java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:55:29,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:55:29,205 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:55:29,220 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:55:29,221 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:55:29,222 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:55:29,223 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:55:29,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:55:29,228 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:55:29,229 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:55:29,239 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:55:29,239 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:55:29,240 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:55:29,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:55:29,248 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:55:29,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:55:29,250 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:55:29,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:55:29,259 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:55:29,261 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:55:29,264 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:55:29,266 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:55:29,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:55:29,271 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:55:29,271 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:55:29,272 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:55:29,274 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:55:29,275 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:55:29,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:55:29,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:55:29,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:55:29,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:55:29,280 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:55:29,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:55:29,281 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:55:29,282 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:55:29,282 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 19:55:29,299 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:55:29,300 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:55:29,300 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:55:29,301 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:55:29,301 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:55:29,302 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:55:29,302 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:55:29,302 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:55:29,302 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:55:29,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:55:29,303 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:55:29,303 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:55:29,303 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:55:29,303 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:55:29,304 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:55:29,304 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:55:29,304 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:55:29,304 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:55:29,304 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:55:29,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:55:29,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:55:29,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:55:29,305 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:55:29,305 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:55:29,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:55:29,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:55:29,306 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:55:29,306 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 19:55:29,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:55:29,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:55:29,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:55:29,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:55:29,387 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:55:29,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c [2018-10-26 19:55:29,456 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7b53c1357/d4ff4fab81714507bfeb486c94a72963/FLAGa4b9e3469 [2018-10-26 19:55:30,077 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:55:30,079 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c [2018-10-26 19:55:30,095 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7b53c1357/d4ff4fab81714507bfeb486c94a72963/FLAGa4b9e3469 [2018-10-26 19:55:30,118 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7b53c1357/d4ff4fab81714507bfeb486c94a72963 [2018-10-26 19:55:30,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:55:30,133 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:55:30,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:55:30,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:55:30,140 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:55:30,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:30,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379aca2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30, skipping insertion in model container [2018-10-26 19:55:30,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:30,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:55:30,221 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:55:30,731 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:55:30,737 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:55:30,886 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:55:30,907 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:55:30,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30 WrapperNode [2018-10-26 19:55:30,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:55:30,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:55:30,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:55:30,909 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:55:30,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:30,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:31,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:55:31,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:55:31,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:55:31,088 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:55:31,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:31,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:31,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:31,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:31,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:31,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:31,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (1/1) ... [2018-10-26 19:55:31,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:55:31,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:55:31,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:55:31,167 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:55:31,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-26 19:55:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:55:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:55:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:55:34,320 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:55:34,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:55:34 BoogieIcfgContainer [2018-10-26 19:55:34,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:55:34,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:55:34,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:55:34,328 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:55:34,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:55:30" (1/3) ... [2018-10-26 19:55:34,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c99d238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:55:34, skipping insertion in model container [2018-10-26 19:55:34,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:30" (2/3) ... [2018-10-26 19:55:34,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c99d238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:55:34, skipping insertion in model container [2018-10-26 19:55:34,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:55:34" (3/3) ... [2018-10-26 19:55:34,334 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label39_true-unreach-call_false-termination.c [2018-10-26 19:55:34,345 