java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 18:14:38,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 18:14:38,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 18:14:38,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-07 18:14:38,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 18:14:38,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 18:14:38,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 18:14:38,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 18:14:38,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 18:14:38,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 18:14:38,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 18:14:38,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 18:14:38,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 18:14:38,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 18:14:38,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 18:14:38,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 18:14:38,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 18:14:38,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 18:14:38,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 18:14:38,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 18:14:38,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-07 18:14:38,213 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 18:14:38,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 18:14:38,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 18:14:38,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 18:14:38,217 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 18:14:38,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 18:14:38,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 18:14:38,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 18:14:38,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 18:14:38,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 18:14:38,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 18:14:38,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 18:14:38,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 18:14:38,218 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 18:14:38,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 18:14:38,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 18:14:38,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 18:14:38,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 18:14:38,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 18:14:38,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 18:14:38,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 18:14:38,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 18:14:38,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 18:14:38,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 18:14:38,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 18:14:38,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 18:14:38,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 18:14:38,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 18:14:38,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 18:14:38,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 18:14:38,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 18:14:38,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 18:14:38,308 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 18:14:38,308 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 18:14:38,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label51.c [2019-09-07 18:14:38,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d5639a73/774af6691bb04f7b80638f8d7357c1ee/FLAG8a3475caa [2019-09-07 18:14:39,010 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 18:14:39,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label51.c [2019-09-07 18:14:39,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d5639a73/774af6691bb04f7b80638f8d7357c1ee/FLAG8a3475caa [2019-09-07 18:14:39,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d5639a73/774af6691bb04f7b80638f8d7357c1ee [2019-09-07 18:14:39,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 18:14:39,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 18:14:39,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 18:14:39,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 18:14:39,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 18:14:39,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:14:39" (1/1) ... [2019-09-07 18:14:39,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7885207f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:39, skipping insertion in model container [2019-09-07 18:14:39,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:14:39" (1/1) ... [2019-09-07 18:14:39,339 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 18:14:39,404 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 18:14:39,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 18:14:40,001 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 18:14:40,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 18:14:40,142 INFO L192 MainTranslator]: Completed translation [2019-09-07 18:14:40,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:40 WrapperNode [2019-09-07 18:14:40,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 18:14:40,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 18:14:40,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 18:14:40,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 18:14:40,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:40" (1/1) ... [2019-09-07 18:14:40,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:40" (1/1) ... [2019-09-07 18:14:40,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:40" (1/1) ... [2019-09-07 18:14:40,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:40" (1/1) ... [2019-09-07 18:14:40,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:40" (1/1) ... [2019-09-07 18:14:40,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:40" (1/1) ... [2019-09-07 18:14:40,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:40" (1/1) ... [2019-09-07 18:14:40,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 18:14:40,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 18:14:40,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 18:14:40,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 18:14:40,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 18:14:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 18:14:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 18:14:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-07 18:14:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 18:14:40,333 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-07 18:14:40,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 18:14:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 18:14:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-07 18:14:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 18:14:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 18:14:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 18:14:41,595 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 18:14:41,596 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-07 18:14:41,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:14:41 BoogieIcfgContainer [2019-09-07 18:14:41,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 18:14:41,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 18:14:41,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 18:14:41,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 18:14:41,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 06:14:39" (1/3) ... [2019-09-07 18:14:41,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d82701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:14:41, skipping insertion in model container [2019-09-07 18:14:41,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:14:40" (2/3) ... [2019-09-07 18:14:41,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d82701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:14:41, skipping insertion in model container [2019-09-07 18:14:41,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:14:41" (3/3) ... [2019-09-07 18:14:41,607 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label51.c [2019-09-07 18:14:41,620 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 18:14:41,631 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 18:14:41,653 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 18:14:41,708 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 18:14:41,709 