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/loop-invgen/large_const_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 22:37:50,531 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 22:37:50,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 22:37:50,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 22:37:50,548 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 22:37:50,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 22:37:50,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 22:37:50,555 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 22:37:50,558 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 22:37:50,559 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 22:37:50,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 22:37:50,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 22:37:50,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 22:37:50,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 22:37:50,573 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 22:37:50,574 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 22:37:50,575 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 22:37:50,576 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 22:37:50,578 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 22:37:50,582 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 22:37:50,584 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 22:37:50,585 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 22:37:50,591 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 22:37:50,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 22:37:50,592 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 22:37:50,592 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 22:37:50,593 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 22:37:50,598 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 22:37:50,598 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 22:37:50,599 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 22:37:50,599 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 22:37:50,600 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-21 22:37:50,602 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-21 22:37:50,616 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 22:37:50,616 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 22:37:50,617 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 22:37:50,617 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-21 22:37:50,618 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-21 22:37:50,618 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-21 22:37:50,618 INFO L133 SettingsManager]: * Use SBE=true [2018-07-21 22:37:50,619 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 22:37:50,619 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 22:37:50,619 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 22:37:50,619 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 22:37:50,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 22:37:50,620 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 22:37:50,620 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 22:37:50,620 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 22:37:50,620 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 22:37:50,620 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 22:37:50,621 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 22:37:50,621 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 22:37:50,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 22:37:50,621 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 22:37:50,621 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 22:37:50,622 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 22:37:50,622 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 22:37:50,622 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-21 22:37:50,622 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 22:37:50,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 22:37:50,623 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 22:37:50,623 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 22:37:50,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 22:37:50,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 22:37:50,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 22:37:50,688 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 22:37:50,688 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 22:37:50,689 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-07-21 22:37:51,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/fae036d48/1162cb324de14b8183c0981037a2936e/FLAG79bfb28cb [2018-07-21 22:37:51,231 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 22:37:51,232 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-07-21 22:37:51,243 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/fae036d48/1162cb324de14b8183c0981037a2936e/FLAG79bfb28cb [2018-07-21 22:37:51,257 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/fae036d48/1162cb324de14b8183c0981037a2936e [2018-07-21 22:37:51,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 22:37:51,273 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 22:37:51,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 22:37:51,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 22:37:51,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 22:37:51,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a16f28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51, skipping insertion in model container [2018-07-21 22:37:51,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,434 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 22:37:51,481 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 22:37:51,494 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 22:37:51,506 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 22:37:51,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51 WrapperNode [2018-07-21 22:37:51,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 22:37:51,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 22:37:51,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 22:37:51,538 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 22:37:51,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 22:37:51,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 22:37:51,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 22:37:51,577 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 22:37:51,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (1/1) ... [2018-07-21 22:37:51,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 22:37:51,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 22:37:51,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 22:37:51,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 22:37:51,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (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 [2018-07-21 22:37:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 22:37:51,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 22:37:52,226 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 22:37:52,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:52 BoogieIcfgContainer [2018-07-21 22:37:52,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 22:37:52,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 22:37:52,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 22:37:52,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 22:37:52,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:37:51" (1/3) ... [2018-07-21 22:37:52,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a315aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:52, skipping insertion in model container [2018-07-21 22:37:52,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:51" (2/3) ... [2018-07-21 22:37:52,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a315aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:52, skipping insertion in model container [2018-07-21 22:37:52,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:52" (3/3) ... [2018-07-21 22:37:52,239 INFO L112 eAbstractionObserver]: Analyzing ICFG large_const_true-unreach-call_true-termination.i [2018-07-21 22:37:52,249 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 22:37:52,258 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 22:37:52,296 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 22:37:52,296 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 22:37:52,297 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 