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-invgen/nest-if3_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 18:16:32,412 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 18:16:32,414 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 18:16:32,431 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 18:16:32,432 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 18:16:32,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 18:16:32,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 18:16:32,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 18:16:32,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 18:16:32,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 18:16:32,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 18:16:32,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 18:16:32,450 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 18:16:32,452 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 18:16:32,453 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 18:16:32,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 18:16:32,456 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 18:16:32,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 18:16:32,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 18:16:32,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 18:16:32,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 18:16:32,469 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 18:16:32,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 18:16:32,472 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 18:16:32,472 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 18:16:32,473 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 18:16:32,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 18:16:32,475 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 18:16:32,476 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 18:16:32,478 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 18:16:32,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 18:16:32,479 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 18:16:32,483 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 18:16:32,508 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 18:16:32,508 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 18:16:32,509 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 18:16:32,509 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 18:16:32,509 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 18:16:32,509 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 18:16:32,510 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 18:16:32,510 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 18:16:32,510 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 18:16:32,510 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 18:16:32,510 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 18:16:32,511 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 18:16:32,511 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 18:16:32,511 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 18:16:32,512 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 18:16:32,512 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 18:16:32,512 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 18:16:32,512 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 18:16:32,512 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 18:16:32,513 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 18:16:32,513 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 18:16:32,513 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 18:16:32,513 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 18:16:32,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:16:32,514 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 18:16:32,514 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 18:16:32,514 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 18:16:32,514 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 18:16:32,518 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 18:16:32,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 18:16:32,518 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 18:16:32,518 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 18:16:32,518 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 18:16:32,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 18:16:32,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 18:16:32,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 18:16:32,595 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 18:16:32,595 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 18:16:32,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i [2018-07-23 18:16:32,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f58ed93/377e2fba03d24f469c42809b588ab33c/FLAG030ca2b96 [2018-07-23 18:16:33,062 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 18:16:33,063 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i [2018-07-23 18:16:33,069 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f58ed93/377e2fba03d24f469c42809b588ab33c/FLAG030ca2b96 [2018-07-23 18:16:33,083 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f58ed93/377e2fba03d24f469c42809b588ab33c [2018-07-23 18:16:33,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 18:16:33,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 18:16:33,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 18:16:33,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 18:16:33,102 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 18:16:33,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0c3e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33, skipping insertion in model container [2018-07-23 18:16:33,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,273 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 18:16:33,309 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:16:33,324 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 18:16:33,330 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:16:33,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33 WrapperNode [2018-07-23 18:16:33,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 18:16:33,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 18:16:33,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 18:16:33,344 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 18:16:33,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 18:16:33,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 18:16:33,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 18:16:33,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 18:16:33,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (1/1) ... [2018-07-23 18:16:33,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 18:16:33,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 18:16:33,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 18:16:33,387 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 18:16:33,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (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 18:16:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 18:16:33,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 18:16:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assert [2018-07-23 18:16:33,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assert [2018-07-23 18:16:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 18:16:33,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 18:16:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 18:16:33,453 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 18:16:33,911 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 18:16:33,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:16:33 BoogieIcfgContainer [2018-07-23 18:16:33,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 18:16:33,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 18:16:33,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 18:16:33,916 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 18:16:33,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:16:33" (1/3) ... [2018-07-23 18:16:33,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd8b6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:16:33, skipping insertion in model container [2018-07-23 18:16:33,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:33" (2/3) ... [2018-07-23 