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/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 00:46:44,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 00:46:44,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 00:46:44,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-02 00:46:44,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 00:46:44,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 00:46:44,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 00:46:44,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 00:46:44,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 00:46:44,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 00:46:44,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 00:46:44,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 00:46:44,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 00:46:44,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 00:46:44,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 00:46:44,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 00:46:44,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 00:46:44,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 00:46:44,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 00:46:44,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 00:46:44,313 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 00:46:44,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 00:46:44,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 00:46:44,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 00:46:44,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 00:46:44,332 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 00:46:44,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 00:46:44,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 00:46:44,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 00:46:44,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 00:46:44,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 00:46:44,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 00:46:44,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 00:46:44,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 00:46:44,334 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 00:46:44,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 00:46:44,334 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 00:46:44,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 00:46:44,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 00:46:44,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 00:46:44,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 00:46:44,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 00:46:44,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 00:46:44,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 00:46:44,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 00:46:44,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 00:46:44,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 00:46:44,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 00:46:44,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 00:46:44,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 00:46:44,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 00:46:44,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 00:46:44,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 00:46:44,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 00:46:44,401 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 00:46:44,402 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2019-10-02 00:46:44,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f80f66f/6a476c68a89b4a128d116d9189a43f89/FLAG3731fa209 [2019-10-02 00:46:45,040 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 00:46:45,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2019-10-02 00:46:45,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f80f66f/6a476c68a89b4a128d116d9189a43f89/FLAG3731fa209 [2019-10-02 00:46:45,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f80f66f/6a476c68a89b4a128d116d9189a43f89 [2019-10-02 00:46:45,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 00:46:45,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 00:46:45,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 00:46:45,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 00:46:45,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 00:46:45,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 12:46:45" (1/1) ... [2019-10-02 00:46:45,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e2977e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:45, skipping insertion in model container [2019-10-02 00:46:45,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 12:46:45" (1/1) ... [2019-10-02 00:46:45,319 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 00:46:45,372 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 00:46:45,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 00:46:45,917 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 00:46:46,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 00:46:46,054 INFO L192 MainTranslator]: Completed translation [2019-10-02 00:46:46,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:46 WrapperNode [2019-10-02 00:46:46,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 00:46:46,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 00:46:46,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 00:46:46,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 00:46:46,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:46" (1/1) ... [2019-10-02 00:46:46,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:46" (1/1) ... [2019-10-02 00:46:46,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:46" (1/1) ... [2019-10-02 00:46:46,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:46" (1/1) ... [2019-10-02 00:46:46,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:46" (1/1) ... [2019-10-02 00:46:46,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:46" (1/1) ... [2019-10-02 00:46:46,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:46" (1/1) ... [2019-10-02 00:46:46,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 00:46:46,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 00:46:46,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 00:46:46,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 00:46:46,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 00:46:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 00:46:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 00:46:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-02 00:46:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 00:46:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-02 00:46:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 00:46:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 00:46:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-02 00:46:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 00:46:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 00:46:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 00:46:47,462 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 