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 18:14:41,709 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 18:14:41,709 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 18:14:41,710 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 18:14:41,710 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 18:14:41,710 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 18:14:41,710 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 18:14:41,711 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 18:14:41,749 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-09-07 18:14:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-07 18:14:41,765 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:14:41,766 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:14:41,768 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:14:41,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:14:41,774 INFO L82 PathProgramCache]: Analyzing trace with hash -689906609, now seen corresponding path program 1 times [2019-09-07 18:14:41,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:14:41,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:14:41,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:14:41,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:14:41,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:14:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:14:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:14:42,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:14:42,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-07 18:14:42,216 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-07 18:14:42,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-07 18:14:42,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 18:14:42,238 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2019-09-07 18:14:43,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:14:43,685 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2019-09-07 18:14:43,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 18:14:43,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2019-09-07 18:14:43,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:14:43,706 INFO L225 Difference]: With dead ends: 733 [2019-09-07 18:14:43,707 INFO L226 Difference]: Without dead ends: 437 [2019-09-07 18:14:43,717 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 18:14:43,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-09-07 18:14:43,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 294. [2019-09-07 18:14:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-09-07 18:14:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2019-09-07 18:14:43,796 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 56 [2019-09-07 18:14:43,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:14:43,797 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2019-09-07 18:14:43,797 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-07 18:14:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2019-09-07 18:14:43,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-09-07 18:14:43,804 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:14:43,804 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:14:43,804 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:14:43,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:14:43,805 INFO L82 PathProgramCache]: Analyzing trace with hash 371731122, now seen corresponding path program 1 times [2019-09-07 18:14:43,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:14:43,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:14:43,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:14:43,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:14:43,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:14:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:14:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-07 18:14:44,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:14:44,046 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:14:44,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:14:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:14:44,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 18:14:44,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:14:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-07 18:14:44,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 18:14:44,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-09-07 18:14:44,244 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-07 18:14:44,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-07 18:14:44,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-07 18:14:44,245 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 5 states. [2019-09-07 18:14:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:14:45,567 INFO L93 Difference]: Finished difference Result 1472 states and 2371 transitions. [2019-09-07 18:14:45,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-07 18:14:45,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2019-09-07 18:14:45,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:14:45,579 INFO L225 Difference]: With dead ends: 1472 [2019-09-07 18:14:45,579 INFO L226 Difference]: Without dead ends: 1184 [2019-09-07 18:14:45,581 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-07 18:14:45,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2019-09-07 18:14:45,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 729. [2019-09-07 18:14:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-09-07 18:14:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1084 transitions. [2019-09-07 18:14:45,687 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1084 transitions. Word has length 126 [2019-09-07 18:14:45,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:14:45,688 INFO L475 AbstractCegarLoop]: Abstraction has 729 states and 1084 transitions. [2019-09-07 18:14:45,688 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-07 18:14:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1084 transitions. [2019-09-07 18:14:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-09-07 18:14:45,704 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:14:45,704 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:14:45,704 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:14:45,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:14:45,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1620546799, now seen corresponding path program 1 times [2019-09-07 18:14:45,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:14:45,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:14:45,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:14:45,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:14:45,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:14:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:14:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:14:46,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:14:46,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-07 18:14:46,129 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-07 18:14:46,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-07 18:14:46,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-07 18:14:46,130 INFO L87 Difference]: Start difference. First operand 729 states and 1084 transitions. Second operand 6 states. [2019-09-07 18:14:46,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:14:46,962 INFO L93 Difference]: Finished difference Result 1766 states and 2666 transitions. [2019-09-07 18:14:46,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 18:14:46,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2019-09-07 18:14:46,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:14:46,976 INFO L225 Difference]: With dead ends: 1766 [2019-09-07 18:14:46,976 INFO L226 Difference]: Without dead ends: 1043 [2019-09-07 18:14:46,978 INFO L628 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 [2019-09-07 18:14:46,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-09-07 18:14:47,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 886. [2019-09-07 18:14:47,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2019-09-07 18:14:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1179 transitions. [2019-09-07 18:14:47,022 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1179 transitions. Word has length 197 [2019-09-07 18:14:47,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:14:47,022 INFO L475 AbstractCegarLoop]: Abstraction has 886 states and 1179 transitions. [2019-09-07 18:14:47,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-07 