18:16:33,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd8b6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:16:33, skipping insertion in model container [2018-07-23 18:16:33,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:16:33" (3/3) ... [2018-07-23 18:16:33,920 INFO L112 eAbstractionObserver]: Analyzing ICFG nest-if3_true-unreach-call_true-termination.i [2018-07-23 18:16:33,930 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 18:16:33,939 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 18:16:33,989 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 18:16:33,990 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 18:16:33,990 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 18:16:33,990 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 18:16:33,990 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 18:16:33,990 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 18:16:33,990 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 18:16:33,990 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 18:16:33,991 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 18:16:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-07-23 18:16:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 18:16:34,014 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:16:34,015 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:16:34,016 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:16:34,021 INFO L82 PathProgramCache]: Analyzing trace with hash -303319981, now seen corresponding path program 1 times [2018-07-23 18:16:34,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:16:34,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:16:34,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:16:34,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:16:34,077 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:16:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:16:34,287 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 18:16:34,289 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:16:34,289 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 18:16:34,289 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:16:34,293 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 18:16:34,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 18:16:34,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 18:16:34,307 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 6 states. [2018-07-23 18:16:34,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:16:34,555 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2018-07-23 18:16:34,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 18:16:34,557 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-07-23 18:16:34,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:16:34,565 INFO L225 Difference]: With dead ends: 50 [2018-07-23 18:16:34,566 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 18:16:34,570 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-07-23 18:16:34,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 18:16:34,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 18:16:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 18:16:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 18:16:34,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-07-23 18:16:34,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:16:34,597 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 18:16:34,598 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 18:16:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 18:16:34,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 18:16:34,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 18:16:34,866 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-23 18:16:34,869 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-23 18:16:34,869 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-07-23 18:16:34,869 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-23 18:16:34,869 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-23 18:16:34,870 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-23 18:16:34,870 INFO L421 ceAbstractionStarter]: For program point L4''(lines 3 8) no Hoare annotation was computed. [2018-07-23 18:16:34,870 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-07-23 18:16:34,870 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-23 18:16:34,870 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-23 18:16:34,871 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-23 18:16:34,871 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-23 18:16:34,871 INFO L421 ceAbstractionStarter]: For program point L18'''(lines 18 20) no Hoare annotation was computed. [2018-07-23 18:16:34,871 INFO L421 ceAbstractionStarter]: For program point L21(lines 21 22) no Hoare annotation was computed. [2018-07-23 18:16:34,871 INFO L421 ceAbstractionStarter]: For program point L19'(lines 18 20) no Hoare annotation was computed. [2018-07-23 18:16:34,872 INFO L421 ceAbstractionStarter]: For program point L17''(lines 17 23) no Hoare annotation was computed. [2018-07-23 18:16:34,872 INFO L417 ceAbstractionStarter]: At program point L18''(lines 18 20) the Hoare annotation is: (and (<= 1 main_~l~0) (<= 1 main_~i~0)) [2018-07-23 18:16:34,872 INFO L421 ceAbstractionStarter]: For program point L17''''(lines 10 24) no Hoare annotation was computed. [2018-07-23 18:16:34,873 INFO L417 ceAbstractionStarter]: At program point L17'''(lines 17 23) the Hoare annotation is: (<= 1 main_~l~0) [2018-07-23 18:16:34,873 INFO L421 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-07-23 18:16:34,873 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 10 24) no Hoare annotation was computed. [2018-07-23 18:16:34,874 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 10 24) the Hoare annotation is: true [2018-07-23 18:16:34,874 INFO L421 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-07-23 18:16:34,874 INFO L421 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-07-23 18:16:34,875 INFO L421 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-07-23 18:16:34,875 INFO L421 ceAbstractionStarter]: For program point L17(lines 17 23) no Hoare annotation was computed. [2018-07-23 18:16:34,875 INFO L417 ceAbstractionStarter]: At program point L19(line 19) the Hoare annotation is: (and (<= 1 main_~l~0) (<= 1 main_~i~0)) [2018-07-23 18:16:34,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:16:34 BoogieIcfgContainer [2018-07-23 18:16:34,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 18:16:34,896 INFO L168 Benchmark]: Toolchain (without parser) took 1799.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -772.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 18:16:34,899 INFO L168 Benchmark]: CDTParser took 0.24 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 18:16:34,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.63 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 18:16:34,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.68 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 18:16:34,904 INFO L168 Benchmark]: Boogie Preprocessor took 21.34 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 18:16:34,905 INFO L168 Benchmark]: RCFGBuilder took 524.87 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2018-07-23 18:16:34,906 INFO L168 Benchmark]: TraceAbstraction took 979.90 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2018-07-23 18:16:34,911 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 247.63 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 21.68 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 21.34 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 524.87 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 979.90 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 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: 18]: Loop Invariant Derived loop invariant: 1 <= l && 1 <= i - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 <= l - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 23 SDslu, 78 SDs, 0 SdLazy, 38 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 22 HoareAnnotationTreeSize, 9 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/nest-if3_true-unreach-call_true-termination.i_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_18-16-34-925.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nest-if3_true-unreach-call_true-termination.i_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_18-16-34-925.csv Received shutdown request...