22:37:52,297 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 22:37:52,297 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 22:37:52,297 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 22:37:52,297 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 22:37:52,298 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 22:37:52,298 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 22:37:52,310 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-07-21 22:37:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-21 22:37:52,315 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:37:52,316 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:37:52,316 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:37:52,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1949157102, now seen corresponding path program 1 times [2018-07-21 22:37:52,321 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:37:52,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:37:52,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:52,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:37:52,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:52,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:52,448 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 22:37:52,448 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-21 22:37:52,451 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-21 22:37:52,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-21 22:37:52,468 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-21 22:37:52,470 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-07-21 22:37:52,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:37:52,485 INFO L93 Difference]: Finished difference Result 30 states and 40 transitions. [2018-07-21 22:37:52,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-21 22:37:52,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-07-21 22:37:52,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:37:52,500 INFO L225 Difference]: With dead ends: 30 [2018-07-21 22:37:52,500 INFO L226 Difference]: Without dead ends: 15 [2018-07-21 22:37:52,504 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-21 22:37:52,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-21 22:37:52,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-21 22:37:52,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-21 22:37:52,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2018-07-21 22:37:52,534 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 9 [2018-07-21 22:37:52,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:37:52,534 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2018-07-21 22:37:52,534 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-21 22:37:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-07-21 22:37:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-21 22:37:52,535 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:37:52,535 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:37:52,535 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:37:52,535 INFO L82 PathProgramCache]: Analyzing trace with hash -164640891, now seen corresponding path program 1 times [2018-07-21 22:37:52,535 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:37:52,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:37:52,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:52,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:37:52,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:52,642 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 22:37:52,642 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 22:37:52,644 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 22:37:52,644 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 22:37:52,644 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-21 22:37:52,645 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 5 states. [2018-07-21 22:37:52,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:37:52,822 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2018-07-21 22:37:52,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-21 22:37:52,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-07-21 22:37:52,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:37:52,824 INFO L225 Difference]: With dead ends: 26 [2018-07-21 22:37:52,824 INFO L226 Difference]: Without dead ends: 17 [2018-07-21 22:37:52,825 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-07-21 22:37:52,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-21 22:37:52,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-21 22:37:52,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-21 22:37:52,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2018-07-21 22:37:52,830 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 10 [2018-07-21 22:37:52,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:37:52,832 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2018-07-21 22:37:52,832 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 22:37:52,832 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-07-21 22:37:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-21 22:37:52,833 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:37:52,833 INFO L358 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:37:52,833 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:37:52,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1340741308, now seen corresponding path program 1 times [2018-07-21 22:37:52,834 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:37:52,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:37:52,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:52,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:37:52,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:52,965 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:37:52,965 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 [2018-07-21 22:37:52,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:37:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:53,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:37:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:53,348 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:37:53,348 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-07-21 22:37:53,348 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 22:37:53,349 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 22:37:53,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-21 22:37:53,349 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand 7 states. [2018-07-21 22:37:53,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:37:53,563 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2018-07-21 22:37:53,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 22:37:53,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-07-21 22:37:53,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:37:53,564 INFO L225 Difference]: With dead ends: 38 [2018-07-21 22:37:53,564 INFO L226 Difference]: Without dead ends: 36 [2018-07-21 22:37:53,565 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-07-21 22:37:53,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-07-21 22:37:53,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2018-07-21 22:37:53,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-21 22:37:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2018-07-21 22:37:53,571 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 14 [2018-07-21 22:37:53,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:37:53,572 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2018-07-21 22:37:53,572 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 22:37:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2018-07-21 22:37:53,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-21 22:37:53,573 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:37:53,573 INFO L358 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:37:53,573 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:37:53,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1643880152, now seen corresponding path program 1 times [2018-07-21 22:37:53,573 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:37:53,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:37:53,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:53,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:37:53,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:53,778 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:37:53,779 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 [2018-07-21 22:37:53,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:37:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:53,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:37:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:53,849 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:37:53,849 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-07-21 22:37:53,849 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 22:37:53,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 22:37:53,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-21 22:37:53,850 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 7 states. [2018-07-21 22:37:54,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:37:54,106 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2018-07-21 22:37:54,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 22:37:54,107 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-07-21 22:37:54,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:37:54,108 INFO L225 Difference]: With dead ends: 46 [2018-07-21 22:37:54,108 INFO L226 Difference]: Without dead ends: 44 [2018-07-21 22:37:54,109 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-07-21 22:37:54,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-21 22:37:54,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2018-07-21 22:37:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-21 22:37:54,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2018-07-21 22:37:54,118 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 15 [2018-07-21 22:37:54,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:37:54,119 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2018-07-21 22:37:54,119 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 22:37:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-07-21 22:37:54,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-21 22:37:54,120 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:37:54,120 INFO L358 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:37:54,120 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:37:54,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1841740518, now seen corresponding path program 1 times [2018-07-21 22:37:54,121 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:37:54,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:37:54,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:54,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:37:54,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:54,388 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:37:54,388 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:37:54,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:37:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:54,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:37:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:54,484 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:37:54,485 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-07-21 22:37:54,485 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 22:37:54,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 22:37:54,485 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-21 22:37:54,486 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand 7 states. [2018-07-21 22:37:54,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:37:54,607 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2018-07-21 22:37:54,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 22:37:54,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-07-21 22:37:54,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:37:54,608 INFO L225 Difference]: With dead ends: 51 [2018-07-21 22:37:54,609 INFO L226 Difference]: Without dead ends: 49 [2018-07-21 22:37:54,609 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-07-21 22:37:54,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-21 22:37:54,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 38. [2018-07-21 22:37:54,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-07-21 22:37:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2018-07-21 22:37:54,617 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 15 [2018-07-21 22:37:54,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:37:54,617 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2018-07-21 22:37:54,617 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 22:37:54,618 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2018-07-21 22:37:54,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-21 22:37:54,619 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:37:54,619 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:37:54,619 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:37:54,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1808237883, now seen corresponding path program 1 times [2018-07-21 22:37:54,619 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:37:54,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:37:54,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:54,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:37:54,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:54,690 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 22:37:54,691 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 22:37:54,691 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 22:37:54,691 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 22:37:54,691 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-21 22:37:54,692 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand 5 states. [2018-07-21 22:37:54,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:37:54,741 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2018-07-21 22:37:54,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-21 22:37:54,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-07-21 22:37:54,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:37:54,742 INFO L225 Difference]: With dead ends: 46 [2018-07-21 22:37:54,742 INFO L226 Difference]: Without dead ends: 33 [2018-07-21 22:37:54,743 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-21 22:37:54,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-21 22:37:54,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-21 22:37:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-21 22:37:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2018-07-21 22:37:54,748 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 18 [2018-07-21 22:37:54,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:37:54,748 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2018-07-21 22:37:54,748 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 22:37:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2018-07-21 22:37:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-07-21 22:37:54,749 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:37:54,750 INFO L358 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:37:54,754 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:37:54,755 INFO L82 PathProgramCache]: Analyzing trace with hash 959789569, now seen corresponding path program 1 times [2018-07-21 22:37:54,755 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:37:54,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:37:54,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:54,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:37:54,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:37:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:54,978 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:37:54,978 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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) [2018-07-21 22:37:54,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 22:37:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:37:55,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:37:55,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:37:55,133 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 22:37:55,134 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-07-21 22:37:55,134 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 22:37:55,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 22:37:55,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-21 22:37:55,134 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand 6 states. [2018-07-21 22:37:55,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:37:55,154 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2018-07-21 22:37:55,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-21 