18:14:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1179 transitions. [2019-09-07 18:14:47,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-09-07 18:14:47,028 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:14:47,029 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-07 18:14:47,029 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:14:47,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:14:47,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1951155213, now seen corresponding path program 1 times [2019-09-07 18:14:47,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:14:47,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:14:47,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:14:47,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:14:47,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:14:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:14:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 99 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-09-07 18:14:47,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:14:47,309 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 18:14:47,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:14:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:14:47,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 18:14:47,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:14:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:14:47,598 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 18:14:47,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-09-07 18:14:47,600 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-07 18:14:47,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-07 18:14:47,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2019-09-07 18:14:47,605 INFO L87 Difference]: Start difference. First operand 886 states and 1179 transitions. Second operand 11 states. [2019-09-07 18:14:51,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:14:51,124 INFO L93 Difference]: Finished difference Result 3308 states and 4724 transitions. [2019-09-07 18:14:51,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-07 18:14:51,124 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 276 [2019-09-07 18:14:51,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:14:51,137 INFO L225 Difference]: With dead ends: 3308 [2019-09-07 18:14:51,137 INFO L226 Difference]: Without dead ends: 1512 [2019-09-07 18:14:51,144 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 292 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2019-09-07 18:14:51,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2019-09-07 18:14:51,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1488. [2019-09-07 18:14:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2019-09-07 18:14:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1801 transitions. [2019-09-07 18:14:51,214 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1801 transitions. Word has length 276 [2019-09-07 18:14:51,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:14:51,216 INFO L475 AbstractCegarLoop]: Abstraction has 1488 states and 1801 transitions. [2019-09-07 18:14:51,216 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-07 18:14:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1801 transitions. [2019-09-07 18:14:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-09-07 18:14:51,226 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:14:51,227 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-07 18:14:51,227 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:14:51,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:14:51,228 INFO L82 PathProgramCache]: Analyzing trace with hash -685542405, now seen corresponding path program 1 times [2019-09-07 18:14:51,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:14:51,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:14:51,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:14:51,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:14:51,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:14:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:14:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-07 18:14:51,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:14:51,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-07 18:14:51,498 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-07 18:14:51,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-07 18:14:51,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 18:14:51,499 INFO L87 Difference]: Start difference. First operand 1488 states and 1801 transitions. Second operand 4 states. [2019-09-07 18:14:52,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:14:52,337 INFO L93 Difference]: Finished difference Result 3111 states and 3827 transitions. [2019-09-07 18:14:52,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 18:14:52,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 312 [2019-09-07 18:14:52,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:14:52,339 INFO L225 Difference]: With dead ends: 3111 [2019-09-07 18:14:52,339 INFO L226 Difference]: Without dead ends: 0 [2019-09-07 18:14:52,348 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 18:14:52,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-07 18:14:52,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-07 18:14:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-07 18:14:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-07 18:14:52,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 312 [2019-09-07 18:14:52,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:14:52,349 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-07 18:14:52,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-07 18:14:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-07 18:14:52,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-07 18:14:52,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-07 18:14:52,831 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 36 [2019-09-07 18:14:53,043 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-07 18:14:53,263 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-07 18:14:53,267 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-07 18:14:53,267 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) [2019-09-07 18:14:53,267 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-07 18:14:53,268 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-09-07 18:14:53,268 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,268 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,268 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,269 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,269 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,269 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,269 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-09-07 18:14:53,269 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-09-07 18:14:53,272 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-09-07 18:14:53,272 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-09-07 18:14:53,272 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-09-07 18:14:53,273 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-09-07 18:14:53,274 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-09-07 18:14:53,275 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-09-07 18:14:53,275 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-09-07 18:14:53,275 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-09-07 18:14:53,275 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-09-07 18:14:53,275 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,276 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,276 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,278 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,278 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,279 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-09-07 18:14:53,279 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-09-07 18:14:53,279 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-09-07 18:14:53,279 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-09-07 18:14:53,279 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-09-07 18:14:53,280 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-09-07 18:14:53,280 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-09-07 18:14:53,280 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-09-07 18:14:53,288 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-09-07 