00:46:47,462 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 00:46:47,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:46:47 BoogieIcfgContainer [2019-10-02 00:46:47,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 00:46:47,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 00:46:47,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 00:46:47,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 00:46:47,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 12:46:45" (1/3) ... [2019-10-02 00:46:47,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13efa796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:46:47, skipping insertion in model container [2019-10-02 00:46:47,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:46:46" (2/3) ... [2019-10-02 00:46:47,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13efa796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:46:47, skipping insertion in model container [2019-10-02 00:46:47,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:46:47" (3/3) ... [2019-10-02 00:46:47,473 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2019-10-02 00:46:47,484 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 00:46:47,493 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 00:46:47,512 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 00:46:47,548 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 00:46:47,549 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 00:46:47,549 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 00:46:47,549 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 00:46:47,550 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 00:46:47,550 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 00:46:47,550 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 00:46:47,550 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 00:46:47,550 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 00:46:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-10-02 00:46:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-02 00:46:47,592 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:46:47,594 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:46:47,596 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:46:47,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:46:47,601 INFO L82 PathProgramCache]: Analyzing trace with hash 2085668238, now seen corresponding path program 1 times [2019-10-02 00:46:47,603 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:46:47,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:46:47,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:47,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:47,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:46:48,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:46:48,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 00:46:48,156 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 00:46:48,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 00:46:48,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 00:46:48,176 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2019-10-02 00:46:49,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:46:49,126 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2019-10-02 00:46:49,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 00:46:49,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-10-02 00:46:49,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:46:49,153 INFO L225 Difference]: With dead ends: 615 [2019-10-02 00:46:49,154 INFO L226 Difference]: Without dead ends: 317 [2019-10-02 00:46:49,165 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 00:46:49,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2019-10-02 00:46:49,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2019-10-02 00:46:49,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-10-02 00:46:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2019-10-02 00:46:49,262 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 142 [2019-10-02 00:46:49,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:46:49,264 INFO L475 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2019-10-02 00:46:49,264 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 00:46:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2019-10-02 00:46:49,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-02 00:46:49,270 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:46:49,271 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:46:49,271 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:46:49,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:46:49,272 INFO L82 PathProgramCache]: Analyzing trace with hash -2119639181, now seen corresponding path program 1 times [2019-10-02 00:46:49,272 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:46:49,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:46:49,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:49,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:49,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:46:49,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:46:49,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 00:46:49,459 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 00:46:49,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 00:46:49,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 00:46:49,460 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2019-10-02 00:46:50,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:46:50,405 INFO L93 Difference]: Finished difference Result 962 states and 1500 transitions. [2019-10-02 00:46:50,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 00:46:50,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2019-10-02 00:46:50,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:46:50,413 INFO L225 Difference]: With dead ends: 962 [2019-10-02 00:46:50,413 INFO L226 Difference]: Without dead ends: 651 [2019-10-02 00:46:50,415 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-02 00:46:50,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2019-10-02 00:46:50,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 625. [2019-10-02 00:46:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-10-02 00:46:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2019-10-02 00:46:50,474 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 157 [2019-10-02 00:46:50,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:46:50,475 INFO L475 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2019-10-02 00:46:50,475 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 00:46:50,475 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2019-10-02 00:46:50,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-02 00:46:50,483 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:46:50,483 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:46:50,484 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:46:50,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:46:50,484 INFO L82 PathProgramCache]: Analyzing trace with hash 105434168, now seen corresponding path program 1 times [2019-10-02 