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/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:22:25,500 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:22:25,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:22:25,519 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:22:25,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:22:25,520 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:22:25,522 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:22:25,524 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:22:25,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:22:25,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:22:25,528 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:22:25,528 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:22:25,529 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:22:25,530 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:22:25,531 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:22:25,532 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:22:25,533 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:22:25,534 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:22:25,537 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:22:25,538 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:22:25,539 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:22:25,540 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:22:25,543 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 16:22:25,543 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 16:22:25,543 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 16:22:25,544 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 16:22:25,545 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 16:22:25,546 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 16:22:25,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 16:22:25,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 16:22:25,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 16:22:25,549 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 16:22:25,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 16:22:25,550 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 16:22:25,551 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 16:22:25,551 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 16:22:25,552 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 16:22:25,561 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:22:25,561 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:22:25,562 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:22:25,562 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:22:25,563 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:22:25,563 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:22:25,564 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:22:25,564 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:22:25,564 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:22:25,564 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:22:25,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:22:25,565 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:22:25,565 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:22:25,566 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:22:25,566 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:22:25,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:22:25,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:22:25,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:22:25,631 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:22:25,632 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:22:25,633 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl [2018-10-10 16:22:25,633 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl' [2018-10-10 16:22:25,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:22:25,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:22:25,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:22:25,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:22:25,712 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:22:25,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:25" (1/1) ... [2018-10-10 16:22:25,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:25" (1/1) ... [2018-10-10 16:22:25,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:25" (1/1) ... [2018-10-10 16:22:25,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:25" (1/1) ... [2018-10-10 16:22:25,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:25" (1/1) ... [2018-10-10 16:22:25,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:25" (1/1) ... [2018-10-10 16:22:25,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:25" (1/1) ... [2018-10-10 16:22:25,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:22:25,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:22:25,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:22:25,771 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:22:25,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:25" (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 16:22:25,849 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:22:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:22:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:22:26,482 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:22:26,483 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:22:26 BoogieIcfgContainer [2018-10-10 16:22:26,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:22:26,483 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:22:26,484 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:22:26,485 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:22:26,489 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:22:26" (1/1) ... [2018-10-10 16:22:26,496 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:22:26,496 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:22:26,530 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:22:26,569 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:22:26,584 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:22:26,656 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:22:29,087 INFO L315 AbstractInterpreter]: Visited 62 different actions 84 times. Merged at 21 different actions 21 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:22:29,090 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:22:29,097 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:22:29,111 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:22:29,111 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:22:29,112 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:22:29,112 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:22:29,112 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:22:29,113 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:22:29,113 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:22:29,113 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:22:29,113 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:22:29,113 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:22:29,114 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:22:29,114 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:22:29,114 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:22:29,114 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-10 16:22:29,114 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:22:29,117 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:22:29,149 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:22:29 BasicIcfg [2018-10-10 16:22:29,152 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:22:29,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:22:29,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:22:29,158 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:22:29,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:22:25" (1/3) ... [2018-10-10 16:22:29,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17de0be5 and model type ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:22:29, skipping insertion in model container [2018-10-10 16:22:29,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:22:26" (2/3) ... [2018-10-10 16:22:29,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17de0be5 and model type ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:22:29, skipping insertion in model container [2018-10-10 16:22:29,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:22:29" (3/3) ... [2018-10-10 16:22:29,162 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:22:29,173 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:22:29,182 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:22:29,201 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:22:29,227 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:22:29,228 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:22:29,228 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:22:29,228 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:22:29,229 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:22:29,229 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:22:29,229 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:22:29,230 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:22:29,230 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:22:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-10-10 16:22:29,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-10 16:22:29,252 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:22:29,253 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] [2018-10-10 16:22:29,254 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:22:29,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:22:29,261 INFO L82 PathProgramCache]: Analyzing trace with hash -2086901375, now seen corresponding path program 1 times [2018-10-10 16:22:29,327 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:22:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:22:29,701 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 16:22:29,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:22:29,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 16:22:29,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 16:22:29,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 16:22:29,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-10 16:22:29,725 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 5 states. [2018-10-10 16:22:29,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:29,899 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-10-10 16:22:29,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 16:22:29,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-10-10 16:22:29,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:29,911 INFO L225 Difference]: With dead ends: 76 [2018-10-10 16:22:29,912 INFO L226 Difference]: Without dead ends: 76 [2018-10-10 16:22:29,914 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-10 16:22:29,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-10-10 16:22:30,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 63. [2018-10-10 16:22:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-10-10 16:22:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-10-10 16:22:30,017 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 47 [2018-10-10 16:22:30,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:30,018 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-10-10 16:22:30,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 16:22:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-10-10 16:22:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-10 16:22:30,020 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:22:30,020 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] [2018-10-10 16:22:30,021 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:22:30,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:22:30,021 INFO L82 PathProgramCache]: Analyzing trace with hash -647017687, now seen corresponding path program 1 times [2018-10-10 16:22:30,022 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:22:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:22:30,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-10 16:22:30,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:22:30,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 16:22:30,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 16:22:30,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 16:22:30,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-10 16:22:30,876 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 7 states. [2018-10-10 16:22:31,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:22:31,360 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-10-10 16:22:31,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-10 16:22:31,360 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-10-10 16:22:31,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:22:31,361 INFO L225 Difference]: With dead ends: 61 [2018-10-10 16:22:31,361 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:22:31,362 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-10-10 16:22:31,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:22:31,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:22:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:22:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:22:31,363 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-10-10 16:22:31,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:22:31,364 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:22:31,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 16:22:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:22:31,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:22:31,368 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:22:31 BasicIcfg [2018-10-10 16:22:31,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:22:31,369 INFO L168 Benchmark]: Toolchain (without parser) took 5659.66 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 823.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -816.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:31,371 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-10-10 16:22:31,371 INFO L168 Benchmark]: Boogie Preprocessor took 58.88 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 16:22:31,372 INFO L168 Benchmark]: RCFGBuilder took 712.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:31,373 INFO L168 Benchmark]: IcfgTransformer took 2668.76 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 40.9 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 83.5 MB). Peak memory consumption was 124.4 MB. Max. memory is 7.1 GB. [2018-10-10 16:22:31,374 INFO L168 Benchmark]: TraceAbstraction took 2214.72 ms. Allocated memory was 1.6 GB in the beginning and 2.4 GB in the end (delta: 782.8 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -920.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:22:31,378 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 0.21 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. * Boogie Preprocessor took 58.88 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 712.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * IcfgTransformer took 2668.76 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 40.9 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 83.5 MB). Peak memory consumption was 124.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2214.72 ms. Allocated memory was 1.6 GB in the beginning and 2.4 GB in the end (delta: 782.8 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -920.7 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 : 60 LocStat_MAX_WEQGRAPH_SIZE : 3 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1114 LocStat_NO_SUPPORTING_DISEQUALITIES : 362 LocStat_NO_DISJUNCTIONS : -120 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 62 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 54 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 62 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 1466.92 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 84 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 62 different actions 84 times. Merged at 21 different actions 21 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: 126]: 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, 64 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 103 SDtfs, 215 SDslu, 147 SDs, 0 SdLazy, 75 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 19018 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-22-31-395.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-22-31-395.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-22-31-395.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...