java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/insertion_sort.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 23:34:54,338 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 23:34:54,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 23:34:54,354 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 23:34:54,354 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 23:34:54,355 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 23:34:54,357 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 23:34:54,359 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 23:34:54,360 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 23:34:54,361 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 23:34:54,362 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 23:34:54,362 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 23:34:54,363 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 23:34:54,364 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 23:34:54,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 23:34:54,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 23:34:54,367 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 23:34:54,369 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 23:34:54,371 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 23:34:54,372 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 23:34:54,373 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 23:34:54,375 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 23:34:54,377 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 23:34:54,377 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 23:34:54,378 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 23:34:54,378 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 23:34:54,379 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 23:34:54,380 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 23:34:54,381 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 23:34:54,382 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 23:34:54,382 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 23:34:54,383 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 23:34:54,383 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 23:34:54,384 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 23:34:54,385 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 23:34:54,385 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 23:34:54,386 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 23:34:54,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 23:34:54,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 23:34:54,412 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 23:34:54,413 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 23:34:54,413 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 23:34:54,413 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 23:34:54,414 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 23:34:54,414 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 23:34:54,414 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 23:34:54,414 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 23:34:54,417 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 23:34:54,418 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 23:34:54,418 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 23:34:54,418 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 23:34:54,418 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 23:34:54,418 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 23:34:54,419 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 23:34:54,419 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 23:34:54,419 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 23:34:54,419 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 23:34:54,421 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 23:34:54,421 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 23:34:54,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 23:34:54,421 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 23:34:54,421 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 23:34:54,422 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 23:34:54,422 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 23:34:54,422 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 23:34:54,422 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 23:34:54,423 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 23:34:54,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 23:34:54,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 23:34:54,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 23:34:54,514 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 23:34:54,515 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 23:34:54,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/insertion_sort.i_3.bpl [2018-09-30 23:34:54,516 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/insertion_sort.i_3.bpl' [2018-09-30 23:34:54,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 23:34:54,580 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 23:34:54,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 23:34:54,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 23:34:54,581 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 23:34:54,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (1/1) ... [2018-09-30 23:34:54,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (1/1) ... [2018-09-30 23:34:54,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 23:34:54,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 23:34:54,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 23:34:54,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 23:34:54,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (1/1) ... [2018-09-30 23:34:54,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (1/1) ... [2018-09-30 23:34:54,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (1/1) ... [2018-09-30 23:34:54,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (1/1) ... [2018-09-30 23:34:54,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (1/1) ... [2018-09-30 23:34:54,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (1/1) ... [2018-09-30 23:34:54,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (1/1) ... [2018-09-30 23:34:54,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 23:34:54,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 23:34:54,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 23:34:54,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 23:34:54,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (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 [2018-09-30 23:34:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 23:34:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 23:34:54,991 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 23:34:54,992 INFO L202 PluginConnector]: Adding new model insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:34:54 BoogieIcfgContainer [2018-09-30 23:34:54,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 23:34:54,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 23:34:54,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 23:34:54,998 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 23:34:54,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:34:54" (1/2) ... [2018-09-30 23:34:55,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f28818a and model type insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 11:34:54, skipping insertion in model container [2018-09-30 23:34:55,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:34:54" (2/2) ... [2018-09-30 23:34:55,003 INFO L112 eAbstractionObserver]: Analyzing ICFG insertion_sort.i_3.bpl [2018-09-30 23:34:55,013 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 23:34:55,021 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 23:34:55,080 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 23:34:55,081 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 23:34:55,081 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 23:34:55,082 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 23:34:55,082 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 23:34:55,082 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 23:34:55,082 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 23:34:55,082 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 23:34:55,083 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 23:34:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 23:34:55,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 