00:46:50,484 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:46:50,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:46:50,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:50,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:50,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-02 00:46:50,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:46:50,642 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:46:50,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:50,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 00:46:50,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:46:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 00:46:50,883 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:46:50,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-10-02 00:46:50,885 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 00:46:50,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 00:46:50,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-02 00:46:50,886 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 9 states. [2019-10-02 00:46:51,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:46:51,491 INFO L93 Difference]: Finished difference Result 1255 states and 1904 transitions. [2019-10-02 00:46:51,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 00:46:51,491 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 165 [2019-10-02 00:46:51,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:46:51,497 INFO L225 Difference]: With dead ends: 1255 [2019-10-02 00:46:51,497 INFO L226 Difference]: Without dead ends: 636 [2019-10-02 00:46:51,499 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-10-02 00:46:51,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-10-02 00:46:51,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 310. [2019-10-02 00:46:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-10-02 00:46:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2019-10-02 00:46:51,531 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 165 [2019-10-02 00:46:51,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:46:51,532 INFO L475 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2019-10-02 00:46:51,532 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 00:46:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2019-10-02 00:46:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-02 00:46:51,536 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:46:51,536 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:46:51,536 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:46:51,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:46:51,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1005880998, now seen corresponding path program 1 times [2019-10-02 00:46:51,537 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:46:51,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:46:51,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:51,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:51,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:46:51,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:46:51,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 00:46:51,747 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 00:46:51,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 00:46:51,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 00:46:51,748 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 6 states. [2019-10-02 00:46:52,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:46:52,548 INFO L93 Difference]: Finished difference Result 925 states and 1330 transitions. [2019-10-02 00:46:52,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 00:46:52,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2019-10-02 00:46:52,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:46:52,555 INFO L225 Difference]: With dead ends: 925 [2019-10-02 00:46:52,555 INFO L226 Difference]: Without dead ends: 621 [2019-10-02 00:46:52,557 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-02 00:46:52,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2019-10-02 00:46:52,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 612. [2019-10-02 00:46:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2019-10-02 00:46:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 843 transitions. [2019-10-02 00:46:52,601 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 843 transitions. Word has length 164 [2019-10-02 00:46:52,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:46:52,605 INFO L475 AbstractCegarLoop]: Abstraction has 612 states and 843 transitions. [2019-10-02 00:46:52,605 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 00:46:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 843 transitions. [2019-10-02 00:46:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-02 00:46:52,610 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:46:52,611 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:46:52,611 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:46:52,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:46:52,612 INFO L82 PathProgramCache]: Analyzing trace with hash -315093218, now seen corresponding path program 1 times [2019-10-02 00:46:52,612 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:46:52,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:46:52,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:52,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:52,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:46:52,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:46:52,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 00:46:52,919 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 00:46:52,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 00:46:52,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 00:46:52,919 INFO L87 Difference]: Start difference. First operand 612 states and 843 transitions. Second operand 5 states. [2019-10-02 00:46:53,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:46:53,695 INFO L93 Difference]: Finished difference Result 1304 states and 1837 transitions. [2019-10-02 00:46:53,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 00:46:53,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2019-10-02 00:46:53,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:46:53,700 INFO L225 Difference]: With dead ends: 1304 [2019-10-02 00:46:53,701 INFO L226 Difference]: Without dead ends: 612 [2019-10-02 00:46:53,703 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 00:46:53,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2019-10-02 00:46:53,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2019-10-02 00:46:53,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2019-10-02 00:46:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 827 transitions. [2019-10-02 00:46:53,724 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 827 transitions. Word has length 168 [2019-10-02 00:46:53,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:46:53,725 INFO L475 AbstractCegarLoop]: Abstraction has 612 states and 827 transitions. [2019-10-02 00:46:53,725 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 