13:07:47,935 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-07 13:07:47,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-07 13:07:47,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-07 13:07:47,937 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2019-09-07 13:07:48,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:07:48,760 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2019-09-07 13:07:48,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 13:07:48,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2019-09-07 13:07:48,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:07:48,771 INFO L225 Difference]: With dead ends: 703 [2019-09-07 13:07:48,771 INFO L226 Difference]: Without dead ends: 431 [2019-09-07 13:07:48,773 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-07 13:07:48,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-09-07 13:07:48,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2019-09-07 13:07:48,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-09-07 13:07:48,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2019-09-07 13:07:48,801 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 106 [2019-09-07 13:07:48,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:07:48,802 INFO L475 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2019-09-07 13:07:48,802 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-07 13:07:48,802 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2019-09-07 13:07:48,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-07 13:07:48,806 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:07:48,806 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 13:07:48,806 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:07:48,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:07:48,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1059863033, now seen corresponding path program 1 times [2019-09-07 13:07:48,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:07:48,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:07:48,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:48,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:07:48,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:07:48,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:07:48,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:07:48,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:07:48,989 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:07:48,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:07:48,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:07:48,990 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2019-09-07 13:07:49,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:07:49,635 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2019-09-07 13:07:49,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:07:49,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2019-09-07 13:07:49,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:07:49,642 INFO L225 Difference]: With dead ends: 1241 [2019-09-07 13:07:49,643 INFO L226 Difference]: Without dead ends: 828 [2019-09-07 13:07:49,644 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 13:07:49,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2019-09-07 13:07:49,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2019-09-07 13:07:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2019-09-07 13:07:49,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1160 transitions. [2019-09-07 13:07:49,691 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1160 transitions. Word has length 107 [2019-09-07 13:07:49,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:07:49,692 INFO L475 AbstractCegarLoop]: Abstraction has 828 states and 1160 transitions. [2019-09-07 13:07:49,693 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:07:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1160 transitions. [2019-09-07 13:07:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-09-07 13:07:49,699 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:07:49,699 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-07 13:07:49,700 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:07:49,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:07:49,700 INFO L82 PathProgramCache]: Analyzing trace with hash -742908101, now seen corresponding path program 1 times [2019-09-07 13:07:49,700 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:07:49,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:07:49,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:49,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:07:49,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:07:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:07:49,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:07:49,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:07:49,832 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:07:49,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:07:49,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:07:49,833 INFO L87 Difference]: Start difference. First operand 828 states and 1160 transitions. Second operand 3 states. [2019-09-07 13:07:50,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:07:50,401 INFO L93 Difference]: Finished difference Result 2331 states and 3360 transitions. [2019-09-07 13:07:50,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:07:50,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-09-07 13:07:50,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:07:50,415 INFO L225 Difference]: With dead ends: 2331 [2019-09-07 13:07:50,416 INFO L226 Difference]: Without dead ends: 1509 [2019-09-07 13:07:50,419 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 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 13:07:50,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2019-09-07 13:07:50,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1509. [2019-09-07 13:07:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1509 states. [2019-09-07 13:07:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2059 transitions. [2019-09-07 13:07:50,495 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2059 transitions. Word has length 113 [2019-09-07 13:07:50,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:07:50,497 INFO L475 AbstractCegarLoop]: Abstraction has 1509 states and 2059 transitions. [2019-09-07 13:07:50,498 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:07:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2059 transitions. [2019-09-07 13:07:50,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-07 13:07:50,508 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:07:50,509 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 13:07:50,509 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:07:50,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:07:50,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1298833038, now seen corresponding path program 1 times [2019-09-07 13:07:50,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:07:50,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:07:50,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:50,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:07:50,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:07:50,749 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:07:50,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 13:07:50,749 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) [2019-09-07 13:07:50,777 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 [2019-09-07 