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/array02-alloca_true-valid-memsafety_true-termination.i_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:30:01,484 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:30:01,486 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:30:01,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:30:01,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:30:01,502 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:30:01,504 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:30:01,505 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:30:01,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:30:01,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:30:01,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:30:01,509 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:30:01,510 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:30:01,511 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:30:01,512 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:30:01,513 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:30:01,514 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:30:01,516 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:30:01,518 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:30:01,519 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:30:01,520 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:30:01,521 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:30:01,524 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:30:01,524 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:30:01,525 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:30:01,525 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:30:01,526 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:30:01,527 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:30:01,528 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:30:01,529 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:30:01,529 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:30:01,530 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 16:30:01,530 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:30:01,531 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:30:01,532 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:30:01,532 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:30:01,533 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 16:30:01,542 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:30:01,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:30:01,544 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:30:01,544 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:30:01,544 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:30:01,544 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:30:01,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:30:01,545 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:30:01,545 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:30:01,545 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:30:01,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:30:01,546 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:30:01,546 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:30:01,547 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:30:01,547 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:30:01,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:30:01,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:30:01,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:30:01,613 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:30:01,614 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:30:01,615 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/array02-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-10 16:30:01,615 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/array02-alloca_true-valid-memsafety_true-termination.i_8.bpl' [2018-10-10 16:30:01,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:30:01,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:30:01,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:30:01,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:30:01,679 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:30:01,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:30:01" (1/1) ... [2018-10-10 16:30:01,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:30:01" (1/1) ... [2018-10-10 16:30:01,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:30:01" (1/1) ... [2018-10-10 16:30:01,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:30:01" (1/1) ... [2018-10-10 16:30:01,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:30:01" (1/1) ... [2018-10-10 16:30:01,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:30:01" (1/1) ... [2018-10-10 16:30:01,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:30:01" (1/1) ... [2018-10-10 16:30:01,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:30:01,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:30:01,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:30:01,741 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:30:01,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:30:01" (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 [2018-10-10 16:30:01,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:30:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:30:01,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:30:02,469 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:30:02,470 INFO L202 PluginConnector]: Adding new model array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:30:02 BoogieIcfgContainer [2018-10-10 16:30:02,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:30:02,470 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:30:02,470 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:30:02,471 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:30:02,475 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:30:02" (1/1) ... [2018-10-10 16:30:02,485 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:30:02,486 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:30:02,523 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:30:02,563 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:30:02,579 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:30:02,665 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:30:04,926 INFO L315 AbstractInterpreter]: Visited 70 different actions 112 times. Merged at 40 different actions 41 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:30:04,928 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:30:04,933 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:30:04,950 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:30:04,950 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:30:04,951 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:30:04,951 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:30:04,951 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:30:04,952 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:30:04,952 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:30:04,952 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:30:04,952 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:30:04,953 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:30:04,953 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:30:04,953 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:30:04,953 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:30:04,953 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:30:04,954 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:30:04,955 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:30:04,975 INFO L202 PluginConnector]: Adding new model array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:30:04 BasicIcfg [2018-10-10 16:30:04,976 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:30:04,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:30:04,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:30:04,981 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:30:04,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:30:01" (1/3) ... [2018-10-10 16:30:04,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b94ef6d and model type array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:30:04, skipping insertion in model container [2018-10-10 16:30:04,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:30:02" (2/3) ... [2018-10-10 16:30:04,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b94ef6d and model type array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:30:04, skipping insertion in model container [2018-10-10 16:30:04,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:30:04" (3/3) ... [2018-10-10 16:30:04,985 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:30:04,995 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:30:05,004 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:30:05,021 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:30:05,047 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:30:05,048 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:30:05,048 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:30:05,048 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:30:05,048 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:30:05,048 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:30:05,049 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:30:05,049 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:30:05,049 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:30:05,063 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-10-10 16:30:05,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-10 16:30:05,078 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:30:05,080 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] [2018-10-10 16:30:05,081 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:30:05,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:30:05,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1658605209, now