00:46:53,725 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 827 transitions. [2019-10-02 00:46:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-02 00:46:53,729 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:46:53,729 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:46:53,729 INFO L418 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:46:53,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:46:53,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1675976127, now seen corresponding path program 1 times [2019-10-02 00:46:53,730 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:46:53,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:46:53,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:53,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:53,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:46:53,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:46:53,808 INFO L224 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) [2019-10-02 00:46:53,843 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 [2019-10-02 00:46:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:53,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 00:46:53,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:46:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:46:53,995 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:46:53,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-10-02 00:46:53,996 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 00:46:53,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 00:46:53,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-02 00:46:53,997 INFO L87 Difference]: Start difference. First operand 612 states and 827 transitions. Second operand 9 states. [2019-10-02 00:46:55,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:46:55,886 INFO L93 Difference]: Finished difference Result 2238 states and 3537 transitions. [2019-10-02 00:46:55,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 00:46:55,886 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2019-10-02 00:46:55,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:46:55,899 INFO L225 Difference]: With dead ends: 2238 [2019-10-02 00:46:55,899 INFO L226 Difference]: Without dead ends: 1632 [2019-10-02 00:46:55,902 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-10-02 00:46:55,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2019-10-02 00:46:55,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1430. [2019-10-02 00:46:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1430 states. [2019-10-02 00:46:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 1963 transitions. [2019-10-02 00:46:55,975 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 1963 transitions. Word has length 172 [2019-10-02 00:46:55,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:46:55,976 INFO L475 AbstractCegarLoop]: Abstraction has 1430 states and 1963 transitions. [2019-10-02 00:46:55,976 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 00:46:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1963 transitions. [2019-10-02 00:46:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-02 00:46:55,985 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:46:55,986 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:46:55,986 INFO L418 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:46:55,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:46:55,987 INFO L82 PathProgramCache]: Analyzing trace with hash -393389681, now seen corresponding path program 1 times [2019-10-02 00:46:55,987 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:46:55,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:46:55,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:55,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:55,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:56,155 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:46:56,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:46:56,156 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:46:56,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:56,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 00:46:56,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:46:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 00:46:56,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 00:46:56,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2019-10-02 00:46:56,328 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 00:46:56,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 00:46:56,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-02 00:46:56,329 INFO L87 Difference]: Start difference. First operand 1430 states and 1963 transitions. Second operand 8 states. [2019-10-02 00:46:58,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:46:58,542 INFO L93 Difference]: Finished difference Result 5730 states and 9202 transitions. [2019-10-02 00:46:58,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 00:46:58,542 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2019-10-02 00:46:58,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:46:58,584 INFO L225 Difference]: With dead ends: 5730 [2019-10-02 00:46:58,584 INFO L226 Difference]: Without dead ends: 4306 [2019-10-02 00:46:58,601 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2019-10-02 00:46:58,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4306 states. [2019-10-02 00:46:58,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 3824. [2019-10-02 00:46:58,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3824 states. [2019-10-02 00:46:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3824 states and 5624 transitions. [2019-10-02 00:46:58,823 INFO L78 Accepts]: Start accepts. Automaton has 3824 states and 5624 transitions. Word has length 177 [2019-10-02 00:46:58,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:46:58,825 INFO L475 AbstractCegarLoop]: Abstraction has 3824 states and 5624 transitions. [2019-10-02 00:46:58,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 00:46:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3824 states and 5624 transitions. [2019-10-02 00:46:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-02 00:46:58,863 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:46:58,863 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:46:58,864 INFO L418 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:46:58,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:46:58,864 INFO L82 PathProgramCache]: Analyzing trace with hash -653763739, now seen corresponding path program 1 times [2019-10-02 00:46:58,865 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:46:58,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:46:58,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:58,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:58,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:46:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 83 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-02 00:46:59,056 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:46:59,056 