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:55:34,358 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:55:34,377 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:55:34,425 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:55:34,427 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:55:34,427 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:55:34,427 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:55:34,427 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:55:34,428 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:55:34,428 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:55:34,428 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:55:34,428 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:55:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-26 19:55:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 19:55:34,494 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:34,495 INFO L375 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] [2018-10-26 19:55:34,498 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:34,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:34,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1506521537, now seen corresponding path program 1 times [2018-10-26 19:55:34,510 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:34,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:34,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:34,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:34,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:35,256 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 19:55:35,678 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-10-26 19:55:35,998 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-10-26 19:55:36,283 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2018-10-26 19:55:36,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:55:36,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:36,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 19:55:36,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 19:55:36,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 19:55:36,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:55:36,557 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 10 states. [2018-10-26 19:55:36,809 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-10-26 19:55:39,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:39,035 INFO L93 Difference]: Finished difference Result 636 states and 1117 transitions. [2018-10-26 19:55:39,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 19:55:39,037 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2018-10-26 19:55:39,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:39,054 INFO L225 Difference]: With dead ends: 636 [2018-10-26 19:55:39,054 INFO L226 Difference]: Without dead ends: 254 [2018-10-26 19:55:39,059 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2018-10-26 19:55:39,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-10-26 19:55:39,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2018-10-26 19:55:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-10-26 19:55:39,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 384 transitions. [2018-10-26 19:55:39,122 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 384 transitions. Word has length 133 [2018-10-26 19:55:39,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:39,123 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 384 transitions. [2018-10-26 19:55:39,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 19:55:39,123 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 384 transitions. [2018-10-26 19:55:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 19:55:39,127 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:39,127 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:55:39,128 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:39,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:39,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1376449049, now seen corresponding path program 1 times [2018-10-26 19:55:39,128 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:39,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:39,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:39,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:39,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:55:39,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:39,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:55:39,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:55:39,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:55:39,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:39,395 INFO L87 Difference]: Start difference. First operand 254 states and 384 transitions. Second operand 4 states. [2018-10-26 19:55:41,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:41,252 INFO L93 Difference]: Finished difference Result 741 states and 1248 transitions. [2018-10-26 19:55:41,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:55:41,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-10-26 19:55:41,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:41,266 INFO L225 Difference]: With dead ends: 741 [2018-10-26 19:55:41,267 INFO L226 Difference]: Without dead ends: 548 [2018-10-26 19:55:41,269 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:41,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-10-26 19:55:41,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 386. [2018-10-26 19:55:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2018-10-26 19:55:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 588 transitions. [2018-10-26 19:55:41,300 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 588 transitions. Word has length 138 [2018-10-26 19:55:41,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:41,301 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 588 transitions. [2018-10-26 19:55:41,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:55:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 588 transitions. [2018-10-26 19:55:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 19:55:41,305 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:41,305 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:55:41,305 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:41,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:41,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1464174379, now seen corresponding path program 1 times [2018-10-26 19:55:41,306 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:41,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:41,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:41,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:41,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:41,562 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 19:55:41,789 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 19:55:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:55:41,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:41,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:55:41,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:55:41,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:55:41,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:41,900 INFO L87 Difference]: Start difference. First operand 386 states and 588 transitions. Second operand 4 states. [2018-10-26 19:55:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:43,953 INFO L93 Difference]: Finished difference Result 975 states and 1626 transitions. [2018-10-26 19:55:43,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:55:43,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2018-10-26 19:55:43,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:43,960 INFO L225 Difference]: With dead ends: 975 [2018-10-26 19:55:43,960 INFO L226 Difference]: Without dead ends: 517 [2018-10-26 19:55:43,963 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:43,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-10-26 19:55:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2018-10-26 19:55:43,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2018-10-26 19:55:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 700 transitions. [2018-10-26 19:55:43,983 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 700 transitions. Word has length 141 [2018-10-26 19:55:43,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:43,984 INFO L481 AbstractCegarLoop]: Abstraction has 517 states and 700 transitions. [2018-10-26 19:55:43,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:55:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 700 transitions. [2018-10-26 19:55:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 