13:07:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:07:50,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 13:07:50,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 13:07:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-07 13:07:51,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 13:07:51,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-09-07 13:07:51,044 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-07 13:07:51,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-07 13:07:51,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-07 13:07:51,045 INFO L87 Difference]: Start difference. First operand 1509 states and 2059 transitions. Second operand 7 states. [2019-09-07 13:07:52,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:07:52,616 INFO L93 Difference]: Finished difference Result 4462 states and 6456 transitions. [2019-09-07 13:07:52,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-07 13:07:52,617 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2019-09-07 13:07:52,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:07:52,641 INFO L225 Difference]: With dead ends: 4462 [2019-09-07 13:07:52,641 INFO L226 Difference]: Without dead ends: 2959 [2019-09-07 13:07:52,646 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2019-09-07 13:07:52,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2959 states. [2019-09-07 13:07:52,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2959 to 2629. [2019-09-07 13:07:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2629 states. [2019-09-07 13:07:52,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 3475 transitions. [2019-09-07 13:07:52,772 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 3475 transitions. Word has length 132 [2019-09-07 13:07:52,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:07:52,773 INFO L475 AbstractCegarLoop]: Abstraction has 2629 states and 3475 transitions. [2019-09-07 13:07:52,773 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-07 13:07:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3475 transitions. [2019-09-07 13:07:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-09-07 13:07:52,782 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:07:52,783 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, 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] [2019-09-07 13:07:52,783 INFO L418 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:07:52,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:07:52,783 INFO L82 PathProgramCache]: Analyzing trace with hash 910063858, now seen corresponding path program 1 times [2019-09-07 13:07:52,784 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:07:52,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:07:52,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:52,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:07:52,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:07:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:07:52,911 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-07 13:07:52,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:07:52,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:07:52,912 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:07:52,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:07:52,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:07:52,913 INFO L87 Difference]: Start difference. First operand 2629 states and 3475 transitions. Second operand 3 states. [2019-09-07 13:07:53,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:07:53,435 INFO L93 Difference]: Finished difference Result 5250 states and 6943 transitions. [2019-09-07 13:07:53,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:07:53,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-09-07 13:07:53,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:07:53,438 INFO L225 Difference]: With dead ends: 5250 [2019-09-07 13:07:53,438 INFO L226 Difference]: Without dead ends: 0 [2019-09-07 13:07:53,452 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 13:07:53,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-07 13:07:53,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-07 13:07:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-07 13:07:53,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-07 13:07:53,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2019-09-07 13:07:53,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:07:53,455 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-07 13:07:53,455 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:07:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-07 13:07:53,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-07 13:07:53,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-07 13:07:54,026 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2019-09-07 13:07:54,159 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-07 13:07:54,160 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a16~0 |old(~a16~0)|) (= ~a21~0 |old(~a21~0)|)) [2019-09-07 13:07:54,160 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-07 13:07:54,160 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-09-07 13:07:54,160 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-09-07 13:07:54,161 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,161 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,161 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,161 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,161 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,161 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,161 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-09-07 13:07:54,162 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-09-07 13:07:54,162 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-09-07 13:07:54,162 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-09-07 13:07:54,162 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-09-07 13:07:54,162 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-09-07 13:07:54,162 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-09-07 13:07:54,162 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-09-07 13:07:54,162 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-09-07 13:07:54,163 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-09-07 13:07:54,163 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,163 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,163 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,166 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,166 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,166 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,167 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-09-07 13:07:54,168 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-09-07 13:07:54,168 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-09-07 13:07:54,168 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-09-07 13:07:54,168 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-09-07 13:07:54,168 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-09-07 13:07:54,168 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-09-07 13:07:54,168 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-09-07 13:07:54,169 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-09-07 13:07:54,169 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-09-07 13:07:54,169 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-09-07 13:07:54,169 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-09-07 13:07:54,169 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-09-07 13:07:54,169 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-09-07 