18:14:53,288 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-09-07 18:14:53,288 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-09-07 18:14:53,289 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-09-07 18:14:53,289 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-09-07 18:14:53,289 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-09-07 18:14:53,289 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,289 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,289 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,289 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,289 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,290 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-09-07 18:14:53,290 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-09-07 18:14:53,290 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-09-07 18:14:53,290 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-09-07 18:14:53,291 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-09-07 18:14:53,292 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-09-07 18:14:53,292 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-09-07 18:14:53,292 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-09-07 18:14:53,292 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-09-07 18:14:53,292 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-09-07 18:14:53,292 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,292 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,292 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,293 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,293 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,293 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-09-07 18:14:53,293 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-09-07 18:14:53,293 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-09-07 18:14:53,293 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-09-07 18:14:53,293 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-09-07 18:14:53,293 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-09-07 18:14:53,294 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-09-07 18:14:53,294 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-09-07 18:14:53,294 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-09-07 18:14:53,294 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-09-07 18:14:53,294 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-09-07 18:14:53,294 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-09-07 18:14:53,294 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-09-07 18:14:53,294 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,295 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,295 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,295 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,295 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,295 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-09-07 18:14:53,295 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-09-07 18:14:53,295 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-09-07 18:14:53,295 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-09-07 18:14:53,296 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-09-07 18:14:53,296 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-09-07 18:14:53,296 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-09-07 18:14:53,296 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-09-07 18:14:53,296 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-09-07 18:14:53,296 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,296 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,296 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,297 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,297 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,297 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,297 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,297 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-09-07 18:14:53,297 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-09-07 18:14:53,297 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-09-07 18:14:53,297 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-09-07 18:14:53,298 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-09-07 18:14:53,298 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-09-07 18:14:53,298 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-09-07 18:14:53,298 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-09-07 18:14:53,298 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-09-07 18:14:53,298 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-09-07 18:14:53,299 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-09-07 18:14:53,299 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-09-07 18:14:53,299 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-09-07 18:14:53,299 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,299 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,300 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,300 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,300 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-09-07 18:14:53,300 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,300 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,300 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-09-07 18:14:53,301 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-09-07 18:14:53,301 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-09-07 18:14:53,301 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-09-07 18:14:53,301 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-09-07 18:14:53,301 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-09-07 18:14:53,301 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-09-07 18:14:53,302 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-09-07 18:14:53,302 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-09-07 18:14:53,302 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-09-07 18:14:53,302 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-09-07 18:14:53,302 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-09-07 18:14:53,303 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-09-07 18:14:53,303 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,303 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,303 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,303 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,304 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,304 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,304 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-09-07 18:14:53,304 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-09-07 18:14:53,304 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-09-07 18:14:53,305 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-09-07 18:14:53,305 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-09-07 18:14:53,305 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-09-07 18:14:53,305 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-09-07 18:14:53,305 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-09-07 18:14:53,306 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-09-07 18:14:53,306 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-09-07 18:14:53,306 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-09-07 18:14:53,306 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= ~a10~0 |old(~a10~0)|)) (.cse2 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse1 .cse2))) (and (or .cse0 (= 8 |old(~a19~0)|)) (or (and .cse1 (< 0 (+ ~a1~0 13)) .cse2) (not (< 0 (+ |old(~a1~0)| 13))) (not (<= |old(~a19~0)| 8)) (= 1 |old(~a10~0)|)) (or (not (<= |old(~a10~0)| 2)) .cse0) (or (and (= ~a10~0 4) .cse2) (not (= 4 |old(~a10~0)|)))))) [2019-09-07 18:14:53,307 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-09-07 18:14:53,307 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-09-07 18:14:53,307 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-09-07 18:14:53,307 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,307 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,307 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,308 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,308 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,308 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,308 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-09-07 18:14:53,308 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-09-07 18:14:53,308 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-09-07 