19:55:43,987 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:43,988 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-10-26 19:55:43,988 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:43,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:43,988 INFO L82 PathProgramCache]: Analyzing trace with hash -714695843, now seen corresponding path program 1 times [2018-10-26 19:55:43,989 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:43,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:43,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:43,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:43,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:55:44,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:44,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:55:44,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:55:44,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:55:44,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:44,141 INFO L87 Difference]: Start difference. First operand 517 states and 700 transitions. Second operand 3 states. [2018-10-26 19:55:45,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:45,845 INFO L93 Difference]: Finished difference Result 1105 states and 1529 transitions. [2018-10-26 19:55:45,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:55:45,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-10-26 19:55:45,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:45,853 INFO L225 Difference]: With dead ends: 1105 [2018-10-26 19:55:45,854 INFO L226 Difference]: Without dead ends: 649 [2018-10-26 19:55:45,855 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:45,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2018-10-26 19:55:45,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 649. [2018-10-26 19:55:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2018-10-26 19:55:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 856 transitions. [2018-10-26 19:55:45,876 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 856 transitions. Word has length 150 [2018-10-26 19:55:45,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:45,877 INFO L481 AbstractCegarLoop]: Abstraction has 649 states and 856 transitions. [2018-10-26 19:55:45,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:55:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 856 transitions. [2018-10-26 19:55:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 19:55:45,881 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:45,881 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:55:45,881 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:45,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:45,882 INFO L82 PathProgramCache]: Analyzing trace with hash 394700775, now seen corresponding path program 1 times [2018-10-26 19:55:45,882 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:45,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:45,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:45,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:45,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:55:46,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:46,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:55:46,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:55:46,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:55:46,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:46,050 INFO L87 Difference]: Start difference. First operand 649 states and 856 transitions. Second operand 4 states. [2018-10-26 19:55:47,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:47,190 INFO L93 Difference]: Finished difference Result 1897 states and 2620 transitions. [2018-10-26 19:55:47,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:55:47,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2018-10-26 19:55:47,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:47,198 INFO L225 Difference]: With dead ends: 1897 [2018-10-26 19:55:47,198 INFO L226 Difference]: Without dead ends: 1309 [2018-10-26 19:55:47,200 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:47,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2018-10-26 19:55:47,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1309. [2018-10-26 19:55:47,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1309 states. [2018-10-26 19:55:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1655 transitions. [2018-10-26 19:55:47,230 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1655 transitions. Word has length 154 [2018-10-26 19:55:47,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:47,231 INFO L481 AbstractCegarLoop]: Abstraction has 1309 states and 1655 transitions. [2018-10-26 19:55:47,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:55:47,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1655 transitions. [2018-10-26 19:55:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 19:55:47,236 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:47,236 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:55:47,237 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:47,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:47,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1844353334, now seen corresponding path program 1 times [2018-10-26 19:55:47,237 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:47,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:47,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:47,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:47,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:47,537 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 19:55:47,791 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 19:55:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:55:48,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:48,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-26 19:55:48,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 19:55:48,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 19:55:48,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2018-10-26 19:55:48,486 INFO L87 Difference]: Start difference. First operand 1309 states and 1655 transitions. Second operand 12 states. [2018-10-26 19:55:48,789 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2018-10-26 19:55:50,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:50,446 INFO L93 Difference]: Finished difference Result 3331 states and 4340 transitions. [2018-10-26 19:55:50,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-26 19:55:50,447 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 171 [2018-10-26 19:55:50,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:50,456 INFO L225 Difference]: With dead ends: 3331 [2018-10-26 19:55:50,457 INFO L226 Difference]: Without dead ends: 2049 [2018-10-26 19:55:50,459 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=115, Invalid=157, Unknown=0, NotChecked=0, Total=272 [2018-10-26 19:55:50,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2018-10-26 19:55:50,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 2005. [2018-10-26 19:55:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2005 states. [2018-10-26 19:55:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 2005 states and 2402 transitions. [2018-10-26 19:55:50,498 INFO L78 Accepts]: Start accepts. Automaton has 2005 states and 2402 transitions. Word has length 171 [2018-10-26 19:55:50,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:50,499 INFO L481 AbstractCegarLoop]: Abstraction has 2005 states and 2402 transitions. [2018-10-26 19:55:50,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 19:55:50,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2402 transitions. [2018-10-26 19:55:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 19:55:50,504 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:50,504 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:55:50,505 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:50,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:50,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1578580349, now seen corresponding path program 1 times [2018-10-26 19:55:50,505 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:50,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:50,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:50,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:50,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:50,759 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 19:55:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 77 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:55:51,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:55:51,117 