java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-22 15:16:58,211 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-22 15:16:58,214 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-22 15:16:58,230 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-22 15:16:58,230 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-22 15:16:58,231 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-22 15:16:58,232 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-22 15:16:58,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-22 15:16:58,242 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-22 15:16:58,243 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-22 15:16:58,243 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-22 15:16:58,244 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-22 15:16:58,244 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-22 15:16:58,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-22 15:16:58,248 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-22 15:16:58,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-22 15:16:58,249 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-22 15:16:58,254 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-22 15:16:58,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-22 15:16:58,266 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-22 15:16:58,267 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-22 15:16:58,268 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-22 15:16:58,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-22 15:16:58,271 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-22 15:16:58,271 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-22 15:16:58,277 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-22 15:16:58,278 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-22 15:16:58,279 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-22 15:16:58,279 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-22 15:16:58,280 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-22 15:16:58,280 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-22 15:16:58,283 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-22 15:16:58,283 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-22 15:16:58,284 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-22 15:16:58,285 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-22 15:16:58,285 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-22 15:16:58,285 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-22 15:16:58,313 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-22 15:16:58,313 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-22 15:16:58,314 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-22 15:16:58,314 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-22 15:16:58,315 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-22 15:16:58,315 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-22 15:16:58,315 INFO L133 SettingsManager]: * Use SBE=true [2018-07-22 15:16:58,315 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-22 15:16:58,315 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-22 15:16:58,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-22 15:16:58,316 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-22 15:16:58,316 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-22 15:16:58,316 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-22 15:16:58,316 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-22 15:16:58,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-22 15:16:58,318 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-22 15:16:58,318 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-22 15:16:58,318 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-22 15:16:58,318 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-22 15:16:58,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-22 15:16:58,319 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-22 15:16:58,319 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-22 15:16:58,319 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-22 15:16:58,319 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-22 15:16:58,319 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-22 15:16:58,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-22 15:16:58,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-22 15:16:58,320 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-22 15:16:58,320 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-22 15:16:58,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-22 15:16:58,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-22 15:16:58,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-22 15:16:58,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-22 15:16:58,391 INFO L276 PluginConnector]: CDTParser initialized [2018-07-22 15:16:58,392 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c [2018-07-22 15:16:58,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdafc2dc/2111998a193c417b9324f7dd3fa48e4d/FLAG6cf178089 [2018-07-22 15:16:59,427 INFO L276 CDTParser]: Found 1 translation units. [2018-07-22 15:16:59,428 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c [2018-07-22 15:16:59,483 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdafc2dc/2111998a193c417b9324f7dd3fa48e4d/FLAG6cf178089 [2018-07-22 15:16:59,502 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdafc2dc/2111998a193c417b9324f7dd3fa48e4d [2018-07-22 15:16:59,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-22 15:16:59,520 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-22 15:16:59,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-22 15:16:59,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-22 15:16:59,529 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-22 15:16:59,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:16:59" (1/1) ... [2018-07-22 15:16:59,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4424207d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:16:59, skipping insertion in model container [2018-07-22 15:16:59,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:16:59" (1/1) ... [2018-07-22 15:17:00,081 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-22 15:17:02,111 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 15:17:02,130 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-22 15:17:03,407 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 15:17:04,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04 WrapperNode [2018-07-22 15:17:04,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-22 15:17:04,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-22 15:17:04,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-22 15:17:04,200 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-22 15:17:04,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (1/1) ... [2018-07-22 15:17:04,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (1/1) ... [2018-07-22 15:17:06,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-22 15:17:06,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-22 15:17:06,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-22 15:17:06,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-22 