java -Xmx8000000000 -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 csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label47_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 03:22:01,440 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 03:22:01,442 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 03:22:01,454 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 03:22:01,455 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 03:22:01,456 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 03:22:01,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 03:22:01,459 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 03:22:01,461 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 03:22:01,461 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 03:22:01,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 03:22:01,463 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 03:22:01,464 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 03:22:01,464 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 03:22:01,466 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 03:22:01,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 03:22:01,467 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 03:22:01,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 03:22:01,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 03:22:01,480 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 03:22:01,481 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 03:22:01,485 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 03:22:01,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 03:22:01,488 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 03:22:01,488 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 03:22:01,489 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 03:22:01,490 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 03:22:01,491 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 03:22:01,492 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 03:22:01,493 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 03:22:01,493 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 03:22:01,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 03:22:01,494 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 03:22:01,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 03:22:01,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 03:22:01,496 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 03:22:01,496 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-24 03:22:01,511 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 03:22:01,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 03:22:01,512 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 03:22:01,512 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-24 03:22:01,513 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-24 03:22:01,513 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-24 03:22:01,513 INFO L133 SettingsManager]: * Use SBE=true [2018-07-24 03:22:01,514 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 03:22:01,514 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 03:22:01,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 03:22:01,514 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 03:22:01,514 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 03:22:01,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 03:22:01,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 03:22:01,515 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 03:22:01,515 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 03:22:01,515 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 03:22:01,516 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 03:22:01,516 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 03:22:01,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 03:22:01,516 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 03:22:01,516 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 03:22:01,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 03:22:01,517 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-24 03:22:01,517 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 03:22:01,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 03:22:01,517 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 03:22:01,518 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 03:22:01,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 03:22:01,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 03:22:01,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 03:22:01,582 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 03:22:01,583 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 03:22:01,583 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label47_true-unreach-call.c [2018-07-24 03:22:01,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1483b0861/299e47f04a374fa1a9e343c3a3a0692c/FLAG9653dce08 [2018-07-24 03:22:02,331 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 03:22:02,333 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label47_true-unreach-call.c [2018-07-24 03:22:02,365 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1483b0861/299e47f04a374fa1a9e343c3a3a0692c/FLAG9653dce08 [2018-07-24 03:22:02,387 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1483b0861/299e47f04a374fa1a9e343c3a3a0692c [2018-07-24 03:22:02,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 03:22:02,402 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 03:22:02,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 03:22:02,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 03:22:02,413 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 03:22:02,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:22:02" (1/1) ... [2018-07-24 03:22:02,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c71e361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:02, skipping insertion in model container [2018-07-24 03:22:02,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:22:02" (1/1) ... [2018-07-24 03:22:02,725 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 03:22:03,501 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 03:22:03,520 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 03:22:03,927 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 03:22:04,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04 WrapperNode [2018-07-24 03:22:04,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 03:22:04,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 03:22:04,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 03:22:04,119 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 03:22:04,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (1/1) ... [2018-07-24 03:22:04,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (1/1) ... [2018-07-24 03:22:04,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 03:22:04,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 03:22:04,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 03:22:04,476 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 03:22:05,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (1/1) ... [2018-07-24 03:22:05,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (1/1) ... [2018-07-24 03:22:05,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (1/1) ... [2018-07-24 03:22:05,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (1/1) ... [2018-07-24 03:22:05,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (1/1) ... [2018-07-24 03:22:05,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (1/1) ... [2018-07-24 03:22:05,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (1/1) ... [2018-07-24 03:22:05,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 03:22:05,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 03:22:05,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 03:22:05,401 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 03:22:05,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 