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/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:38:30,467 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:38:30,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:38:30,482 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:38:30,482 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:38:30,483 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:38:30,485 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:38:30,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:38:30,488 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:38:30,489 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:38:30,490 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:38:30,490 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:38:30,491 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:38:30,492 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:38:30,493 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:38:30,494 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:38:30,495 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:38:30,497 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:38:30,499 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:38:30,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:38:30,502 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:38:30,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:38:30,511 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:38:30,511 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:38:30,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:38:30,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:38:30,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:38:30,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:38:30,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:38:30,522 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:38:30,522 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:38:30,523 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 18:38:30,527 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 18:38:30,547 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:38:30,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:38:30,548 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:38:30,548 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:38:30,549 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:38:30,550 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:38:30,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:38:30,551 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:38:30,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:38:30,551 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:38:30,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:38:30,551 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:38:30,552 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:38:30,553 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:38:30,553 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:38:30,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:38:30,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:38:30,643 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:38:30,645 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:38:30,646 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:38:30,647 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl [2018-10-14 18:38:30,647 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl' [2018-10-14 18:38:30,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:38:30,719 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:38:30,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:38:30,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:38:30,720 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:38:30,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:30" (1/1) ... [2018-10-14 18:38:30,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:30" (1/1) ... [2018-10-14 18:38:30,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:30" (1/1) ... [2018-10-14 18:38:30,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:30" (1/1) ... [2018-10-14 18:38:30,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:30" (1/1) ... [2018-10-14 18:38:30,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:30" (1/1) ... [2018-10-14 18:38:30,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:30" (1/1) ... [2018-10-14 18:38:30,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:38:30,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:38:30,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:38:30,784 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:38:30,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:30" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 18:38:30,865 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:38:30,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:38:30,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:38:31,482 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:38:31,483 INFO L202 PluginConnector]: Adding new model selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:38:31 BoogieIcfgContainer [2018-10-14 18:38:31,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:38:31,483 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:38:31,483 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:38:31,484 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:38:31,488 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:38:31" (1/1) ... [2018-10-14 18:38:31,496 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:38:31,496 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:38:31,538 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:38:31,588 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:38:31,604 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:38:31,676 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:38:36,068 INFO L315 AbstractInterpreter]: Visited 94 different actions 216 times. Merged at 60 different actions 118 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 0 variables. [2018-10-14 18:38:36,071 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:38:36,076 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:38:36,228 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:38:36,229 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:38:36,229 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:38:36,229 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:38:36,230 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:38:36,230 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:38:36,230 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:38:36,230 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:38:36,230 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:38:36,231 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:38:36,231 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:38:36,231 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:38:36,231 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:38:36,231 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:38:36,232 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:38:36,233 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:38:36,267 INFO L202 PluginConnector]: Adding new model selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:38:36 BasicIcfg [2018-10-14 18:38:36,268 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:38:36,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:38:36,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:38:36,274 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:38:36,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:30" (1/3) ... [2018-10-14 18:38:36,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1773ca49 and model type selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:38:36, skipping insertion in model container [2018-10-14 18:38:36,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:38:31" (2/3) ... [2018-10-14 18:38:36,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1773ca49 and model type selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:38:36, skipping insertion in model container [2018-10-14 18:38:36,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:38:36" (3/3) ... [2018-10-14 18:38:36,279 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:38:36,291 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:38:36,300 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:38:36,319 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:38:36,346 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:38:36,347 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:38:36,347 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:38:36,347 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:38:36,347 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:38:36,348 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:38:36,348 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:38:36,348 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:38:36,348 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:38:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2018-10-14 18:38:36,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-14 18:38:36,373 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:38:36,374 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:38:36,375 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:38:36,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:38:36,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1525901169, now seen corresponding path program 1 times [2018-10-14 18:38:36,451 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:38:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:38:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:38:36,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:38:36,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-14 18:38:36,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-14 18:38:36,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-14 18:38:36,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-14 18:38:36,785 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 4 states. [2018-10-14 18:38:37,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:38:37,263 INFO L93 Difference]: Finished difference Result 92 states and 93 transitions. [2018-10-14 18:38:37,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-14 18:38:37,266 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-10-14 