23:34:55,117 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:34:55,118 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 23:34:55,119 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:34:55,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:34:55,127 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-30 23:34:55,130 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:34:55,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:34:55,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:34:55,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:34:55,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:34:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:34:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:34:55,317 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:34:55,317 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:34:55,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:34:55,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:34:55,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:34:55,335 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-09-30 23:34:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:34:55,374 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-30 23:34:55,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:34:55,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-30 23:34:55,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:34:55,387 INFO L225 Difference]: With dead ends: 11 [2018-09-30 23:34:55,388 INFO L226 Difference]: Without dead ends: 7 [2018-09-30 23:34:55,391 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:34:55,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-30 23:34:55,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-30 23:34:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 23:34:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 23:34:55,446 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-30 23:34:55,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:34:55,446 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-30 23:34:55,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:34:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 23:34:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 23:34:55,447 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:34:55,447 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-30 23:34:55,447 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:34:55,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:34:55,448 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-30 23:34:55,448 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:34:55,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:34:55,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:34:55,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:34:55,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:34:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:34:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:34:55,634 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 23:34:55,634 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 23:34:55,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:34:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:34:55,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 23:34:55,853 INFO L700 Elim1Store]: detected not equals via solver [2018-09-30 23:34:55,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 20 [2018-09-30 23:34:55,887 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-09-30 23:34:55,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-30 23:34:55,959 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:16 [2018-09-30 23:34:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:34:56,054 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 23:34:56,055 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-09-30 23:34:56,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 23:34:56,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 23:34:56,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 23:34:56,056 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-09-30 23:34:56,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:34:56,103 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-09-30 23:34:56,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 23:34:56,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-09-30 23:34:56,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:34:56,104 INFO L225 Difference]: With dead ends: 7 [2018-09-30 23:34:56,104 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 23:34:56,105 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 23:34:56,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 23:34:56,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 23:34:56,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 23:34:56,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 23:34:56,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-30 23:34:56,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:34:56,107 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 23:34:56,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 23:34:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 23:34:56,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 23:34:56,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 23:34:56,191 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 56) no Hoare annotation was computed. [2018-09-30 23:34:56,192 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 56) no Hoare annotation was computed. [2018-09-30 23:34:56,192 INFO L422 ceAbstractionStarter]: At program point L29(lines 29 43) the Hoare annotation is: (or (<= (select ULTIMATE.start_main_~v~5 0) (select ULTIMATE.start_main_~v~5 (+ 0 1))) (and (<= 1 ULTIMATE.start_main_~j~5) (<= ULTIMATE.start_main_~j~5 1))) [2018-09-30 23:34:56,192 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 56) no Hoare annotation was computed. [2018-09-30 23:34:56,192 INFO L422 ceAbstractionStarter]: At program point L53(lines 26 53) the Hoare annotation is: (or (<= (select ULTIMATE.start_main_~v~5 0) (select ULTIMATE.start_main_~v~5 (+ 0 1))) (and (<= 1 ULTIMATE.start_main_~j~5) (<= ULTIMATE.start_main_~j~5 1))) [2018-09-30 23:34:56,193 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 55) no Hoare annotation was computed. [2018-09-30 23:34:56,193 INFO L422 ceAbstractionStarter]: At program point L42(lines 42 54) the Hoare annotation is: false [2018-09-30 23:34:56,203 INFO L202 PluginConnector]: Adding new model insertion_sort.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 11:34:56 BoogieIcfgContainer [2018-09-30 23:34:56,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 23:34:56,204 INFO L168 Benchmark]: Toolchain (without parser) took 1626.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. [2018-09-30 23:34:56,206 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-09-30 23:34:56,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.34 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. [2018-09-30 23:34:56,207 INFO L168 Benchmark]: Boogie Preprocessor took 22.87 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. [2018-09-30 23:34:56,208 INFO L168 Benchmark]: RCFGBuilder took 341.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 23:34:56,209 INFO L168 Benchmark]: TraceAbstraction took 1208.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-09-30 23:34:56,214 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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. * Boogie Procedure Inliner took 46.34 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. * Boogie Preprocessor took 22.87 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. * RCFGBuilder took 341.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1208.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 55]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: main_~v~5[0] <= main_~v~5[0 + 1] || (1 <= main_~j~5 && main_~j~5 <= 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: main_~v~5[0] <= main_~v~5[0 + 1] || (1 <= main_~j~5 && main_~j~5 <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 5 NumberOfFragments, 35 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 375 SizeOfPredicates, 6 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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/insertion_sort.i_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_23-34-56-228.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/insertion_sort.i_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_23-34-56-228.csv Received shutdown request...