13:07:54,169 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-09-07 13:07:54,170 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2019-09-07 13:07:54,170 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,170 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,170 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,172 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,172 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,172 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-09-07 13:07:54,173 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-09-07 13:07:54,173 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-09-07 13:07:54,173 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-09-07 13:07:54,173 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-09-07 13:07:54,173 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-09-07 13:07:54,173 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-09-07 13:07:54,174 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-09-07 13:07:54,174 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-09-07 13:07:54,174 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,174 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,174 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,174 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,174 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,174 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-09-07 13:07:54,175 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-09-07 13:07:54,175 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-09-07 13:07:54,175 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-09-07 13:07:54,175 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-09-07 13:07:54,175 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-09-07 13:07:54,175 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-09-07 13:07:54,175 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-09-07 13:07:54,175 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-09-07 13:07:54,175 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-09-07 13:07:54,176 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-09-07 13:07:54,176 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-09-07 13:07:54,176 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-09-07 13:07:54,176 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,176 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,176 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,176 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,177 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,177 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-09-07 13:07:54,177 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-09-07 13:07:54,177 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-09-07 13:07:54,177 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-09-07 13:07:54,177 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-09-07 13:07:54,177 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-09-07 13:07:54,177 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-09-07 13:07:54,178 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-09-07 13:07:54,178 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-09-07 13:07:54,178 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,179 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,179 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,179 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,179 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,179 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,179 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-09-07 13:07:54,179 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,180 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-09-07 13:07:54,180 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-09-07 13:07:54,180 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-09-07 13:07:54,180 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-09-07 13:07:54,180 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-07 13:07:54,180 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-09-07 13:07:54,180 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-09-07 13:07:54,181 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-09-07 13:07:54,181 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-09-07 13:07:54,181 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-09-07 13:07:54,181 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-09-07 13:07:54,181 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-09-07 13:07:54,182 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-09-07 13:07:54,182 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,182 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,182 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,183 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,183 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,183 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-09-07 13:07:54,183 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-09-07 13:07:54,183 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-09-07 13:07:54,183 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-09-07 13:07:54,183 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-09-07 13:07:54,184 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-09-07 13:07:54,184 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-09-07 13:07:54,184 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-09-07 13:07:54,184 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,184 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,184 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,184 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,185 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,185 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-09-07 13:07:54,185 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-09-07 13:07:54,187 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-09-07 13:07:54,189 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-09-07 13:07:54,189 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-09-07 13:07:54,190 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-09-07 13:07:54,190 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-09-07 13:07:54,191 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-09-07 13:07:54,192 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-09-07 13:07:54,199 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-09-07 13:07:54,200 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse7 (= 1 |old(~a21~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a21~0 |old(~a21~0)|))) (let ((.cse6 (and .cse4 .cse5)) (.cse2 (= ~a17~0 1)) (.cse0 (not .cse7)) (.cse1 (= 1 |old(~a7~0)|)) (.cse8 (= 6 |old(~a16~0)|)) (.cse9 (<= ~a20~0 0)) (.cse10 (not (<= |old(~a20~0)| 0))) (.cse3 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (and (not (= ~a7~0 1)) .cse4 .cse5)) (or .cse6 .cse7) (or .cse8 (= 4 |old(~a16~0)|) .cse6) (or (and .cse4 .cse5 .cse9) (or .cse8 .cse0 .cse10)) (or .cse8 (and .cse4 .cse2 .cse5) .cse3) (or .cse0 .cse1 .cse9 .cse10) (or .cse8 .cse9 .cse10 .cse3)))) [2019-09-07 13:07:54,200 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-09-07 13:07:54,200 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,200 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,200 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,201 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,201 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-09-07 