15:17:06,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (1/1) ... [2018-07-22 15:17:06,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (1/1) ... [2018-07-22 15:17:06,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (1/1) ... [2018-07-22 15:17:06,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (1/1) ... [2018-07-22 15:17:06,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (1/1) ... [2018-07-22 15:17:06,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (1/1) ... [2018-07-22 15:17:07,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (1/1) ... [2018-07-22 15:17:07,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-22 15:17:07,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-22 15:17:07,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-22 15:17:07,127 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-22 15:17:07,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (1/1) ... No working directory specified, using /storage/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 [2018-07-22 15:17:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-22 15:17:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-22 15:17:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-22 15:17:27,126 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-22 15:17:27,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:17:27 BoogieIcfgContainer [2018-07-22 15:17:27,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-22 15:17:27,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-22 15:17:27,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-22 15:17:27,131 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-22 15:17:27,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 03:16:59" (1/3) ... [2018-07-22 15:17:27,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c78e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 03:17:27, skipping insertion in model container [2018-07-22 15:17:27,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:17:04" (2/3) ... [2018-07-22 15:17:27,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c78e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 03:17:27, skipping insertion in model container [2018-07-22 15:17:27,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:17:27" (3/3) ... [2018-07-22 15:17:27,136 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label03_true-unreach-call.c [2018-07-22 15:17:27,147 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-22 15:17:27,159 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-22 15:17:27,236 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-22 15:17:27,237 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-22 15:17:27,237 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-22 15:17:27,237 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-22 15:17:27,237 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-22 15:17:27,238 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-22 15:17:27,238 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-22 15:17:27,238 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-22 15:17:27,238 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-22 15:17:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-07-22 15:17:27,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-22 15:17:27,313 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 15:17:27,314 INFO L358 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] [2018-07-22 15:17:27,315 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 15:17:27,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1482679290, now seen corresponding path program 1 times [2018-07-22 15:17:27,321 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 15:17:27,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 15:17:27,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:17:27,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:17:27,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:17:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:17:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 15:17:27,864 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 15:17:27,864 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 15:17:27,867 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 15:17:27,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 15:17:27,882 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 15:17:27,885 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-07-22 15:17:44,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 15:17:44,902 INFO L93 Difference]: Finished difference Result 6324 states and 12081 transitions. [2018-07-22 15:17:44,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 15:17:44,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2018-07-22 15:17:44,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 15:17:44,954 INFO L225 Difference]: With dead ends: 6324 [2018-07-22 15:17:44,954 INFO L226 Difference]: Without dead ends: 4568 [2018-07-22 15:17:44,964 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 15:17:44,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states. [2018-07-22 15:17:45,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4568 to 4563. [2018-07-22 15:17:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4563 states. [2018-07-22 15:17:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4563 states to 4563 states and 7487 transitions. [2018-07-22 15:17:45,225 INFO L78 Accepts]: Start accepts. Automaton has 4563 states and 7487 transitions. Word has length 58 [2018-07-22 15:17:45,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 15:17:45,225 INFO L471 AbstractCegarLoop]: Abstraction has 4563 states and 7487 transitions. [2018-07-22 15:17:45,225 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 15:17:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4563 states and 7487 transitions. [2018-07-22 15:17:45,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-22 15:17:45,233 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 15:17:45,234 INFO L358 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, 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] [2018-07-22 15:17:45,234 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 15:17:45,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1551936202, now seen corresponding path program 1 times [2018-07-22 15:17:45,234 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 15:17:45,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 15:17:45,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:17:45,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:17:45,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:17:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:17:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 15:17:45,620 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 15:17:45,621 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 15:17:45,623 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 15:17:45,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 15:17:45,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 15:17:45,624 INFO L87 Difference]: Start difference. First operand 4563 states and 7487 transitions. Second operand 4 states. [2018-07-22 15:18:07,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 