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:46:59,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:46:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:46:59,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 00:46:59,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:46:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-02 00:46:59,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 00:46:59,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-10-02 00:46:59,257 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 00:46:59,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 00:46:59,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-02 00:46:59,258 INFO L87 Difference]: Start difference. First operand 3824 states and 5624 transitions. Second operand 9 states. [2019-10-02 00:47:00,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:47:00,541 INFO L93 Difference]: Finished difference Result 8156 states and 12188 transitions. [2019-10-02 00:47:00,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-02 00:47:00,542 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 233 [2019-10-02 00:47:00,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:47:00,581 INFO L225 Difference]: With dead ends: 8156 [2019-10-02 00:47:00,582 INFO L226 Difference]: Without dead ends: 4482 [2019-10-02 00:47:00,610 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2019-10-02 00:47:00,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2019-10-02 00:47:00,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 3994. [2019-10-02 00:47:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3994 states. [2019-10-02 00:47:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 5468 transitions. [2019-10-02 00:47:00,829 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 5468 transitions. Word has length 233 [2019-10-02 00:47:00,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:47:00,829 INFO L475 AbstractCegarLoop]: Abstraction has 3994 states and 5468 transitions. [2019-10-02 00:47:00,830 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 00:47:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 5468 transitions. [2019-10-02 00:47:00,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-02 00:47:00,868 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:47:00,868 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:47:00,869 INFO L418 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:47:00,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:47:00,869 INFO L82 PathProgramCache]: Analyzing trace with hash 513470865, now seen corresponding path program 1 times [2019-10-02 00:47:00,870 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:47:00,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:47:00,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:47:00,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:47:00,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:47:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:47:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 122 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:47:01,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:47:01,050 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-10-02 00:47:01,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:47:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:47:01,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-02 00:47:01,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:47:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-02 00:47:01,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 00:47:01,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-10-02 00:47:01,265 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 00:47:01,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 00:47:01,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-02 00:47:01,267 INFO L87 Difference]: Start difference. First operand 3994 states and 5468 transitions. Second operand 9 states. [2019-10-02 00:47:03,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:47:03,283 INFO L93 Difference]: Finished difference Result 7583 states and 10401 transitions. [2019-10-02 00:47:03,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-02 00:47:03,284 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 243 [2019-10-02 00:47:03,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:47:03,284 INFO L225 Difference]: With dead ends: 7583 [2019-10-02 00:47:03,285 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 00:47:03,318 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2019-10-02 00:47:03,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 00:47:03,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 00:47:03,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 00:47:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 00:47:03,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 243 [2019-10-02 00:47:03,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:47:03,319 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 00:47:03,319 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 00:47:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 00:47:03,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 00:47:03,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 00:47:03,859 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 79 [2019-10-02 00:47:04,072 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 79 [2019-10-02 00:47:05,209 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2019-10-02 00:47:05,711 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 55 [2019-10-02 00:47:06,225 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 55 [2019-10-02 00:47:06,228 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 00:47:06,229 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2019-10-02 00:47:06,229 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 00:47:06,229 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,229 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,229 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,230 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,230 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,230 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-02 00:47:06,230 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-02 00:47:06,230 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-02 00:47:06,230 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-02 00:47:06,231 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-02 00:47:06,231 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-02 00:47:06,231 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-02 00:47:06,231 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-02 00:47:06,232 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-02 00:47:06,232 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-02 00:47:06,232 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-02 00:47:06,232 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-02 00:47:06,232 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-02 00:47:06,232 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,232 