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-26 19:55:51,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:51,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:55:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 19:55:51,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:55:51,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2018-10-26 19:55:51,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 19:55:51,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 19:55:51,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:55:51,531 INFO L87 Difference]: Start difference. First operand 2005 states and 2402 transitions. Second operand 11 states. [2018-10-26 19:55:59,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:59,727 INFO L93 Difference]: Finished difference Result 7391 states and 9036 transitions. [2018-10-26 19:55:59,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-26 19:55:59,728 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 199 [2018-10-26 19:55:59,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:59,751 INFO L225 Difference]: With dead ends: 7391 [2018-10-26 19:55:59,751 INFO L226 Difference]: Without dead ends: 5447 [2018-10-26 19:55:59,755 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2018-10-26 19:55:59,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5447 states. [2018-10-26 19:55:59,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5447 to 5435. [2018-10-26 19:55:59,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5435 states. [2018-10-26 19:55:59,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5435 states to 5435 states and 6141 transitions. [2018-10-26 19:55:59,861 INFO L78 Accepts]: Start accepts. Automaton has 5435 states and 6141 transitions. Word has length 199 [2018-10-26 19:55:59,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:59,862 INFO L481 AbstractCegarLoop]: Abstraction has 5435 states and 6141 transitions. [2018-10-26 19:55:59,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 19:55:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 5435 states and 6141 transitions. [2018-10-26 19:55:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 19:55:59,872 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:59,872 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-10-26 19:55:59,873 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:59,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:59,873 INFO L82 PathProgramCache]: Analyzing trace with hash 225571566, now seen corresponding path program 1 times [2018-10-26 19:55:59,873 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:59,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:59,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:59,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:59,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:00,357 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 19:56:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 161 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:00,810 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:56:00,810 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:56:00,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:00,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:56:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-10-26 19:56:01,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:56:01,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2018-10-26 19:56:01,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 19:56:01,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 19:56:01,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:56:01,058 INFO L87 Difference]: Start difference. First operand 5435 states and 6141 transitions. Second operand 10 states. [2018-10-26 19:56:04,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:04,510 INFO L93 Difference]: Finished difference Result 12668 states and 14488 transitions. [2018-10-26 19:56:04,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-26 19:56:04,510 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 251 [2018-10-26 19:56:04,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:04,510 INFO L225 Difference]: With dead ends: 12668 [2018-10-26 19:56:04,510 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:56:04,522 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-10-26 19:56:04,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:56:04,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:56:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:56:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:56:04,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 251 [2018-10-26 19:56:04,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:04,525 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:56:04,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 19:56:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:56:04,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:56:04,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:56:04,901 WARN L179 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-10-26 19:56:05,037 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-10-26 19:56:05,041 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-26 19:56:05,042 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-26 19:56:05,042 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,042 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,042 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,042 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,042 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,042 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,042 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-26 19:56:05,042 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-26 19:56:05,043 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-26 19:56:05,043 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-26 19:56:05,043 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-26 19:56:05,043 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-26 19:56:05,043 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-26 19:56:05,043 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-26 19:56:05,043 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-26 19:56:05,043 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-26 19:56:05,043 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,044 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,044 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,044 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,044 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,044 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,044 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-26 19:56:05,044 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-26 19:56:05,044 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-26 19:56:05,044 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-26 19:56:05,045 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-26 19:56:05,045 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-26 19:56:05,045 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-26 19:56:05,045 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-26 19:56:05,045 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-26 19:56:05,045 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-26 19:56:05,045 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-26 19:56:05,045 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-26 19:56:05,046 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-26 19:56:05,046 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-26 19:56:05,046 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,046 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-26 19:56:05,046 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,046 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,046 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,046 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,047 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-26 19:56:05,047 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-26 19:56:05,047 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-26 19:56:05,047 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-26 19:56:05,047 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-26 19:56:05,047 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-26 19:56:05,047 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-26 19:56:05,047 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-26 19:56:05,048 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-26 19:56:05,048 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a7~0 