15:18:07,859 INFO L93 Difference]: Finished difference Result 17544 states and 29003 transitions. [2018-07-22 15:18:07,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 15:18:07,861 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-07-22 15:18:07,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 15:18:07,928 INFO L225 Difference]: With dead ends: 17544 [2018-07-22 15:18:07,928 INFO L226 Difference]: Without dead ends: 12983 [2018-07-22 15:18:07,936 INFO L578 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 [2018-07-22 15:18:07,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12983 states. [2018-07-22 15:18:08,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12983 to 8662. [2018-07-22 15:18:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8662 states. [2018-07-22 15:18:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8662 states to 8662 states and 13841 transitions. [2018-07-22 15:18:08,194 INFO L78 Accepts]: Start accepts. Automaton has 8662 states and 13841 transitions. Word has length 136 [2018-07-22 15:18:08,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 15:18:08,195 INFO L471 AbstractCegarLoop]: Abstraction has 8662 states and 13841 transitions. [2018-07-22 15:18:08,195 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 15:18:08,196 INFO L276 IsEmpty]: Start isEmpty. Operand 8662 states and 13841 transitions. [2018-07-22 15:18:08,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-22 15:18:08,204 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 15:18:08,204 INFO L358 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, 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] [2018-07-22 15:18:08,205 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 15:18:08,205 INFO L82 PathProgramCache]: Analyzing trace with hash 53337046, now seen corresponding path program 1 times [2018-07-22 15:18:08,205 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 15:18:08,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 15:18:08,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:18:08,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:18:08,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:18:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:18:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 15:18:08,604 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 15:18:08,604 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 15:18:08,605 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 15:18:08,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 15:18:08,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 15:18:08,606 INFO L87 Difference]: Start difference. First operand 8662 states and 13841 transitions. Second operand 4 states. [2018-07-22 15:18:24,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 15:18:24,120 INFO L93 Difference]: Finished difference Result 33991 states and 54526 transitions. [2018-07-22 15:18:24,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 15:18:24,120 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2018-07-22 15:18:24,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 15:18:24,220 INFO L225 Difference]: With dead ends: 33991 [2018-07-22 15:18:24,220 INFO L226 Difference]: Without dead ends: 25331 [2018-07-22 15:18:24,236 INFO L578 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 [2018-07-22 15:18:24,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25331 states. [2018-07-22 15:18:24,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25331 to 25321. [2018-07-22 15:18:24,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25321 states. [2018-07-22 15:18:24,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25321 states to 25321 states and 34467 transitions. [2018-07-22 15:18:24,709 INFO L78 Accepts]: Start accepts. Automaton has 25321 states and 34467 transitions. Word has length 156 [2018-07-22 15:18:24,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 15:18:24,709 INFO L471 AbstractCegarLoop]: Abstraction has 25321 states and 34467 transitions. [2018-07-22 15:18:24,710 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 15:18:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand 25321 states and 34467 transitions. [2018-07-22 15:18:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-07-22 15:18:24,714 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 15:18:24,714 INFO L358 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, 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] [2018-07-22 15:18:24,714 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 15:18:24,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1163001105, now seen corresponding path program 1 times [2018-07-22 15:18:24,715 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 15:18:24,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 15:18:24,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:18:24,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:18:24,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:18:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:18:25,127 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-22 15:18:25,523 WARN L169 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 18 [2018-07-22 15:18:25,722 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2018-07-22 15:18:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 15:18:25,926 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 15:18:25,926 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-22 15:18:25,926 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-22 15:18:25,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-22 15:18:25,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-22 15:18:25,927 INFO L87 Difference]: Start difference. First operand 25321 states and 34467 transitions. Second operand 6 states. [2018-07-22 15:18:48,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 15:18:48,558 INFO L93 Difference]: Finished difference Result 82151 states and 109854 transitions. [2018-07-22 15:18:48,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-22 15:18:48,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-07-22 15:18:48,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 15:18:48,658 INFO L225 Difference]: With dead ends: 82151 [2018-07-22 15:18:48,658 INFO L226 Difference]: Without dead ends: 56832 [2018-07-22 15:18:48,688 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-07-22 15:18:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56832 states. [2018-07-22 15:18:49,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56832 to 55390. [2018-07-22 15:18:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55390 states. [2018-07-22 15:18:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55390 states to 55390 states and 72762 transitions. [2018-07-22 15:18:49,396 INFO L78 Accepts]: Start accepts. Automaton has 55390 states and 72762 transitions. Word has length 163 [2018-07-22 15:18:49,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 15:18:49,397 INFO L471 AbstractCegarLoop]: Abstraction has 55390 states and 72762 transitions. [2018-07-22 15:18:49,397 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-22 15:18:49,397 INFO L276 IsEmpty]: Start isEmpty. Operand 55390 states and 72762 transitions. [2018-07-22 