03:22:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-24 03:22:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 03:22:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 03:22:15,507 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 03:22:15,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:22:15 BoogieIcfgContainer [2018-07-24 03:22:15,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 03:22:15,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 03:22:15,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 03:22:15,513 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 03:22:15,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:22:02" (1/3) ... [2018-07-24 03:22:15,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a032e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:22:15, skipping insertion in model container [2018-07-24 03:22:15,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:22:04" (2/3) ... [2018-07-24 03:22:15,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a032e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:22:15, skipping insertion in model container [2018-07-24 03:22:15,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:22:15" (3/3) ... [2018-07-24 03:22:15,518 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label47_true-unreach-call.c [2018-07-24 03:22:15,529 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 03:22:15,538 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 03:22:15,605 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 03:22:15,608 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 03:22:15,609 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 03:22:15,609 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 03:22:15,609 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 03:22:15,609 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 03:22:15,610 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 03:22:15,610 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 03:22:15,610 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 03:22:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2018-07-24 03:22:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-07-24 03:22:15,667 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:22:15,669 INFO L353 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] [2018-07-24 03:22:15,669 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:22:15,674 INFO L82 PathProgramCache]: Analyzing trace with hash 147574146, now seen corresponding path program 1 times [2018-07-24 03:22:15,676 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:22:15,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:22:15,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:22:15,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:22:15,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:22:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:22:16,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:22:16,152 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:22:16,152 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 03:22:16,157 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:22:16,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:22:16,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:22:16,174 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 4 states. [2018-07-24 03:22:25,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:22:25,935 INFO L93 Difference]: Finished difference Result 2124 states and 3951 transitions. [2018-07-24 03:22:25,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:22:25,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-07-24 03:22:25,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:22:25,971 INFO L225 Difference]: With dead ends: 2124 [2018-07-24 03:22:25,972 INFO L226 Difference]: Without dead ends: 1526 [2018-07-24 03:22:25,979 INFO L573 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 [2018-07-24 03:22:25,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2018-07-24 03:22:26,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1032. [2018-07-24 03:22:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-07-24 03:22:26,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1858 transitions. [2018-07-24 03:22:26,089 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1858 transitions. Word has length 45 [2018-07-24 03:22:26,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:22:26,090 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1858 transitions. [2018-07-24 03:22:26,090 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:22:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1858 transitions. [2018-07-24 03:22:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-24 03:22:26,095 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:22:26,096 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:22:26,096 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:22:26,096 INFO L82 PathProgramCache]: Analyzing trace with hash -445685495, now seen corresponding path program 1 times [2018-07-24 03:22:26,096 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:22:26,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:22:26,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:22:26,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:22:26,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:22:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:22:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:22:26,388 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:22:26,388 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 03:22:26,391 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:22:26,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:22:26,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:22:26,392 INFO L87 Difference]: Start difference. First operand 1032 states and 1858 transitions. Second operand 4 states. [2018-07-24 03:22:37,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:22:37,568 INFO L93 Difference]: Finished difference Result 3816 states and 7036 transitions. [2018-07-24 03:22:37,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:22:37,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-07-24 03:22:37,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:22:37,585 INFO L225 Difference]: With dead ends: 3816 [2018-07-24 03:22:37,585 INFO L226 Difference]: Without dead ends: 2786 [2018-07-24 03:22:37,588 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:22:37,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2018-07-24 03:22:37,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2781. [2018-07-24 03:22:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2781 states. [2018-07-24 03:22:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 4346 transitions. [2018-07-24 03:22:37,655 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 4346 transitions. Word has length 113 [2018-07-24 03:22:37,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:22:37,656 INFO L471 AbstractCegarLoop]: Abstraction has 2781 states and 4346 transitions. [2018-07-24 03:22:37,656 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:22:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 4346 transitions. [2018-07-24 03:22:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-24 03:22:37,661 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:22:37,662 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:22:37,662 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:22:37,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1602757590, now seen corresponding path program 1 times [2018-07-24 03:22:37,662 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:22:37,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:22:37,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:22:37,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:22:37,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:22:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:22:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:22:37,985 