22:37:55,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-07-21 22:37:55,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:37:55,155 INFO L225 Difference]: With dead ends: 39 [2018-07-21 22:37:55,156 INFO L226 Difference]: Without dead ends: 0 [2018-07-21 22:37:55,156 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-21 22:37:55,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-21 22:37:55,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-21 22:37:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-21 22:37:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-21 22:37:55,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-07-21 22:37:55,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:37:55,157 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-21 22:37:55,157 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 22:37:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-21 22:37:55,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-21 22:37:55,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-21 22:37:55,483 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2018-07-21 22:37:55,666 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2018-07-21 22:37:55,668 INFO L421 ceAbstractionStarter]: For program point L20(lines 20 30) no Hoare annotation was computed. [2018-07-21 22:37:55,668 INFO L421 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-07-21 22:37:55,668 INFO L417 ceAbstractionStarter]: At program point L32''(lines 32 36) the Hoare annotation is: (let ((.cse0 (<= 2000 ULTIMATE.start_main_~c2~0)) (.cse1 (<= 10000 ULTIMATE.start_main_~c3~0)) (.cse4 (<= 4000 ULTIMATE.start_main_~c1~0)) (.cse2 (<= ULTIMATE.start_main_~n~0 1)) (.cse3 (<= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~j~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (and .cse0 .cse1 (<= 2000 ULTIMATE.start_main_~k~0) .cse4) .cse2 (<= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~j~0 1))) (and (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 0) .cse3))) [2018-07-21 22:37:55,668 INFO L421 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-07-21 22:37:55,668 INFO L421 ceAbstractionStarter]: For program point L26(lines 26 29) no Hoare annotation was computed. [2018-07-21 22:37:55,668 INFO L421 ceAbstractionStarter]: For program point L32(lines 32 36) no Hoare annotation was computed. [2018-07-21 22:37:55,669 INFO L421 ceAbstractionStarter]: For program point L32'''(lines 32 36) no Hoare annotation was computed. [2018-07-21 22:37:55,669 INFO L421 ceAbstractionStarter]: For program point L20''(lines 20 30) no Hoare annotation was computed. [2018-07-21 22:37:55,669 INFO L424 ceAbstractionStarter]: At program point L37(lines 10 38) the Hoare annotation is: true [2018-07-21 22:37:55,669 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-21 22:37:55,669 INFO L417 ceAbstractionStarter]: At program point L26''(lines 20 30) the Hoare annotation is: (let ((.cse0 (<= 2000 ULTIMATE.start_main_~c2~0)) (.cse1 (<= 10000 ULTIMATE.start_main_~c3~0)) (.cse2 (<= 4000 ULTIMATE.start_main_~c1~0))) (or (and (<= ULTIMATE.start_main_~i~0 0) (<= 0 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse2 (<= 0 ULTIMATE.start_main_~i~0)) (and (<= 1 ULTIMATE.start_main_~i~0) .cse0 .cse1 (<= 2000 ULTIMATE.start_main_~k~0) (<= ULTIMATE.start_main_~n~0 1) .cse2))) [2018-07-21 22:37:55,669 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-07-21 22:37:55,669 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-21 22:37:55,669 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-21 22:37:55,669 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-21 22:37:55,670 INFO L417 ceAbstractionStarter]: At program point L4''(lines 3 8) the Hoare annotation is: (and (<= 2000 ULTIMATE.start_main_~c2~0) (<= 10000 ULTIMATE.start_main_~c3~0) (<= ULTIMATE.start_main_~n~0 1) (<= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~j~0 1)) (<= 4000 ULTIMATE.start_main_~c1~0)) [2018-07-21 22:37:55,670 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-21 22:37:55,670 INFO L421 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-07-21 22:37:55,670 INFO L421 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-07-21 22:37:55,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:37:55 BoogieIcfgContainer [2018-07-21 22:37:55,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 22:37:55,684 INFO L168 Benchmark]: Toolchain (without parser) took 4416.05 ms. Allocated memory was 308.8 MB in the beginning and 490.7 MB in the end (delta: 181.9 MB). Free memory was 252.8 MB in the beginning and 416.3 MB in the end (delta: -163.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 5.3 GB. [2018-07-21 22:37:55,685 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 308.8 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 22:37:55,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.45 ms. Allocated memory is still 308.8 MB. Free memory was 251.8 MB in the beginning and 242.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. [2018-07-21 22:37:55,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.41 ms. Allocated memory is still 308.8 MB. Free memory was 242.6 MB in the beginning and 240.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-07-21 22:37:55,688 INFO L168 Benchmark]: Boogie Preprocessor took 42.63 ms. Allocated memory is still 308.8 MB. Free memory was 240.5 MB in the beginning and 239.5 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. [2018-07-21 22:37:55,688 INFO L168 Benchmark]: RCFGBuilder took 607.08 ms. Allocated memory was 308.8 MB in the beginning and 477.1 MB in the end (delta: 168.3 MB). Free memory was 239.5 MB in the beginning and 445.9 MB in the end (delta: -206.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-07-21 22:37:55,689 INFO L168 Benchmark]: TraceAbstraction took 3455.04 ms. Allocated memory was 477.1 MB in the beginning and 490.7 MB in the end (delta: 13.6 MB). Free memory was 444.6 MB in the beginning and 416.3 MB in the end (delta: 28.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 5.3 GB. [2018-07-21 22:37:55,695 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 308.8 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 260.45 ms. Allocated memory is still 308.8 MB. Free memory was 251.8 MB in the beginning and 242.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 41.41 ms. Allocated memory is still 308.8 MB. Free memory was 242.6 MB in the beginning and 240.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.63 ms. Allocated memory is still 308.8 MB. Free memory was 240.5 MB in the beginning and 239.5 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. * RCFGBuilder took 607.08 ms. Allocated memory was 308.8 MB in the beginning and 477.1 MB in the end (delta: 168.3 MB). Free memory was 239.5 MB in the beginning and 445.9 MB in the end (delta: -206.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3455.04 ms. Allocated memory was 477.1 MB in the beginning and 490.7 MB in the end (delta: 13.6 MB). Free memory was 444.6 MB in the beginning and 416.3 MB in the end (delta: 28.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (((2000 <= c2 && 10000 <= c3) && n <= 1) && n <= j + 1) && 4000 <= c1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((i <= 0 && 0 <= k) && 2000 <= c2) && 10000 <= c3) && 4000 <= c1) && 0 <= i) || (((((1 <= i && 2000 <= c2) && 10000 <= c3) && 2000 <= k) && n <= 1) && 4000 <= c1) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((2000 <= c2 && 10000 <= c3) && n <= 1) && n <= j) && 4000 <= c1) || (((((2000 <= c2 && 10000 <= c3) && 2000 <= k) && 4000 <= c1) && n <= 1) && n <= j + 1)) || ((i <= 0 && n <= 0) && n <= j) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 136 SDtfs, 167 SDslu, 202 SDs, 0 SdLazy, 179 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 66 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 34 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 13 NumberOfFragments, 108 HoareAnnotationTreeSize, 4 FomulaSimplifications, 362 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 100 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 6486 SizeOfPredicates, 13 NumberOfNonLiveVariables, 239 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 19/33 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/large_const_true-unreach-call_true-termination.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_22-37-55-713.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/large_const_true-unreach-call_true-termination.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_22-37-55-713.csv Received shutdown request...