13:07:54,201 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,201 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,201 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-09-07 13:07:54,201 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-09-07 13:07:54,201 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-09-07 13:07:54,202 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-09-07 13:07:54,202 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-09-07 13:07:54,202 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-07 13:07:54,202 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-09-07 13:07:54,202 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-09-07 13:07:54,202 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-09-07 13:07:54,202 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-09-07 13:07:54,202 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-09-07 13:07:54,203 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-09-07 13:07:54,204 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-09-07 13:07:54,204 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-09-07 13:07:54,204 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-09-07 13:07:54,204 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-09-07 13:07:54,204 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-09-07 13:07:54,204 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-09-07 13:07:54,204 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-09-07 13:07:54,204 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-09-07 13:07:54,204 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-09-07 13:07:54,205 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-09-07 13:07:54,205 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-09-07 13:07:54,205 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,205 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,205 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,205 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,205 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,205 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:07:54,206 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-09-07 13:07:54,206 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-09-07 13:07:54,206 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-09-07 13:07:54,206 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-09-07 13:07:54,206 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-09-07 13:07:54,206 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-09-07 13:07:54,206 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-09-07 13:07:54,206 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-09-07 13:07:54,206 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-09-07 13:07:54,207 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-09-07 13:07:54,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-07 13:07:54,207 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (= ~a17~0 1) (= ~a21~0 1) (not (= ~a16~0 4))) [2019-09-07 13:07:54,207 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-07 13:07:54,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-07 13:07:54,207 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)|) (= 4 |old(~a16~0)|) (and (not (= ~a7~0 1)) (= ~a16~0 |old(~a16~0)|) (= ~a17~0 1) (= ~a21~0 |old(~a21~0)|)) (not (= 1 |old(~a17~0)|))) [2019-09-07 13:07:54,207 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-09-07 13:07:54,208 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6)))) (or (not (= ~a21~0 1)) (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (and .cse0 (not (= ~a16~0 4))) (= 4 |old(~a16~0)|) (and .cse0 (= ~a17~0 1)) (and .cse0 (<= ~a20~0 0)) (not (= 1 |old(~a17~0)|)))) [2019-09-07 13:07:54,208 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-09-07 13:07:54,208 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-09-07 13:07:54,208 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6)))) (or (not (= ~a21~0 1)) (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (and .cse0 (not (= ~a16~0 4))) (= 4 |old(~a16~0)|) (and .cse0 (= ~a17~0 1)) (and .cse0 (<= ~a20~0 0)) (not (= 1 |old(~a17~0)|)))) [2019-09-07 13:07:54,208 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-09-07 13:07:54,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 01:07:54 BoogieIcfgContainer [2019-09-07 13:07:54,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 13:07:54,228 INFO L168 Benchmark]: Toolchain (without parser) took 10800.53 ms. Allocated memory was 140.5 MB in the beginning and 363.9 MB in the end (delta: 223.3 MB). Free memory was 86.2 MB in the beginning and 250.4 MB in the end (delta: -164.1 MB). Peak memory consumption was 234.1 MB. Max. memory is 7.1 GB. [2019-09-07 13:07:54,229 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-07 13:07:54,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 994.27 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.0 MB in the beginning and 159.0 MB in the end (delta: -73.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-07 13:07:54,231 INFO L168 Benchmark]: Boogie Preprocessor took 154.01 ms. Allocated memory is still 200.8 MB. Free memory was 159.0 MB in the beginning and 154.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-07 13:07:54,232 INFO L168 Benchmark]: RCFGBuilder took 1373.16 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 154.0 MB in the beginning and 170.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-09-07 13:07:54,233 INFO L168 Benchmark]: TraceAbstraction took 8270.31 ms. Allocated memory was 226.5 MB in the beginning and 363.9 MB in the end (delta: 137.4 MB). Free memory was 169.3 MB in the beginning and 250.4 MB in the end (delta: -81.0 MB). Peak memory consumption was 231.2 MB. Max. memory is 7.1 GB. [2019-09-07 13:07:54,238 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 994.27 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.0 MB in the beginning and 159.0 MB in the end (delta: -73.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.01 ms. Allocated memory is still 200.8 MB. Free memory was 159.0 MB in the beginning and 154.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1373.16 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 154.0 MB in the beginning and 170.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8270.31 ms. Allocated memory was 226.5 MB in the beginning and 363.9 MB in the end (delta: 137.4 MB). Free memory was 169.3 MB in the beginning and 250.4 MB in the end (delta: -81.0 MB). Peak memory consumption was 231.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 446]: 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: ((((((((!(a21 == 1) || 6 == \old(a16)) || !(1 == \old(a21))) || 1 == \old(a7)) || !(a7 == 1)) || (!(a16 == 6) && !(a16 == 4))) || 4 == \old(a16)) || (!(a16 == 6) && a17 == 1)) || (!(a16 == 6) && a20 <= 0)) || !(1 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 379 SDtfs, 1375 SDslu, 174 SDs, 0 SdLazy, 3240 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2629occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 342 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 67 PreInvPairs, 105 NumberOfFragments, 292 HoareAnnotationTreeSize, 67 FomulaSimplifications, 1647 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 623 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 826 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 819 ConstructedInterpolants, 0 QuantifiedInterpolants, 257621 SizeOfPredicates, 2 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 162/164 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...