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:22:37,986 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:22:38,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:22:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:22:38,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:22:45,219 WARN L169 SmtUtils]: Spent 6.97 s on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2018-07-24 03:22:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:22:45,513 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-24 03:22:45,513 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2018-07-24 03:22:45,514 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-24 03:22:45,514 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-24 03:22:45,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-07-24 03:22:45,515 INFO L87 Difference]: Start difference. First operand 2781 states and 4346 transitions. Second operand 8 states. [2018-07-24 03:22:45,714 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-24 03:24:00,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:24:00,737 INFO L93 Difference]: Finished difference Result 17539 states and 30238 transitions. [2018-07-24 03:24:00,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-24 03:24:00,738 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2018-07-24 03:24:00,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:24:00,783 INFO L225 Difference]: With dead ends: 17539 [2018-07-24 03:24:00,783 INFO L226 Difference]: Without dead ends: 9134 [2018-07-24 03:24:00,794 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2018-07-24 03:24:00,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9134 states. [2018-07-24 03:24:01,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9134 to 9127. [2018-07-24 03:24:01,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9127 states. [2018-07-24 03:24:01,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9127 states to 9127 states and 11941 transitions. [2018-07-24 03:24:01,067 INFO L78 Accepts]: Start accepts. Automaton has 9127 states and 11941 transitions. Word has length 116 [2018-07-24 03:24:01,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:24:01,068 INFO L471 AbstractCegarLoop]: Abstraction has 9127 states and 11941 transitions. [2018-07-24 03:24:01,068 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-24 03:24:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 9127 states and 11941 transitions. [2018-07-24 03:24:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-07-24 03:24:01,074 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:24:01,075 INFO L353 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:24:01,075 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:24:01,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1967348037, now seen corresponding path program 1 times [2018-07-24 03:24:01,076 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:24:01,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:24:01,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:24:01,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:24:01,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:24:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:24:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-24 03:24:01,640 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:24:01,640 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 03:24:01,641 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 03:24:01,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 03:24:01,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-24 03:24:01,642 INFO L87 Difference]: Start difference. First operand 9127 states and 11941 transitions. Second operand 5 states. [2018-07-24 03:24:01,883 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-24 03:24:10,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:24:10,357 INFO L93 Difference]: Finished difference Result 27747 states and 36224 transitions. [2018-07-24 03:24:10,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-24 03:24:10,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 266 [2018-07-24 03:24:10,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:24:10,435 INFO L225 Difference]: With dead ends: 27747 [2018-07-24 03:24:10,435 INFO L226 Difference]: Without dead ends: 19057 [2018-07-24 03:24:10,450 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-07-24 03:24:10,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19057 states. [2018-07-24 03:24:10,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19057 to 17112. [2018-07-24 03:24:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17112 states. [2018-07-24 03:24:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 21305 transitions. [2018-07-24 03:24:10,764 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 21305 transitions. Word has length 266 [2018-07-24 03:24:10,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:24:10,765 INFO L471 AbstractCegarLoop]: Abstraction has 17112 states and 21305 transitions. [2018-07-24 03:24:10,765 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 03:24:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 21305 transitions. [2018-07-24 03:24:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-07-24 03:24:10,773 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:24:10,773 INFO L353 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, 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, 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] [2018-07-24 03:24:10,773 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:24:10,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1375808652, now seen corresponding path program 1 times [2018-07-24 03:24:10,774 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:24:10,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:24:10,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:24:10,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:24:10,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:24:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:24:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 369 proven. 83 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-07-24 03:24:11,638 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:24:11,639 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:24:11,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:24:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:24:11,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:24:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 369 proven. 83 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-07-24 03:24:12,132 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-24 03:24:12,132 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-07-24 03:24:12,134 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 03:24:12,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 03:24:12,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-07-24 03:24:12,134 INFO L87 Difference]: Start difference. First operand 17112 states and 21305 transitions. Second operand 7 states. [2018-07-24 03:24:34,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:24:34,129 INFO L93 Difference]: Finished difference Result 57657 states and 71650 transitions. [2018-07-24 03:24:34,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 03:24:34,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 371 [2018-07-24 03:24:34,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:24:34,204 INFO L225 Difference]: With dead ends: 57657 [2018-07-24 03:24:34,204 INFO L226 Difference]: Without dead ends: 40545 [2018-07-24 03:24:34,223 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-07-24 03:24:34,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40545 states. [2018-07-24 03:24:34,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40545 to 39746. [2018-07-24 03:24:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39746 states. [2018-07-24 03:24:34,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39746 