seen corresponding path program 1 times [2018-10-10 16:30:05,151 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:30:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:30:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:30:06,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:30:06,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-10 16:30:06,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 16:30:06,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 16:30:06,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-10-10 16:30:06,272 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 12 states. [2018-10-10 16:30:07,038 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-10 16:30:07,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:30:07,444 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-10-10 16:30:07,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-10 16:30:07,447 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2018-10-10 16:30:07,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:30:07,480 INFO L225 Difference]: With dead ends: 105 [2018-10-10 16:30:07,481 INFO L226 Difference]: Without dead ends: 91 [2018-10-10 16:30:07,483 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2018-10-10 16:30:07,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-10-10 16:30:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 78. [2018-10-10 16:30:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-10 16:30:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-10 16:30:07,591 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 53 [2018-10-10 16:30:07,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:30:07,592 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-10-10 16:30:07,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 16:30:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-10 16:30:07,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-10 16:30:07,594 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:30:07,595 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:30:07,595 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:30:07,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:30:07,595 INFO L82 PathProgramCache]: Analyzing trace with hash -535728506, now seen corresponding path program 1 times [2018-10-10 16:30:07,596 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:30:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:30:08,563 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-10 16:30:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:30:08,634 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:30:08,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-10-10 16:30:08,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-10 16:30:08,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-10 16:30:08,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-10-10 16:30:08,637 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 14 states. [2018-10-10 16:30:09,032 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-10 16:30:09,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:30:09,771 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-10-10 16:30:09,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-10 16:30:09,773 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 77 [2018-10-10 16:30:09,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:30:09,776 INFO L225 Difference]: With dead ends: 129 [2018-10-10 16:30:09,776 INFO L226 Difference]: Without dead ends: 115 [2018-10-10 16:30:09,777 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2018-10-10 16:30:09,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-10-10 16:30:09,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2018-10-10 16:30:09,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-10 16:30:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-10-10 16:30:09,787 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 77 [2018-10-10 16:30:09,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:30:09,787 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-10-10 16:30:09,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-10 16:30:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-10-10 16:30:09,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-10 16:30:09,791 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:30:09,791 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 16:30:09,791 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:30:09,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:30:09,792 INFO L82 PathProgramCache]: Analyzing trace with hash -2007967885, now seen corresponding path program 2 times [2018-10-10 16:30:09,793 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:30:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:30:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 16:30:10,425 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:30:10,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-10-10 16:30:10,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 16:30:10,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 16:30:10,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-10-10 16:30:10,426 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 16 states. [2018-10-10 16:30:11,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:30:11,079 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-10-10 16:30:11,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-10 16:30:11,079 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 101 [2018-10-10 16:30:11,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:30:11,080 INFO L225 Difference]: With dead ends: 113 [2018-10-10 16:30:11,080 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:30:11,081 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=260, Invalid=732, Unknown=0, NotChecked=0, Total=992 [2018-10-10 16:30:11,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:30:11,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:30:11,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:30:11,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:30:11,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 101 [2018-10-10 16:30:11,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:30:11,083 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:30:11,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 16:30:11,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:30:11,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:30:11,087 INFO L202 PluginConnector]: Adding new model array02-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:30:11 BasicIcfg [2018-10-10 16:30:11,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:30:11,088 INFO L168 Benchmark]: Toolchain (without parser) took 9411.05 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 692.6 MB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -451.4 MB). Peak memory consumption was 241.2 MB. Max. memory is 7.1 GB. [2018-10-10 16:30:11,089 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:30:11,090 INFO L168 Benchmark]: Boogie Preprocessor took 57.19 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. [2018-10-10 16:30:11,090 INFO L168 Benchmark]: RCFGBuilder took 733.67 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. [2018-10-10 16:30:11,091 INFO L168 Benchmark]: IcfgTransformer took 2505.90 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 46.1 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -42.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2018-10-10 16:30:11,092 INFO L168 Benchmark]: TraceAbstraction took 6109.80 ms. Allocated memory was 1.6 GB in the beginning and 2.2 GB in the end (delta: 646.4 MB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -440.8 MB). Peak memory consumption was 205.6 MB. Max. memory is 7.1 GB. [2018-10-10 16:30:11,097 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 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.19 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. * RCFGBuilder took 733.67 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 2505.90 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 46.1 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -42.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6109.80 ms. Allocated memory was 1.6 GB in the beginning and 2.2 GB in the end (delta: 646.4 MB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -440.8 MB). Peak memory consumption was 205.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 68 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 1652 LocStat_NO_SUPPORTING_DISEQUALITIES : 104 LocStat_NO_DISJUNCTIONS : -136 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 70 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 65 TransStat_NO_SUPPORTING_DISEQUALITIES : 1 TransStat_NO_DISJUNCTIONS : 70 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 1512.26 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 114 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 70 different actions 112 times. Merged at 40 different actions 41 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: 133]: 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, 70 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 158 SDtfs, 1509 SDslu, 685 SDs, 0 SdLazy, 535 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred 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, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 124560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 11/54 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/array02-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-30-11-113.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array02-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-30-11-113.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array02-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-30-11-113.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...