18:14:53,308 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-09-07 18:14:53,309 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-09-07 18:14:53,309 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-09-07 18:14:53,309 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-09-07 18:14:53,309 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-09-07 18:14:53,309 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-09-07 18:14:53,309 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-09-07 18:14:53,309 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-09-07 18:14:53,309 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-09-07 18:14:53,310 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-09-07 18:14:53,310 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,310 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,310 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,310 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,310 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,310 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,310 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-09-07 18:14:53,311 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-09-07 18:14:53,311 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-09-07 18:14:53,311 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-09-07 18:14:53,311 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-09-07 18:14:53,311 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-09-07 18:14:53,311 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-09-07 18:14:53,311 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-09-07 18:14:53,312 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-09-07 18:14:53,312 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2019-09-07 18:14:53,312 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-09-07 18:14:53,312 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-09-07 18:14:53,312 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-09-07 18:14:53,312 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,313 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,313 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,313 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,313 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,313 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:14:53,313 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-09-07 18:14:53,314 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-09-07 18:14:53,314 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-09-07 18:14:53,314 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-09-07 18:14:53,314 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-09-07 18:14:53,314 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-09-07 18:14:53,315 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-09-07 18:14:53,315 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-09-07 18:14:53,315 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-09-07 18:14:53,315 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-09-07 18:14:53,315 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-09-07 18:14:53,316 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-09-07 18:14:53,316 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-07 18:14:53,316 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (not (= 1 ~a10~0)) (not (= ~a19~0 8)) (<= ~a10~0 2)) [2019-09-07 18:14:53,316 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-07 18:14:53,316 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-07 18:14:53,317 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 2)) (= 8 |old(~a19~0)|) (= 1 |old(~a10~0)|) (and (<= 23 ~a1~0) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|))) [2019-09-07 18:14:53,317 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-09-07 18:14:53,317 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1) (and (< 0 (+ ~a1~0 13)) .cse1) (and (and (not (= 1 ~a10~0)) .cse0) (= ~a19~0 |old(~a19~0)|)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 2)) (= 8 |old(~a19~0)|) (and (not (= ~a19~0 8)) .cse1) (and (= ~a10~0 4) .cse1) (= 1 |old(~a10~0)|))) [2019-09-07 18:14:53,317 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-09-07 18:14:53,318 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-09-07 18:14:53,318 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1) (and (< 0 (+ ~a1~0 13)) .cse1) (and (and (not (= 1 ~a10~0)) .cse0) (= ~a19~0 |old(~a19~0)|)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 2)) (= 8 |old(~a19~0)|) (and (not (= ~a19~0 8)) .cse1) (and (= ~a10~0 4) .cse1) (= 1 |old(~a10~0)|))) [2019-09-07 18:14:53,318 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-09-07 18:14:53,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 06:14:53 BoogieIcfgContainer [2019-09-07 18:14:53,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 18:14:53,353 INFO L168 Benchmark]: Toolchain (without parser) took 14034.43 ms. Allocated memory was 142.6 MB in the beginning and 454.6 MB in the end (delta: 312.0 MB). Free memory was 88.3 MB in the beginning and 284.4 MB in the end (delta: -196.1 MB). Peak memory consumption was 265.6 MB. Max. memory is 7.1 GB. [2019-09-07 18:14:53,357 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 142.6 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-07 18:14:53,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.39 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 88.1 MB in the beginning and 159.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-07 18:14:53,364 INFO L168 Benchmark]: Boogie Preprocessor took 103.09 ms. Allocated memory is still 201.9 MB. Free memory was 159.4 MB in the beginning and 154.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-07 18:14:53,368 INFO L168 Benchmark]: RCFGBuilder took 1351.02 ms. Allocated memory was 201.9 MB in the beginning and 231.7 MB in the end (delta: 29.9 MB). Free memory was 154.7 MB in the beginning and 172.3 MB in the end (delta: -17.6 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2019-09-07 18:14:53,370 INFO L168 Benchmark]: TraceAbstraction took 11749.19 ms. Allocated memory was 231.7 MB in the beginning and 454.6 MB in the end (delta: 222.8 MB). Free memory was 171.0 MB in the beginning and 284.4 MB in the end (delta: -113.5 MB). Peak memory consumption was 259.2 MB. Max. memory is 7.1 GB. [2019-09-07 18:14:53,382 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 142.6 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 824.39 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 88.1 MB in the beginning and 159.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.09 ms. Allocated memory is still 201.9 MB. Free memory was 159.4 MB in the beginning and 154.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1351.02 ms. Allocated memory was 201.9 MB in the beginning and 231.7 MB in the end (delta: 29.9 MB). Free memory was 154.7 MB in the beginning and 172.3 MB in the end (delta: -17.6 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11749.19 ms. Allocated memory was 231.7 MB in the beginning and 454.6 MB in the end (delta: 222.8 MB). Free memory was 171.0 MB in the beginning and 284.4 MB in the end (delta: -113.5 MB). Peak memory consumption was 259.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((a10 <= 2 && 9 <= \old(a19)) || (0 < a1 + 13 && 9 <= \old(a19))) || ((!(1 == a10) && a10 <= 2) && a19 == \old(a19))) || !(23 <= \old(a1))) || !(\old(a10) <= 2)) || 8 == \old(a19)) || (!(a19 == 8) && 9 <= \old(a19))) || (a10 == 4 && 9 <= \old(a19))) || 1 == \old(a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 11.6s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 8.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 159 SDtfs, 3253 SDslu, 247 SDs, 0 SdLazy, 5951 SolverSat, 1407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 479 GetRequests, 434 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1488occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 779 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 66 PreInvPairs, 130 NumberOfFragments, 226 HoareAnnotationTreeSize, 66 FomulaSimplifications, 7032 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1403 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1369 NumberOfCodeBlocks, 1369 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1362 ConstructedInterpolants, 0 QuantifiedInterpolants, 931354 SizeOfPredicates, 2 NumberOfNonLiveVariables, 715 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 661/714 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...