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,232 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,232 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,233 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-02 00:47:06,233 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,233 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-02 00:47:06,233 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-02 00:47:06,233 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-02 00:47:06,233 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-02 00:47:06,233 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-02 00:47:06,233 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-02 00:47:06,234 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-02 00:47:06,234 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-02 00:47:06,234 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-02 00:47:06,234 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-02 00:47:06,234 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-02 00:47:06,234 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-02 00:47:06,234 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-02 00:47:06,234 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-02 00:47:06,235 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-02 00:47:06,235 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,235 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,235 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,235 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,235 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,235 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-02 00:47:06,235 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-02 00:47:06,235 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-02 00:47:06,236 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-02 00:47:06,236 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-02 00:47:06,236 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-02 00:47:06,236 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-02 00:47:06,236 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-02 00:47:06,236 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-02 00:47:06,236 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-02 00:47:06,236 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-02 00:47:06,236 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,237 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,237 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,237 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,237 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,237 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-02 00:47:06,237 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-02 00:47:06,237 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-02 00:47:06,237 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-02 00:47:06,237 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-02 00:47:06,238 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-02 00:47:06,238 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-02 00:47:06,238 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-02 00:47:06,238 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-02 00:47:06,238 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-02 00:47:06,238 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-02 00:47:06,238 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-02 00:47:06,238 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-02 00:47:06,238 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,239 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,239 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,239 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,239 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,239 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-02 00:47:06,239 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-02 00:47:06,239 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-02 00:47:06,239 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-02 00:47:06,239 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-02 00:47:06,240 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-02 00:47:06,240 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-02 00:47:06,240 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-02 00:47:06,240 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-02 00:47:06,240 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-02 00:47:06,240 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-02 00:47:06,240 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-02 00:47:06,240 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-02 00:47:06,241 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-02 00:47:06,241 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-02 00:47:06,241 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-02 00:47:06,241 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,241 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,241 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,241 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,241 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-02 00:47:06,241 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,242 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-02 00:47:06,242 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,242 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-02 00:47:06,242 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-02 00:47:06,242 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-02 00:47:06,242 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,242 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,242 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-02 00:47:06,242 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-02 00:47:06,243 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-02 00:47:06,243 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-02 00:47:06,243 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-02 00:47:06,243 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-02 00:47:06,243 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-02 00:47:06,243 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-02 00:47:06,243 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2019-10-02 00:47:06,243 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-02 00:47:06,243 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-02 00:47:06,244 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-02 00:47:06,244 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,244 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,244 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,244 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,244 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,244 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,244 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-02 00:47:06,245 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-02 00:47:06,245 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-02 