1)) (.cse2 (= ~a12~0 8)) (.cse3 (= ~a21~0 1)) (.cse0 (= ~a20~0 1))) (or (and (not .cse0) (not (= 6 ~a16~0)) (<= 14 ~a8~0)) (and .cse1 .cse2 .cse0) (and (not .cse1) (= ~a8~0 15) .cse2 .cse3) (<= ~a16~0 4) (and (= ~a17~0 1) .cse2 .cse3 .cse0))) [2018-10-26 19:56:05,048 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,048 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,049 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,049 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,049 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,049 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-26 19:56:05,049 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-26 19:56:05,049 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-26 19:56:05,049 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-26 19:56:05,049 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-26 19:56:05,050 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-26 19:56:05,050 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-26 19:56:05,050 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-26 19:56:05,050 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-26 19:56:05,050 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-26 19:56:05,050 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-26 19:56:05,050 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-26 19:56:05,050 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-26 19:56:05,051 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-26 19:56:05,051 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,051 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,051 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,051 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,051 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,051 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-26 19:56:05,051 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-26 19:56:05,052 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-26 19:56:05,052 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-26 19:56:05,052 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-26 19:56:05,052 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-26 19:56:05,052 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-26 19:56:05,052 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-26 19:56:05,052 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-26 19:56:05,052 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,052 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-26 19:56:05,053 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-26 19:56:05,054 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-26 19:56:05,054 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-26 19:56:05,054 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-26 19:56:05,054 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-26 19:56:05,054 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-26 19:56:05,054 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,054 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,054 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,055 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a7~0 1)) (.cse2 (= ~a12~0 8)) (.cse3 (= ~a21~0 1)) (.cse0 (= ~a20~0 1))) (or (and (not .cse0) (not (= 6 ~a16~0)) (<= 14 ~a8~0)) (and .cse1 .cse2 .cse0) (and (not .cse1) (= ~a8~0 15) .cse2 .cse3) (<= ~a16~0 4) (and (= ~a17~0 1) .cse2 .cse3 .cse0))) [2018-10-26 19:56:05,055 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,055 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,055 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-26 19:56:05,055 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-26 19:56:05,055 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-26 19:56:05,055 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-26 19:56:05,055 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-26 19:56:05,055 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-26 19:56:05,056 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,057 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-26 19:56:05,058 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-26 19:56:05,059 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 572) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-26 19:56:05,060 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-26 19:56:05,061 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,061 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,061 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,061 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,061 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,061 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:05,061 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-26 19:56:05,061 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-26 19:56:05,061 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-26 19:56:05,062 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-26 19:56:05,062 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-26 19:56:05,062 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-26 19:56:05,062 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-26 19:56:05,062 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-26 19:56:05,062 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-26 19:56:05,062 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-26 19:56:05,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:56:05 BoogieIcfgContainer [2018-10-26 19:56:05,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:56:05,083 INFO L168 Benchmark]: Toolchain (without parser) took 34951.57 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -918.7 MB). Peak memory consumption was 251.0 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:05,085 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 19:56:05,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:05,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.40 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:05,087 INFO L168 Benchmark]: Boogie Preprocessor took 78.81 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 19:56:05,088 INFO L168 Benchmark]: RCFGBuilder took 3154.38 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 116.9 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:05,089 INFO L168 Benchmark]: TraceAbstraction took 30758.54 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 430.4 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -254.4 MB). Peak memory consumption was 176.0 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:05,094 INFO L336 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 774.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 178.40 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.81 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3154.38 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 116.9 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30758.54 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 430.4 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -254.4 MB). Peak memory consumption was 176.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 572]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((!(a20 == 1) && !(6 == a16)) && 14 <= a8) || ((a7 == 1 && a12 == 8) && a20 == 1)) || (((!(a7 == 1) && a8 == 15) && a12 == 8) && a21 == 1)) || a16 <= 4) || (((a17 == 1 && a12 == 8) && a21 == 1) && a20 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((!(a20 == 1) && !(6 == a16)) && 14 <= a8) || ((a7 == 1 && a12 == 8) && a20 == 1)) || (((!(a7 == 1) && a8 == 15) && a12 == 8) && a21 == 1)) || a16 <= 4) || (((a17 == 1 && a12 == 8) && a21 == 1) && a20 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 30.6s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 22.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1338 SDtfs, 5745 SDslu, 1060 SDs, 0 SdLazy, 9711 SolverSat, 2199 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 546 GetRequests, 473 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5435occurred in iteration=7, 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, 8 MinimizatonAttempts, 218 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 138 NumberOfFragments, 107 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5629 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 170 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1787 NumberOfCodeBlocks, 1787 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1777 ConstructedInterpolants, 0 QuantifiedInterpolants, 2386377 SizeOfPredicates, 2 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 630/692 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...