states to 39746 states and 46153 transitions. [2018-07-24 03:24:34,758 INFO L78 Accepts]: Start accepts. Automaton has 39746 states and 46153 transitions. Word has length 371 [2018-07-24 03:24:34,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:24:34,759 INFO L471 AbstractCegarLoop]: Abstraction has 39746 states and 46153 transitions. [2018-07-24 03:24:34,759 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 03:24:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 39746 states and 46153 transitions. [2018-07-24 03:24:34,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2018-07-24 03:24:34,775 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:24:34,776 INFO L353 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, 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, 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] [2018-07-24 03:24:34,776 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:24:34,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1047620218, now seen corresponding path program 1 times [2018-07-24 03:24:34,777 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:24:34,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:24:34,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:24:34,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:24:34,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:24:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:24:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2018-07-24 03:24:35,345 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:24:35,345 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:24:35,345 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:24:35,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:24:35,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:24:35,346 INFO L87 Difference]: Start difference. First operand 39746 states and 46153 transitions. Second operand 4 states. [2018-07-24 03:24:42,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:24:42,440 INFO L93 Difference]: Finished difference Result 95973 states and 111913 transitions. [2018-07-24 03:24:42,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:24:42,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 477 [2018-07-24 03:24:42,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:24:42,512 INFO L225 Difference]: With dead ends: 95973 [2018-07-24 03:24:42,513 INFO L226 Difference]: Without dead ends: 56654 [2018-07-24 03:24:42,551 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:24:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56654 states. [2018-07-24 03:24:43,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56654 to 48358. [2018-07-24 03:24:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48358 states. [2018-07-24 03:24:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48358 states to 48358 states and 55352 transitions. [2018-07-24 03:24:43,100 INFO L78 Accepts]: Start accepts. Automaton has 48358 states and 55352 transitions. Word has length 477 [2018-07-24 03:24:43,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:24:43,100 INFO L471 AbstractCegarLoop]: Abstraction has 48358 states and 55352 transitions. [2018-07-24 03:24:43,100 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:24:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand 48358 states and 55352 transitions. [2018-07-24 03:24:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2018-07-24 03:24:43,119 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:24:43,120 INFO L353 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, 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, 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] [2018-07-24 03:24:43,120 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:24:43,120 INFO L82 PathProgramCache]: Analyzing trace with hash 435632359, now seen corresponding path program 1 times [2018-07-24 03:24:43,120 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:24:43,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:24:43,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:24:43,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:24:43,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:24:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:24:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-07-24 03:24:43,620 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:24:43,620 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:24:43,621 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:24:43,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:24:43,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:24:43,621 INFO L87 Difference]: Start difference. First operand 48358 states and 55352 transitions. Second operand 4 states. [2018-07-24 03:24:51,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:24:51,687 INFO L93 Difference]: Finished difference Result 116391 states and 132914 transitions. [2018-07-24 03:24:51,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:24:51,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 491 [2018-07-24 03:24:51,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:24:51,774 INFO L225 Difference]: With dead ends: 116391 [2018-07-24 03:24:51,775 INFO L226 Difference]: Without dead ends: 68461 [2018-07-24 03:24:51,815 INFO L573 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 [2018-07-24 03:24:51,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68461 states. [2018-07-24 03:24:52,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68461 to 51209. [2018-07-24 03:24:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51209 states. [2018-07-24 03:24:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51209 states to 51209 states and 57558 transitions. [2018-07-24 03:24:52,538 INFO L78 Accepts]: Start accepts. Automaton has 51209 states and 57558 transitions. Word has length 491 [2018-07-24 03:24:52,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:24:52,539 INFO L471 AbstractCegarLoop]: Abstraction has 51209 states and 57558 transitions. [2018-07-24 03:24:52,539 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:24:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 51209 states and 57558 transitions. [2018-07-24 03:24:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2018-07-24 03:24:52,561 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:24:52,561 INFO L353 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, 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, 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] [2018-07-24 03:24:52,561 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:24:52,562 INFO L82 PathProgramCache]: Analyzing trace with hash -52562369, now seen corresponding path program 1 times [2018-07-24 03:24:52,562 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:24:52,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:24:52,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:24:52,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:24:52,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:24:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:24:53,377 WARN L169 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-07-24 03:24:53,724 WARN L169 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-07-24 03:24:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 433 proven. 83 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-07-24 03:24:54,228 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:24:54,228 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:24:54,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:24:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:24:54,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:24:54,741 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 433 proven. 