15:18:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-07-22 15:18:49,401 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 15:18:49,401 INFO L358 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 15:18:49,401 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 15:18:49,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1047820557, now seen corresponding path program 1 times [2018-07-22 15:18:49,402 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 15:18:49,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 15:18:49,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:18:49,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:18:49,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:18:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:18:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 15:18:49,815 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 15:18:49,815 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 15:18:49,815 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 15:18:49,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 15:18:49,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 15:18:49,816 INFO L87 Difference]: Start difference. First operand 55390 states and 72762 transitions. Second operand 4 states. [2018-07-22 15:19:04,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 15:19:04,247 INFO L93 Difference]: Finished difference Result 142341 states and 186325 transitions. [2018-07-22 15:19:04,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 15:19:04,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 294 [2018-07-22 15:19:04,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 15:19:04,387 INFO L225 Difference]: With dead ends: 142341 [2018-07-22 15:19:04,387 INFO L226 Difference]: Without dead ends: 81487 [2018-07-22 15:19:04,433 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 15:19:04,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81487 states. [2018-07-22 15:19:05,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81487 to 77262. [2018-07-22 15:19:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77262 states. [2018-07-22 15:19:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77262 states to 77262 states and 97391 transitions. [2018-07-22 15:19:05,213 INFO L78 Accepts]: Start accepts. Automaton has 77262 states and 97391 transitions. Word has length 294 [2018-07-22 15:19:05,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 15:19:05,213 INFO L471 AbstractCegarLoop]: Abstraction has 77262 states and 97391 transitions. [2018-07-22 15:19:05,213 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 15:19:05,214 INFO L276 IsEmpty]: Start isEmpty. Operand 77262 states and 97391 transitions. [2018-07-22 15:19:05,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2018-07-22 15:19:05,244 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 15:19:05,245 INFO L358 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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] [2018-07-22 15:19:05,245 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 15:19:05,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1838479028, now seen corresponding path program 1 times [2018-07-22 15:19:05,245 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 15:19:05,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 15:19:05,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:19:05,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:19:05,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:19:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:19:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1042 backedges. 822 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-07-22 15:19:06,458 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 15:19:06,458 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 15:19:06,459 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 15:19:06,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 15:19:06,460 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 15:19:06,460 INFO L87 Difference]: Start difference. First operand 77262 states and 97391 transitions. Second operand 4 states. [2018-07-22 15:19:19,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 15:19:19,362 INFO L93 Difference]: Finished difference Result 173643 states and 219247 transitions. [2018-07-22 15:19:19,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 15:19:19,395 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 768 [2018-07-22 15:19:19,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 15:19:19,501 INFO L225 Difference]: With dead ends: 173643 [2018-07-22 15:19:19,501 INFO L226 Difference]: Without dead ends: 96383 [2018-07-22 15:19:19,553 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 15:19:19,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96383 states. [2018-07-22 15:19:20,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96383 to 96373. [2018-07-22 15:19:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96373 states. [2018-07-22 15:19:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96373 states to 96373 states and 112229 transitions. [2018-07-22 15:19:20,714 INFO L78 Accepts]: Start accepts. Automaton has 96373 states and 112229 transitions. Word has length 768 [2018-07-22 15:19:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 15:19:20,715 INFO L471 AbstractCegarLoop]: Abstraction has 96373 states and 112229 transitions. [2018-07-22 15:19:20,715 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 15:19:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 96373 states and 112229 transitions. [2018-07-22 15:19:20,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2018-07-22 15:19:20,750 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 15:19:20,751 INFO L358 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 15:19:20,751 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 15:19:20,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1650178156, now seen corresponding path program 1 times [2018-07-22 15:19:20,751 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 15:19:20,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 15:19:20,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:19:20,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:19:20,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:19:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:19:21,582 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-07-22 15:19:21,871 WARN L169 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-07-22 15:19:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 313 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-07-22 15:19:23,000 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 15:19:23,000 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-22 15:19:23,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:19:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:19:23,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 15:19:24,226 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-07-22 15:19:24,248 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 15:19:24,248 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-07-22 15:19:24,250 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 