18:38:37,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:38:37,357 INFO L225 Difference]: With dead ends: 92 [2018-10-14 18:38:37,358 INFO L226 Difference]: Without dead ends: 92 [2018-10-14 18:38:37,360 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-14 18:38:37,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-14 18:38:37,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-10-14 18:38:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-10-14 18:38:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 93 transitions. [2018-10-14 18:38:37,412 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 93 transitions. Word has length 65 [2018-10-14 18:38:37,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:38:37,413 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 93 transitions. [2018-10-14 18:38:37,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-14 18:38:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 93 transitions. [2018-10-14 18:38:37,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-14 18:38:37,418 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:38:37,418 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:38:37,419 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:38:37,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:38:37,419 INFO L82 PathProgramCache]: Analyzing trace with hash 2142644757, now seen corresponding path program 1 times [2018-10-14 18:38:37,420 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:38:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:38:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:38:38,586 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:38:38,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-10-14 18:38:38,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-14 18:38:38,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-14 18:38:38,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-10-14 18:38:38,589 INFO L87 Difference]: Start difference. First operand 92 states and 93 transitions. Second operand 16 states. [2018-10-14 18:38:38,855 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-14 18:38:39,088 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-14 18:38:40,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:38:40,114 INFO L93 Difference]: Finished difference Result 152 states and 154 transitions. [2018-10-14 18:38:40,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-14 18:38:40,116 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 88 [2018-10-14 18:38:40,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:38:40,119 INFO L225 Difference]: With dead ends: 152 [2018-10-14 18:38:40,120 INFO L226 Difference]: Without dead ends: 121 [2018-10-14 18:38:40,121 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2018-10-14 18:38:40,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-10-14 18:38:40,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2018-10-14 18:38:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-14 18:38:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 116 transitions. [2018-10-14 18:38:40,131 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 116 transitions. Word has length 88 [2018-10-14 18:38:40,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:38:40,132 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 116 transitions. [2018-10-14 18:38:40,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-14 18:38:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 116 transitions. [2018-10-14 18:38:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-14 18:38:40,135 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:38:40,135 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 18:38:40,136 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:38:40,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:38:40,136 INFO L82 PathProgramCache]: Analyzing trace with hash 692385753, now seen corresponding path program 1 times [2018-10-14 18:38:40,137 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:38:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:38:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:38:41,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:38:41,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-14 18:38:41,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-14 18:38:41,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-14 18:38:41,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-10-14 18:38:41,062 INFO L87 Difference]: Start difference. First operand 114 states and 116 transitions. Second operand 10 states. [2018-10-14 18:38:42,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:38:42,015 INFO L93 Difference]: Finished difference Result 115 states and 117 transitions. [2018-10-14 18:38:42,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-14 18:38:42,016 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-10-14 18:38:42,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:38:42,017 INFO L225 Difference]: With dead ends: 115 [2018-10-14 18:38:42,017 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:38:42,018 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2018-10-14 18:38:42,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:38:42,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:38:42,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:38:42,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:38:42,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-10-14 18:38:42,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:38:42,020 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:38:42,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-14 18:38:42,021 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:38:42,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:38:42,026 INFO L202 PluginConnector]: Adding new model selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:38:42 BasicIcfg [2018-10-14 18:38:42,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:38:42,027 INFO L168 Benchmark]: Toolchain (without parser) took 11308.63 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 1.0 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -764.7 MB). Peak memory consumption was 239.3 MB. Max. memory is 7.1 GB. [2018-10-14 18:38:42,028 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 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. [2018-10-14 18:38:42,029 INFO L168 Benchmark]: Boogie Preprocessor took 62.66 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. [2018-10-14 18:38:42,029 INFO L168 Benchmark]: RCFGBuilder took 699.65 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:38:42,030 INFO L168 Benchmark]: IcfgTransformer took 4784.62 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 253.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -23.5 MB). Peak memory consumption was 229.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:38:42,031 INFO L168 Benchmark]: TraceAbstraction took 5757.17 ms. Allocated memory was 1.8 GB in the beginning and 2.5 GB in the end (delta: 750.8 MB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -772.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:38:42,035 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 0.25 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 62.66 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 699.65 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * IcfgTransformer took 4784.62 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 253.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -23.5 MB). Peak memory consumption was 229.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5757.17 ms. Allocated memory was 1.8 GB in the beginning and 2.5 GB in the end (delta: 750.8 MB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -772.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 91 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 2403 LocStat_NO_SUPPORTING_DISEQUALITIES : 164 LocStat_NO_DISJUNCTIONS : -182 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 94 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 85 TransStat_NO_SUPPORTING_DISEQUALITIES : 1 TransStat_NO_DISJUNCTIONS : 94 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 3103.26 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 218 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 94 different actions 216 times. Merged at 60 different actions 118 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 0 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int, ULTIMATE.start_write~int_old_#memory_int] : 2 COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int, ULTIMATE.start_write~int_old_#memory_int] : null * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 91 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 202 SDtfs, 1172 SDslu, 624 SDs, 0 SdLazy, 530 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=2, 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, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 171489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 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/selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-38-42-054.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-38-42-054.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/selectionsort-alloca_true-valid-memsafety_true-termination.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-38-42-054.csv The toolchain threw an exception: class java.lang.RuntimeException: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" RESULT: An exception occured during the execution of Ultimate: The toolchain threw an exception java.lang.RuntimeException: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" at de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider.constructCsvProviderReflectively(SimpleCsvProvider.java:283) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark.createCsvProvider(AbsIntBenchmark.java:42) at de.uni_freiburg.informatik.ultimate.cli.CommandLineController.writeCsvLogs(CommandLineController.java:342) at de.uni_freiburg.informatik.ultimate.cli.CommandLineController.displayToolchainResults(CommandLineController.java:325) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:343) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:102) at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:296) at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:288) at java.lang.reflect.Field.get(Field.java:390) at de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider.constructCsvProviderReflectively(SimpleCsvProvider.java:275) ... 6 more Received shutdown request...