83 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-07-24 03:24:54,773 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-24 03:24:54,773 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3] total 9 [2018-07-24 03:24:54,774 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-24 03:24:54,775 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-24 03:24:54,775 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-07-24 03:24:54,775 INFO L87 Difference]: Start difference. First operand 51209 states and 57558 transitions. Second operand 10 states. [2018-07-24 03:25:13,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:25:13,351 INFO L93 Difference]: Finished difference Result 102235 states and 114706 transitions. [2018-07-24 03:25:13,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 03:25:13,352 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 497 [2018-07-24 03:25:13,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:25:13,398 INFO L225 Difference]: With dead ends: 102235 [2018-07-24 03:25:13,398 INFO L226 Difference]: Without dead ends: 51454 [2018-07-24 03:25:13,420 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 495 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-07-24 03:25:13,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51454 states. [2018-07-24 03:25:13,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51454 to 49577. [2018-07-24 03:25:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49577 states. [2018-07-24 03:25:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49577 states to 49577 states and 55568 transitions. [2018-07-24 03:25:13,872 INFO L78 Accepts]: Start accepts. Automaton has 49577 states and 55568 transitions. Word has length 497 [2018-07-24 03:25:13,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:25:13,872 INFO L471 AbstractCegarLoop]: Abstraction has 49577 states and 55568 transitions. [2018-07-24 03:25:13,872 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-24 03:25:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 49577 states and 55568 transitions. [2018-07-24 03:25:13,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2018-07-24 03:25:13,885 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:25:13,886 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 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] [2018-07-24 03:25:13,886 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:25:13,887 INFO L82 PathProgramCache]: Analyzing trace with hash 817002961, now seen corresponding path program 1 times [2018-07-24 03:25:13,887 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:25:13,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:25:13,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:25:13,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:25:13,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:25:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:25:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 559 proven. 0 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-07-24 03:25:14,632 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:25:14,632 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 03:25:14,633 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 03:25:14,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 03:25:14,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-24 03:25:14,634 INFO L87 Difference]: Start difference. First operand 49577 states and 55568 transitions. Second operand 5 states. [2018-07-24 03:25:24,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:25:24,452 INFO L93 Difference]: Finished difference Result 132560 states and 149148 transitions. [2018-07-24 03:25:24,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-24 03:25:24,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 553 [2018-07-24 03:25:24,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:25:24,547 INFO L225 Difference]: With dead ends: 132560 [2018-07-24 03:25:24,547 INFO L226 Difference]: Without dead ends: 83837 [2018-07-24 03:25:24,585 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-24 03:25:24,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83837 states. [2018-07-24 03:25:25,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83837 to 76583. [2018-07-24 03:25:25,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76583 states. [2018-07-24 03:25:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76583 states to 76583 states and 85350 transitions. [2018-07-24 03:25:25,419 INFO L78 Accepts]: Start accepts. Automaton has 76583 states and 85350 transitions. Word has length 553 [2018-07-24 03:25:25,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:25:25,419 INFO L471 AbstractCegarLoop]: Abstraction has 76583 states and 85350 transitions. [2018-07-24 03:25:25,420 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 03:25:25,420 INFO L276 IsEmpty]: Start isEmpty. Operand 76583 states and 85350 transitions. [2018-07-24 03:25:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2018-07-24 03:25:25,434 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:25:25,435 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 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] [2018-07-24 03:25:25,435 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:25:25,436 INFO L82 PathProgramCache]: Analyzing trace with hash 687424373, now seen corresponding path program 1 times [2018-07-24 03:25:25,436 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:25:25,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:25:25,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:25:25,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:25:25,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:25:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:25:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 521 proven. 404 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-07-24 03:25:26,434 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:25:26,434 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:25:26,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:25:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:25:26,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:25:26,867 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 14 [2018-07-24 03:25:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-07-24 03:25:27,462 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 03:25:27,462 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-07-24 03:25:27,465 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 03:25:27,465 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 03:25:27,465 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-24 03:25:27,465 INFO L87 Difference]: Start difference. First operand 76583 states and 85350 transitions. Second operand 7 states. [2018-07-24 03:25:50,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:25:50,428 INFO L93 Difference]: Finished difference Result 191132 states and 212498 transitions. [2018-07-24 03:25:50,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 03:25:50,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 578 [2018-07-24 03:25:50,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:25:50,567 INFO L225 Difference]: With dead ends: 191132 [2018-07-24 03:25:50,567 INFO L226 Difference]: Without dead ends: 115401 [2018-07-24 03:25:50,622 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 580 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-07-24 03:25:50,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115401 states. [2018-07-24 03:25:51,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115401 to 102847. [2018-07-24 03:25:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102847 states. [2018-07-24 03:25:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102847 states to 102847 states and 112207 transitions. [2018-07-24 03:25:51,750 INFO L78 Accepts]: Start accepts. Automaton has 102847 states and 112207 transitions. Word has length 578 [2018-07-24 03:25:51,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:25:51,751 INFO L471 AbstractCegarLoop]: Abstraction has 102847 states and 112207 transitions. [2018-07-24 03:25:51,751 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 03:25:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 