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_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:38:23,052 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:38:23,054 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:38:23,069 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:38:23,069 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:38:23,070 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:38:23,071 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:38:23,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:38:23,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:38:23,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:38:23,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:38:23,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:38:23,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:38:23,080 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:38:23,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:38:23,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:38:23,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:38:23,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:38:23,086 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:38:23,088 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:38:23,089 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:38:23,090 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:38:23,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:38:23,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:38:23,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:38:23,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:38:23,097 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:38:23,097 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:38:23,100 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:38:23,101 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:38:23,103 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:38:23,104 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 18:38:23,108 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 18:38:23,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:38:23,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:38:23,125 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:38:23,125 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:38:23,125 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:38:23,126 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:38:23,126 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:38:23,126 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:38:23,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:38:23,127 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:38:23,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:38:23,127 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:38:23,127 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:38:23,128 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:38:23,128 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:38:23,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:38:23,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:38:23,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:38:23,196 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:38:23,196 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:38:23,197 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl [2018-10-14 18:38:23,198 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl' [2018-10-14 18:38:23,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:38:23,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:38:23,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:38:23,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:38:23,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:38:23,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:23" (1/1) ... [2018-10-14 18:38:23,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:23" (1/1) ... [2018-10-14 18:38:23,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:23" (1/1) ... [2018-10-14 18:38:23,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:23" (1/1) ... [2018-10-14 18:38:23,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:23" (1/1) ... [2018-10-14 18:38:23,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:23" (1/1) ... [2018-10-14 18:38:23,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:23" (1/1) ... [2018-10-14 18:38:23,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:38:23,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:38:23,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:38:23,373 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:38:23,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:23" (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 18:38:23,455 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:38:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:38:23,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:38:24,053 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:38:24,053 INFO L202 PluginConnector]: Adding new model selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:38:24 BoogieIcfgContainer [2018-10-14 18:38:24,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:38:24,054 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:38:24,054 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:38:24,055 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:38:24,058 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:38:24" (1/1) ... [2018-10-14 18:38:24,065 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:38:24,065 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:38:24,105 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:38:24,155 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:38:24,172 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:38:24,241 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:38:28,433 INFO L315 AbstractInterpreter]: Visited 91 different actions 204 times. Merged at 57 different actions 111 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:38:28,436 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:38:28,441 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:38:28,595 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:38:28,596 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:38:28,596 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:38:28,597 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:38:28,597 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:38:28,597 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:38:28,597 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:38:28,597 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:38:28,598 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:38:28,599 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:38:28,599 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:38:28,599 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:38:28,599 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:38:28,599 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-14 18:38:28,600 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:38:28,602 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:38:28,640 INFO L202 PluginConnector]: Adding new model selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:38:28 BasicIcfg [2018-10-14 18:38:28,643 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:38:28,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:38:28,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:38:28,649 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:38:28,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:38:23" (1/3) ... [2018-10-14 18:38:28,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4730d854 and model type selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:38:28, skipping insertion in model container [2018-10-14 18:38:28,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:38:24" (2/3) ... [2018-10-14 18:38:28,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4730d854 and model type selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:38:28, skipping insertion in model container [2018-10-14 18:38:28,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:38:28" (3/3) ... [2018-10-14 18:38:28,654 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:38:28,665 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:38:28,674 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:38:28,693 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:38:28,721 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:38:28,722 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:38:28,723 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:38:28,723 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:38:28,723 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:38:28,723 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:38:28,724 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:38:28,725 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:38:28,725 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:38:28,742 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2018-10-14 18:38:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-14 18:38:28,758 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:38:28,759 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 18:38:28,760 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:38:28,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:38:28,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1549883677, now seen corresponding path program 1 times [2018-10-14 18:38:28,834 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:38:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:38:29,198 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 18:38:29,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:38:29,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-14 18:38:29,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-14 18:38:29,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-14 18:38:29,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-14 18:38:29,223 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 4 states. [2018-10-14 18:38:29,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:38:29,793 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-10-14 18:38:29,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-14 18:38:29,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-10-14 18:38:29,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:38:29,810 INFO L225 Difference]: With dead ends: 90 [2018-10-14 18:38:29,811 INFO L226 Difference]: Without dead ends: 90 [2018-10-14 18:38:29,813 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 18:38:29,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-10-14 18:38:29,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-10-14 18:38:29,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-10-14 18:38:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-10-14 18:38:29,868 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 65 [2018-10-14 18:38:29,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:38:29,871 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2018-10-14 18:38:29,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-14 18:38:29,871 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-10-14 18:38:29,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-14 18:38:29,875 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:38:29,875 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 18:38:29,878 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:38:29,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:38:29,879 INFO L82 PathProgramCache]: Analyzing trace with hash 279504715, now seen corresponding path program 1 times [2018-10-14 18:38:29,880 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:38:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:38:31,051 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 18:38:31,051 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:38:31,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-14 18:38:31,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-14 18:38:31,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-14 18:38:31,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-10-14 18:38:31,055 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 10 states. [2018-10-14 18:38:32,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:38:32,521 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-10-14 18:38:32,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-14 18:38:32,522 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-10-14 18:38:32,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:38:32,524 INFO L225 Difference]: With dead ends: 108 [2018-10-14 18:38:32,524 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:38:32,526 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2018-10-14 18:38:32,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:38:32,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:38:32,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:38:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:38:32,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-10-14 18:38:32,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:38:32,527 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:38:32,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-14 18:38:32,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:38:32,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:38:32,532 INFO L202 PluginConnector]: Adding new model selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:38:32 BasicIcfg [2018-10-14 18:38:32,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:38:32,533 INFO L168 Benchmark]: Toolchain (without parser) took 9242.05 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 975.2 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -884.2 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2018-10-14 18:38:32,534 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 18:38:32,535 INFO L168 Benchmark]: Boogie Preprocessor took 79.21 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 18:38:32,535 INFO L168 Benchmark]: RCFGBuilder took 681.27 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 18:38:32,536 INFO L168 Benchmark]: IcfgTransformer took 4589.25 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 272.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -53.3 MB). Peak memory consumption was 219.4 MB. Max. memory is 7.1 GB. [2018-10-14 18:38:32,537 INFO L168 Benchmark]: TraceAbstraction took 3887.24 ms. Allocated memory was 1.8 GB in the beginning and 2.5 GB in the end (delta: 702.5 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -862.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 18:38:32,542 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 0.20 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 79.21 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 681.27 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 4589.25 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 272.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -53.3 MB). Peak memory consumption was 219.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3887.24 ms. Allocated memory was 1.8 GB in the beginning and 2.5 GB in the end (delta: 702.5 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -862.6 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 : 89 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 2339 LocStat_NO_SUPPORTING_DISEQUALITIES : 160 LocStat_NO_DISJUNCTIONS : -178 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 91 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 84 TransStat_NO_SUPPORTING_DISEQUALITIES : 1 TransStat_NO_DISJUNCTIONS : 91 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 2820.29 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 206 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 91 different actions 204 times. Merged at 57 different actions 111 times. Never widened. Found 1 fixpoints after 1 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: 152]: 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, 3.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 144 SDtfs, 212 SDslu, 340 SDs, 0 SdLazy, 313 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 92928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-38-32-559.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-38-32-559.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/selectionsort-alloca_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-38-32-559.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...