15:19:24,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 15:19:24,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-22 15:19:24,251 INFO L87 Difference]: Start difference. First operand 96373 states and 112229 transitions. Second operand 5 states. [2018-07-22 15:19:40,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 15:19:40,072 INFO L93 Difference]: Finished difference Result 214603 states and 248277 transitions. [2018-07-22 15:19:40,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-22 15:19:40,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 909 [2018-07-22 15:19:40,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 15:19:40,744 INFO L225 Difference]: With dead ends: 214603 [2018-07-22 15:19:40,744 INFO L226 Difference]: Without dead ends: 111393 [2018-07-22 15:19:40,796 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 918 GetRequests, 909 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-07-22 15:19:40,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111393 states. [2018-07-22 15:19:42,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111393 to 110025. [2018-07-22 15:19:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110025 states. [2018-07-22 15:19:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110025 states to 110025 states and 120187 transitions. [2018-07-22 15:19:43,031 INFO L78 Accepts]: Start accepts. Automaton has 110025 states and 120187 transitions. Word has length 909 [2018-07-22 15:19:43,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 15:19:43,032 INFO L471 AbstractCegarLoop]: Abstraction has 110025 states and 120187 transitions. [2018-07-22 15:19:43,032 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-22 15:19:43,032 INFO L276 IsEmpty]: Start isEmpty. Operand 110025 states and 120187 transitions. [2018-07-22 15:19:43,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 978 [2018-07-22 15:19:43,053 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 15:19:43,054 INFO L358 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 15:19:43,054 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 15:19:43,055 INFO L82 PathProgramCache]: Analyzing trace with hash 202496572, now seen corresponding path program 1 times [2018-07-22 15:19:43,055 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 15:19:43,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 15:19:43,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:19:43,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:19:43,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:19:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:19:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2018-07-22 15:19:44,708 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 15:19:44,708 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 15:19:44,709 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 15:19:44,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 15:19:44,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 15:19:44,710 INFO L87 Difference]: Start difference. First operand 110025 states and 120187 transitions. Second operand 3 states. [2018-07-22 15:19:53,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 15:19:53,186 INFO L93 Difference]: Finished difference Result 270592 states and 296739 transitions. [2018-07-22 15:19:53,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 15:19:53,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 977 [2018-07-22 15:19:53,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 15:19:53,334 INFO L225 Difference]: With dead ends: 270592 [2018-07-22 15:19:53,334 INFO L226 Difference]: Without dead ends: 160569 [2018-07-22 15:19:53,384 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 15:19:53,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160569 states. [2018-07-22 15:19:59,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160569 to 130515. [2018-07-22 15:19:59,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130515 states. [2018-07-22 15:19:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130515 states to 130515 states and 141355 transitions. [2018-07-22 15:19:59,949 INFO L78 Accepts]: Start accepts. Automaton has 130515 states and 141355 transitions. Word has length 977 [2018-07-22 15:19:59,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 15:19:59,950 INFO L471 AbstractCegarLoop]: Abstraction has 130515 states and 141355 transitions. [2018-07-22 15:19:59,950 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 15:19:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 130515 states and 141355 transitions. [2018-07-22 15:19:59,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2018-07-22 15:19:59,988 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 15:19:59,989 INFO L358 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 15:19:59,989 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 15:19:59,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1299741748, now seen corresponding path program 1 times [2018-07-22 15:19:59,991 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 15:19:59,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 15:19:59,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:19:59,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:19:59,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:20:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:20:02,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 762 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2018-07-22 15:20:02,155 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 15:20:02,155 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 15:20:02,156 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 15:20:02,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 15:20:02,156 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 15:20:02,157 INFO L87 Difference]: Start difference. First operand 130515 states and 141355 transitions. Second operand 3 states. [2018-07-22 15:20:09,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 15:20:09,940 INFO L93 Difference]: Finished difference Result 259663 states and 281263 transitions. [2018-07-22 15:20:09,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 15:20:09,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1106 [2018-07-22 15:20:09,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 15:20:10,066 INFO L225 Difference]: With dead ends: 259663 [2018-07-22 15:20:10,066 INFO L226 Difference]: Without dead ends: 129150 [2018-07-22 15:20:10,114 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 15:20:10,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129150 states. [2018-07-22 15:20:11,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129150 to 120948. [2018-07-22 15:20:11,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120948 states. [2018-07-22 15:20:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120948 states to 120948 states and 128775 transitions. [2018-07-22 15:20:11,921 INFO L78 Accepts]: Start accepts. Automaton has 120948 states and 128775 transitions. Word has length 1106 [2018-07-22 15:20:11,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 15:20:11,922 INFO L471 AbstractCegarLoop]: Abstraction has 120948 states and 128775 transitions. [2018-07-22 15:20:11,923 