102847 states and 112207 transitions. [2018-07-24 03:25:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2018-07-24 03:25:51,765 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:25:51,765 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:25:51,766 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:25:51,766 INFO L82 PathProgramCache]: Analyzing trace with hash -199105205, now seen corresponding path program 1 times [2018-07-24 03:25:51,766 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:25:51,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:25:51,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:25:51,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:25:51,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:25:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:25:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 571 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2018-07-24 03:25:52,644 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:25:52,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-24 03:25:52,645 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 03:25:52,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 03:25:52,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 03:25:52,645 INFO L87 Difference]: Start difference. First operand 102847 states and 112207 transitions. Second operand 3 states. [2018-07-24 03:25:59,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:25:59,461 INFO L93 Difference]: Finished difference Result 298292 states and 325813 transitions. [2018-07-24 03:25:59,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 03:25:59,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 610 [2018-07-24 03:25:59,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:25:59,663 INFO L225 Difference]: With dead ends: 298292 [2018-07-24 03:25:59,664 INFO L226 Difference]: Without dead ends: 196299 [2018-07-24 03:25:59,738 INFO L573 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 [2018-07-24 03:25:59,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196299 states. [2018-07-24 03:26:02,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196299 to 195863. [2018-07-24 03:26:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195863 states. [2018-07-24 03:26:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195863 states to 195863 states and 213992 transitions. [2018-07-24 03:26:02,336 INFO L78 Accepts]: Start accepts. Automaton has 195863 states and 213992 transitions. Word has length 610 [2018-07-24 03:26:02,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:26:02,337 INFO L471 AbstractCegarLoop]: Abstraction has 195863 states and 213992 transitions. [2018-07-24 03:26:02,337 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 03:26:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 195863 states and 213992 transitions. [2018-07-24 03:26:02,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2018-07-24 03:26:02,351 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:26:02,352 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:26:02,352 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:26:02,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1072770807, now seen corresponding path program 1 times [2018-07-24 03:26:02,352 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:26:02,352 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:26:02,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:26:02,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:26:02,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:26:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:26:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2018-07-24 03:26:03,087 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:26:03,087 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 03:26:03,088 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 03:26:03,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 03:26:03,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-24 03:26:03,088 INFO L87 Difference]: Start difference. First operand 195863 states and 213992 transitions. Second operand 5 states. Received shutdown request... [2018-07-24 03:26:12,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-24 03:26:12,990 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 03:26:12,996 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 03:26:12,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:26:12 BoogieIcfgContainer [2018-07-24 03:26:12,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 03:26:12,997 INFO L168 Benchmark]: Toolchain (without parser) took 250596.82 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 173.8 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-07-24 03:26:12,998 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-07-24 03:26:12,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1714.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-07-24 03:26:12,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 356.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-07-24 03:26:13,000 INFO L168 Benchmark]: Boogie Preprocessor took 924.48 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 973.6 MB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 145.4 MB. Max. memory is 7.1 GB. [2018-07-24 03:26:13,001 INFO L168 Benchmark]: RCFGBuilder took 10108.01 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 506.7 MB). Peak memory consumption was 506.7 MB. Max. memory is 7.1 GB. [2018-07-24 03:26:13,002 INFO L168 Benchmark]: TraceAbstraction took 237486.70 ms. Allocated memory was 2.5 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 1.9 GB in the beginning and 1.2 GB in the end (delta: 619.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-07-24 03:26:13,007 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1714.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 356.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 924.48 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 973.6 MB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 145.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10108.01 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 506.7 MB). Peak memory consumption was 506.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237486.70 ms. Allocated memory was 2.5 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 1.9 GB in the beginning and 1.2 GB in the end (delta: 619.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 140). Cancelled while BasicCegarLoop was constructing difference of abstraction (195863states) and interpolant automaton (currently 6 states, 5 states before enhancement), while ReachableStatesComputation was computing reachable states (29693 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 591 locations, 1 error locations. TIMEOUT Result, 237.4s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 211.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3784 SDtfs, 27698 SDslu, 2899 SDs, 0 SdLazy, 55557 SolverSat, 9811 SolverUnsat, 25 SolverUnknown, 0 SolverNotchecked, 189.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1639 GetRequests, 1572 SyntacticMatches, 5 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195863occurred in iteration=11, 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: 7.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 50919 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 6289 NumberOfCodeBlocks, 6289 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 6273 ConstructedInterpolants, 210 QuantifiedInterpolants, 10393531 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2062 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 9012/9805 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/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label47_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_03-26-13-020.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label47_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_03-26-13-020.csv Completed graceful shutdown