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/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call3_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 18:15:07,245 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 18:15:07,247 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 18:15:07,261 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 18:15:07,261 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 18:15:07,262 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 18:15:07,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 18:15:07,266 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 18:15:07,267 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 18:15:07,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 18:15:07,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 18:15:07,269 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 18:15:07,270 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 18:15:07,271 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 18:15:07,274 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 18:15:07,275 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 18:15:07,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 18:15:07,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 18:15:07,287 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 18:15:07,290 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 18:15:07,294 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 18:15:07,295 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 18:15:07,298 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 18:15:07,298 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 18:15:07,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 18:15:07,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 18:15:07,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 18:15:07,302 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 18:15:07,304 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 18:15:07,305 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 18:15:07,305 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 18:15:07,306 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 18:15:07,308 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 18:15:07,334 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 18:15:07,334 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 18:15:07,335 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 18:15:07,335 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 18:15:07,335 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 18:15:07,335 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 18:15:07,336 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 18:15:07,336 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 18:15:07,336 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 18:15:07,336 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 18:15:07,336 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 18:15:07,337 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 18:15:07,337 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 18:15:07,337 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 18:15:07,338 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 18:15:07,338 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 18:15:07,338 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 18:15:07,338 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 18:15:07,338 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 18:15:07,338 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 18:15:07,339 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 18:15:07,339 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 18:15:07,339 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 18:15:07,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:15:07,339 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 18:15:07,340 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 18:15:07,340 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 18:15:07,340 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 18:15:07,340 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 18:15:07,340 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 18:15:07,341 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 18:15:07,341 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 18:15:07,341 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 18:15:07,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 18:15:07,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 18:15:07,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 18:15:07,439 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 18:15:07,440 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 18:15:07,440 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-07-23 18:15:07,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2183ee22/0e29a52255d342ee9e6544da488bc137/FLAG01477c23c [2018-07-23 18:15:07,954 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 18:15:07,954 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-07-23 18:15:07,960 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2183ee22/0e29a52255d342ee9e6544da488bc137/FLAG01477c23c [2018-07-23 18:15:07,975 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2183ee22/0e29a52255d342ee9e6544da488bc137 [2018-07-23 18:15:07,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 18:15:07,986 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 18:15:07,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 18:15:07,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 18:15:07,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 18:15:07,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:15:07" (1/1) ... [2018-07-23 18:15:07,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52923332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:07, skipping insertion in model container [2018-07-23 18:15:07,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:15:07" (1/1) ... [2018-07-23 18:15:08,188 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 18:15:08,225 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:15:08,240 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 18:15:08,244 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:15:08,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08 WrapperNode [2018-07-23 18:15:08,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 18:15:08,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 18:15:08,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 18:15:08,258 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 18:15:08,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (1/1) ... [2018-07-23 18:15:08,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (1/1) ... [2018-07-23 18:15:08,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 18:15:08,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 18:15:08,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 18:15:08,281 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 18:15:08,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (1/1) ... [2018-07-23 18:15:08,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (1/1) ... [2018-07-23 18:15:08,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (1/1) ... [2018-07-23 18:15:08,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (1/1) ... [2018-07-23 18:15:08,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (1/1) ... [2018-07-23 18:15:08,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (1/1) ... [2018-07-23 18:15:08,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (1/1) ... [2018-07-23 18:15:08,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 18:15:08,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 18:15:08,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 18:15:08,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 18:15:08,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (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 [2018-07-23 18:15:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 18:15:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 18:15:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 18:15:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 18:15:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 18:15:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 18:15:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assert [2018-07-23 18:15:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assert [2018-07-23 18:15:08,614 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 18:15:08,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:15:08 BoogieIcfgContainer [2018-07-23 18:15:08,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 18:15:08,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 18:15:08,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 18:15:08,619 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 18:15:08,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:15:07" (1/3) ... [2018-07-23 18:15:08,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3eebeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:15:08, skipping insertion in model container [2018-07-23 18:15:08,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:08" (2/3) ... [2018-07-23 18:15:08,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3eebeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:15:08, skipping insertion in model container [2018-07-23 18:15:08,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:15:08" (3/3) ... [2018-07-23 18:15:08,622 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call3_true-termination.i [2018-07-23 18:15:08,632 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 18:15:08,640 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 18:15:08,694 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 18:15:08,695 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 18:15:08,695 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 18:15:08,695 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 18:15:08,695 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 18:15:08,696 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 18:15:08,696 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 18:15:08,696 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 18:15:08,696 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 18:15:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-07-23 18:15:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 18:15:08,719 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:15:08,720 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:15:08,721 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:15:08,726 INFO L82 PathProgramCache]: Analyzing trace with hash -10373566, now seen corresponding path program 1 times [2018-07-23 18:15:08,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:15:08,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:15:08,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:15:08,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:15:08,781 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:15:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:15:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:15:08,839 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:15:08,839 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 18:15:08,839 