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 15:20:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 120948 states and 128775 transitions. [2018-07-22 15:20:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1270 [2018-07-22 15:20:11,961 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 15:20:11,963 INFO L358 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, 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, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 15:20:11,963 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 15:20:11,963 INFO L82 PathProgramCache]: Analyzing trace with hash -126423975, now seen corresponding path program 1 times [2018-07-22 15:20:11,963 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 15:20:11,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 15:20:11,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:20:11,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:20:11,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 15:20:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:20:13,576 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-07-22 15:20:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 182 proven. 721 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2018-07-22 15:20:17,351 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 15:20:17,351 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-22 15:20:17,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 15:20:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 15:20:17,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 15:20:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 783 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-07-22 15:20:21,646 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 15:20:21,663 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2018-07-22 15:20:21,666 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-22 15:20:21,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-22 15:20:21,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-07-22 15:20:21,666 INFO L87 Difference]: Start difference. First operand 120948 states and 128775 transitions. Second operand 9 states. Received shutdown request... [2018-07-22 15:20:32,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-22 15:20:32,833 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-22 15:20:32,838 WARN L202 ceAbstractionStarter]: Timeout [2018-07-22 15:20:32,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 03:20:32 BoogieIcfgContainer [2018-07-22 15:20:32,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-22 15:20:32,839 INFO L168 Benchmark]: Toolchain (without parser) took 213324.73 ms. Allocated memory was 309.3 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 229.0 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 891.6 MB. Max. memory is 5.3 GB. [2018-07-22 15:20:32,839 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-22 15:20:32,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4678.00 ms. Allocated memory was 309.3 MB in the beginning and 404.8 MB in the end (delta: 95.4 MB). Free memory was 228.0 MB in the beginning and 144.0 MB in the end (delta: 84.0 MB). Peak memory consumption was 222.6 MB. Max. memory is 5.3 GB. [2018-07-22 15:20:32,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 1994.71 ms. Allocated memory was 404.8 MB in the beginning and 705.2 MB in the end (delta: 300.4 MB). Free memory was 144.0 MB in the beginning and 429.6 MB in the end (delta: -285.6 MB). Peak memory consumption was 124.7 MB. Max. memory is 5.3 GB. [2018-07-22 15:20:32,842 INFO L168 Benchmark]: Boogie Preprocessor took 931.12 ms. Allocated memory was 705.2 MB in the beginning and 892.3 MB in the end (delta: 187.2 MB). Free memory was 429.6 MB in the beginning and 604.0 MB in the end (delta: -174.4 MB). Peak memory consumption was 177.3 MB. Max. memory is 5.3 GB. [2018-07-22 15:20:32,843 INFO L168 Benchmark]: RCFGBuilder took 20000.47 ms. Allocated memory was 892.3 MB in the beginning and 1.2 GB in the end (delta: 317.2 MB). Free memory was 604.0 MB in the beginning and 843.8 MB in the end (delta: -239.8 MB). Peak memory consumption was 452.2 MB. Max. memory is 5.3 GB. [2018-07-22 15:20:32,843 INFO L168 Benchmark]: TraceAbstraction took 185710.39 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 843.8 MB in the beginning and 1.5 GB in the end (delta: -626.9 MB). Peak memory consumption was 606.2 MB. Max. memory is 5.3 GB. [2018-07-22 15:20:32,849 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 4678.00 ms. Allocated memory was 309.3 MB in the beginning and 404.8 MB in the end (delta: 95.4 MB). Free memory was 228.0 MB in the beginning and 144.0 MB in the end (delta: 84.0 MB). Peak memory consumption was 222.6 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 1994.71 ms. Allocated memory was 404.8 MB in the beginning and 705.2 MB in the end (delta: 300.4 MB). Free memory was 144.0 MB in the beginning and 429.6 MB in the end (delta: -285.6 MB). Peak memory consumption was 124.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 931.12 ms. Allocated memory was 705.2 MB in the beginning and 892.3 MB in the end (delta: 187.2 MB). Free memory was 429.6 MB in the beginning and 604.0 MB in the end (delta: -174.4 MB). Peak memory consumption was 177.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 20000.47 ms. Allocated memory was 892.3 MB in the beginning and 1.2 GB in the end (delta: 317.2 MB). Free memory was 604.0 MB in the beginning and 843.8 MB in the end (delta: -239.8 MB). Peak memory consumption was 452.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 185710.39 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 843.8 MB in the beginning and 1.5 GB in the end (delta: -626.9 MB). Peak memory consumption was 606.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 187]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 187). Cancelled while BasicCegarLoop was constructing difference of abstraction (120948states) and interpolant automaton (currently 12 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (59891 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 185.6s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 149.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13492 SDtfs, 47548 SDslu, 3638 SDs, 0 SdLazy, 90242 SolverSat, 18589 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 123.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2243 GetRequests, 2189 SyntacticMatches, 16 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130515occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 14.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 49637 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 8014 NumberOfCodeBlocks, 8014 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 8002 ConstructedInterpolants, 0 QuantifiedInterpolants, 19706499 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2412 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 5500/6225 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label03_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-22_15-20-32-871.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label03_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-22_15-20-32-871.csv Completed graceful shutdown