00:47:06,245 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-02 00:47:06,245 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-02 00:47:06,245 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-02 00:47:06,245 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-02 00:47:06,245 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-02 00:47:06,245 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-02 00:47:06,246 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-02 00:47:06,246 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-02 00:47:06,246 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,246 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,246 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,246 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,246 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,246 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,246 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-02 00:47:06,247 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-02 00:47:06,247 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-02 00:47:06,247 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-02 00:47:06,247 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-02 00:47:06,247 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-02 00:47:06,247 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-02 00:47:06,247 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-02 00:47:06,247 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-02 00:47:06,247 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-02 00:47:06,247 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-02 00:47:06,248 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-02 00:47:06,248 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-02 00:47:06,248 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-02 00:47:06,248 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,248 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,248 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,249 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (not (= 1 ~a21~0))) (.cse16 (= 9 |old(~a28~0)|)) (.cse15 (= 1 |old(~a11~0)|)) (.cse12 (= 7 |old(~a17~0)|)) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse18 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a28~0 |old(~a28~0)|)) (.cse9 (= ~a11~0 1)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|))) (let ((.cse4 (and .cse8 .cse13 .cse9 .cse10 .cse11)) (.cse5 (= 1 |old(~a25~0)|)) (.cse7 (and .cse18 .cse8 .cse10 .cse13 .cse11)) (.cse6 (or .cse12 .cse1)) (.cse14 (not (<= |old(~a19~0)| 0))) (.cse3 (not .cse15)) (.cse17 (or .cse0 .cse1 (not .cse16))) (.cse2 (not (= 1 |old(~a19~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse7) (or .cse0 (and .cse8 (= ~a28~0 7) .cse9 .cse10 .cse11) (not (= 7 |old(~a28~0)|)) .cse2 .cse3 (not .cse12)) (or (not (<= |old(~a28~0)| 7)) (and .cse8 .cse10 .cse13 .cse9 .cse11) .cse3 (or .cse0 .cse6 .cse14)) (or .cse0 .cse1 .cse4 .cse14 .cse3 .cse5) (or .cse0 .cse15 .cse7 .cse16 .cse6 .cse14) (or (or .cse17 .cse14) (and .cse8 .cse13 .cse10 .cse9 .cse11) .cse3) (or .cse17 (and .cse18 .cse8 .cse13 .cse10 .cse11) .cse2)))) [2019-10-02 00:47:06,249 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,249 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,249 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,249 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-02 00:47:06,249 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-02 00:47:06,249 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-02 00:47:06,249 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-02 00:47:06,250 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-02 00:47:06,250 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-02 00:47:06,250 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-02 00:47:06,250 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-02 00:47:06,250 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-02 00:47:06,250 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-02 00:47:06,250 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-02 00:47:06,250 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-02 00:47:06,250 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-02 00:47:06,251 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,251 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,251 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,251 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,251 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,251 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,251 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-02 00:47:06,251 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-02 00:47:06,251 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-02 00:47:06,251 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-02 00:47:06,252 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-02 00:47:06,252 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-02 00:47:06,252 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-02 00:47:06,252 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-02 00:47:06,252 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-02 00:47:06,252 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-02 00:47:06,252 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-02 00:47:06,252 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-02 00:47:06,253 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-02 00:47:06,253 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-02 00:47:06,253 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-02 00:47:06,253 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-02 00:47:06,253 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,253 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,253 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,253 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,254 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-02 00:47:06,254 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-02 00:47:06,254 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-02 00:47:06,254 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-02 00:47:06,254 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-02 00:47:06,254 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-02 00:47:06,254 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-02 00:47:06,254 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-02 00:47:06,254 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-02 00:47:06,254 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-02 00:47:06,255 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-02 00:47:06,255 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-02 00:47:06,255 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-02 00:47:06,255 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-02 00:47:06,255 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-02 00:47:06,255 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-02 00:47:06,255 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-02 