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:15:08,843 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-23 18:15:08,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-23 18:15:08,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-23 18:15:08,858 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-07-23 18:15:08,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:15:08,877 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-07-23 18:15:08,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-23 18:15:08,879 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-07-23 18:15:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:15:08,887 INFO L225 Difference]: With dead ends: 29 [2018-07-23 18:15:08,887 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 18:15:08,891 INFO L573 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 [2018-07-23 18:15:08,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 18:15:08,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-23 18:15:08,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-23 18:15:08,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-23 18:15:08,933 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-23 18:15:08,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:15:08,934 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-23 18:15:08,934 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-23 18:15:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-23 18:15:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-23 18:15:08,935 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:15:08,935 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:15:08,935 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:15:08,936 INFO L82 PathProgramCache]: Analyzing trace with hash -571410792, now seen corresponding path program 1 times [2018-07-23 18:15:08,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:15:08,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:15:08,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:15:08,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:15:08,938 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:15:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:15:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:15:09,232 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:15:09,232 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 18:15:09,232 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:15:09,235 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 18:15:09,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 18:15:09,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 18:15:09,236 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 5 states. [2018-07-23 18:15:09,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:15:09,349 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 18:15:09,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 18:15:09,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-07-23 18:15:09,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:15:09,352 INFO L225 Difference]: With dead ends: 19 [2018-07-23 18:15:09,352 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 18:15:09,353 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 18:15:09,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 18:15:09,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-23 18:15:09,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-23 18:15:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-23 18:15:09,358 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-07-23 18:15:09,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:15:09,358 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-23 18:15:09,358 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 18:15:09,358 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-23 18:15:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-23 18:15:09,359 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:15:09,359 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:15:09,360 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:15:09,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1625028318, now seen corresponding path program 1 times [2018-07-23 18:15:09,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:15:09,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:15:09,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:15:09,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:15:09,362 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:15:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:15:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:15:09,565 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:15:09,565 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:15:09,566 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-07-23 18:15:09,569 INFO L201 CegarAbsIntRunner]: [0], [4], [8], [12], [14], [20], [23], [25], [31], [32], [33], [35] [2018-07-23 18:15:09,613 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:15:09,614 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 18:15:09,698 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 18:15:10,148 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 18:15:10,150 INFO L272 AbstractInterpreter]: Visited 11 different actions 65 times. Merged at 3 different actions 27 times. Widened at 1 different actions 5 times. Found 1 fixpoints after 1 different actions. Largest state had 3 variables. [2018-07-23 18:15:10,194 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 18:15:10,275 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 50% of their original sizes. [2018-07-23 18:15:10,278 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 18:15:10,413 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 18:15:10,415 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 18:15:10,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-07-23 18:15:10,415 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:15:10,416 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 18:15:10,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 18:15:10,416 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 18:15:10,416 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 5 states. [2018-07-23 18:15:10,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:15:10,583 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-23 18:15:10,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 18:15:10,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-07-23 18:15:10,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:15:10,584 INFO L225 Difference]: With dead ends: 14 [2018-07-23 18:15:10,585 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 18:15:10,585 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 18:15:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 18:15:10,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 18:15:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 18:15:10,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 18:15:10,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-07-23 18:15:10,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:15:10,587 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 18:15:10,587 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 18:15:10,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 18:15:10,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 18:15:10,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 18:15:10,842 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-07-23 18:15:10,848 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-23 18:15:10,848 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-23 18:15:10,849 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-23 18:15:10,849 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-23 18:15:10,849 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-23 18:15:10,849 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-23 18:15:10,849 INFO L417 ceAbstractionStarter]: At program point L12'''(lines 12 14) the Hoare annotation is: (and (= (mod main_~x~0 2) 0) (<= 0 (* 2 main_~x~0))) [2018-07-23 18:15:10,850 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 9 16) no Hoare annotation was computed. [2018-07-23 18:15:10,850 INFO L417 ceAbstractionStarter]: At program point L12''(lines 12 14) the Hoare annotation is: (and (= (mod main_~x~0 2) 0) (<= 0 (* 2 main_~x~0))) [2018-07-23 18:15:10,850 INFO L421 ceAbstractionStarter]: For program point L12(lines 12 14) no Hoare annotation was computed. [2018-07-23 18:15:10,850 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 9 16) no Hoare annotation was computed. [2018-07-23 18:15:10,850 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 9 16) the Hoare annotation is: true [2018-07-23 18:15:10,850 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-23 18:15:10,851 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-23 18:15:10,851 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-23 18:15:10,851 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-07-23 18:15:10,851 INFO L421 ceAbstractionStarter]: For program point L4''(lines 3 8) no Hoare annotation was computed. [2018-07-23 18:15:10,851 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-07-23 18:15:10,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:15:10 BoogieIcfgContainer [2018-07-23 18:15:10,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 18:15:10,860 INFO L168 Benchmark]: Toolchain (without parser) took 2874.15 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -689.1 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. [2018-07-23 18:15:10,861 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-07-23 18:15:10,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 18:15:10,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 18:15:10,863 INFO L168 Benchmark]: Boogie Preprocessor took 21.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 18:15:10,864 INFO L168 Benchmark]: RCFGBuilder took 312.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2018-07-23 18:15:10,866 INFO L168 Benchmark]: TraceAbstraction took 2243.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 98.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 GB. [2018-07-23 18:15:10,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 269.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 22.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 312.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2243.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 98.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 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: 12]: Loop Invariant Derived loop invariant: x % 2 == 0 && 0 <= 2 * x - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 34 SDtfs, 2 SDslu, 42 SDs, 0 SdLazy, 14 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9305555555555555 AbsIntWeakeningRatio, 0.3333333333333333 AbsIntAvgWeakeningVarsNumRemoved, 0.5833333333333334 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 27 HoareAnnotationTreeSize, 9 FomulaSimplifications, 18 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 953 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call3_true-termination.i_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_18-15-10-884.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call3_true-termination.i_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_18-15-10-884.csv Received shutdown request...