00:47:06,255 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-02 00:47:06,255 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-02 00:47:06,256 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-02 00:47:06,256 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 00:47:06,256 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a28~0 7) (not (= ~a17~0 7)) (not (= ~a25~0 1)) (= ~a19~0 1) (not (= ~a19~0 ~a11~0)) (= ~a21~0 1) (<= ~a17~0 8)) [2019-10-02 00:47:06,256 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 00:47:06,256 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 00:47:06,256 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (<= |old(~a28~0)| 7)) (not (= 1 |old(~a19~0)|)) (= 7 |old(~a17~0)|) (= |old(~a11~0)| |old(~a19~0)|) (not (<= |old(~a17~0)| 8)) (= 1 |old(~a25~0)|) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) [2019-10-02 00:47:06,257 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a28~0 9)) (.cse1 (<= ~a17~0 8))) (let ((.cse8 (not (= ~a25~0 1))) (.cse3 (and .cse7 .cse1)) (.cse5 (<= ~a19~0 0)) (.cse2 (= ~a11~0 1)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse0 (not (= ~a17~0 7))) (.cse4 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 (= ~a19~0 |old(~a19~0)|) .cse2) (and .cse3 .cse4 .cse2) (and .cse4 (= ~a28~0 7) .cse1 .cse2) (= 1 |old(~a25~0)|) (= |old(~a11~0)| |old(~a19~0)|) (and .cse5 .cse6 .cse0 .cse1 (not .cse7)) (and .cse5 .cse8 .cse1 .cse2) (and .cse8 .cse4 .cse1 .cse2) (and (and .cse7 .cse5 .cse1) .cse2) (= 7 |old(~a17~0)|) (and .cse6 .cse3 .cse4) (and (<= ~a28~0 7) (and .cse5 .cse0 .cse1) .cse2) (and .cse6 .cse0 .cse4 .cse1) (not (= 1 |old(~a19~0)|)) (not (<= |old(~a17~0)| 8))))) [2019-10-02 00:47:06,257 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-02 00:47:06,257 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-02 00:47:06,257 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= ~a28~0 9)) (.cse1 (<= ~a17~0 8))) (let ((.cse8 (not (= ~a25~0 1))) (.cse3 (and .cse7 .cse1)) (.cse5 (<= ~a19~0 0)) (.cse2 (= ~a11~0 1)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse0 (not (= ~a17~0 7))) (.cse4 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 (= ~a19~0 |old(~a19~0)|) .cse2) (and .cse3 .cse4 .cse2) (and .cse4 (= ~a28~0 7) .cse1 .cse2) (= 1 |old(~a25~0)|) (= |old(~a11~0)| |old(~a19~0)|) (and .cse5 .cse6 .cse0 .cse1 (not .cse7)) (and .cse5 .cse8 .cse1 .cse2) (and .cse8 .cse4 .cse1 .cse2) (and (and .cse7 .cse5 .cse1) .cse2) (= 7 |old(~a17~0)|) (and .cse6 .cse3 .cse4) (and (<= ~a28~0 7) (and .cse5 .cse0 .cse1) .cse2) (and .cse6 .cse0 .cse4 .cse1) (not (= 1 |old(~a19~0)|)) (not (<= |old(~a17~0)| 8))))) [2019-10-02 00:47:06,257 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-02 00:47:06,257 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-02 00:47:06,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 12:47:06 BoogieIcfgContainer [2019-10-02 00:47:06,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 00:47:06,279 INFO L168 Benchmark]: Toolchain (without parser) took 20977.23 ms. Allocated memory was 133.7 MB in the beginning and 583.5 MB in the end (delta: 449.8 MB). Free memory was 88.7 MB in the beginning and 188.3 MB in the end (delta: -99.6 MB). Peak memory consumption was 478.9 MB. Max. memory is 7.1 GB. [2019-10-02 00:47:06,280 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 00:47:06,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.33 ms. Allocated memory was 133.7 MB in the beginning and 202.9 MB in the end (delta: 69.2 MB). Free memory was 88.5 MB in the beginning and 166.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-10-02 00:47:06,282 INFO L168 Benchmark]: Boogie Preprocessor took 105.57 ms. Allocated memory is still 202.9 MB. Free memory was 166.1 MB in the beginning and 160.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-10-02 00:47:06,283 INFO L168 Benchmark]: RCFGBuilder took 1303.59 ms. Allocated memory was 202.9 MB in the beginning and 228.6 MB in the end (delta: 25.7 MB). Free memory was 160.7 MB in the beginning and 176.8 MB in the end (delta: -16.1 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-10-02 00:47:06,285 INFO L168 Benchmark]: TraceAbstraction took 18811.86 ms. Allocated memory was 228.6 MB in the beginning and 583.5 MB in the end (delta: 354.9 MB). Free memory was 176.8 MB in the beginning and 188.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 472.1 MB. Max. memory is 7.1 GB. [2019-10-02 00:47:06,289 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.33 ms. Allocated memory was 133.7 MB in the beginning and 202.9 MB in the end (delta: 69.2 MB). Free memory was 88.5 MB in the beginning and 166.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.57 ms. Allocated memory is still 202.9 MB. Free memory was 166.1 MB in the beginning and 160.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1303.59 ms. Allocated memory was 202.9 MB in the beginning and 228.6 MB in the end (delta: 25.7 MB). Free memory was 160.7 MB in the beginning and 176.8 MB in the end (delta: -16.1 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18811.86 ms. Allocated memory was 228.6 MB in the beginning and 583.5 MB in the end (delta: 354.9 MB). Free memory was 176.8 MB in the beginning and 188.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 472.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == a21) || !(\old(a28) <= 7)) || (((!(a17 == 7) && a17 <= 8) && a19 == \old(a19)) && a11 == 1)) || (((a28 == 9 && a17 <= 8) && a19 == 1) && a11 == 1)) || (((a19 == 1 && a28 == 7) && a17 <= 8) && a11 == 1)) || 1 == \old(a25)) || \old(a11) == \old(a19)) || ((((a19 <= 0 && a11 == \old(a11)) && !(a17 == 7)) && a17 <= 8) && !(a28 == 9))) || (((a19 <= 0 && !(a25 == 1)) && a17 <= 8) && a11 == 1)) || (((!(a25 == 1) && a19 == 1) && a17 <= 8) && a11 == 1)) || (((a28 == 9 && a19 <= 0) && a17 <= 8) && a11 == 1)) || 7 == \old(a17)) || ((a11 == \old(a11) && a28 == 9 && a17 <= 8) && a19 == 1)) || ((a28 <= 7 && (a19 <= 0 && !(a17 == 7)) && a17 <= 8) && a11 == 1)) || (((a11 == \old(a11) && !(a17 == 7)) && a19 == 1) && a17 <= 8)) || !(1 == \old(a19))) || !(\old(a17) <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 18.7s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 11.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 487 SDtfs, 7799 SDslu, 728 SDs, 0 SdLazy, 9551 SolverSat, 1515 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1140 GetRequests, 1042 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3994occurred in iteration=8, 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: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 1533 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 280 PreInvPairs, 392 NumberOfFragments, 727 HoareAnnotationTreeSize, 280 FomulaSimplifications, 68238 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3458 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2611 NumberOfCodeBlocks, 2611 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2597 ConstructedInterpolants, 0 QuantifiedInterpolants, 1175881 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2261 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 664/708 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...