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/ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 22:33:04,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 22:33:04,284 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 22:33:04,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 22:33:04,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 22:33:04,300 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 22:33:04,302 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 22:33:04,304 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 22:33:04,306 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 22:33:04,307 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 22:33:04,311 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 22:33:04,311 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 22:33:04,312 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 22:33:04,315 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 22:33:04,316 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 22:33:04,317 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 22:33:04,326 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 22:33:04,328 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 22:33:04,332 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 22:33:04,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 22:33:04,338 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 22:33:04,340 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 22:33:04,345 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 22:33:04,345 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 22:33:04,345 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 22:33:04,346 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 22:33:04,347 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 22:33:04,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 22:33:04,348 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 22:33:04,352 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 22:33:04,352 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 22:33:04,354 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-12 22:33:04,358 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 22:33:04,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 22:33:04,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 22:33:04,374 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 22:33:04,374 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 22:33:04,374 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 22:33:04,374 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 22:33:04,375 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 22:33:04,375 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 22:33:04,375 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 22:33:04,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 22:33:04,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 22:33:04,378 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 22:33:04,378 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 22:33:04,379 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 22:33:04,379 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 22:33:04,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 22:33:04,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 22:33:04,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 22:33:04,458 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 22:33:04,458 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 22:33:04,459 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl [2018-10-12 22:33:04,459 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl' [2018-10-12 22:33:04,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 22:33:04,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 22:33:04,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 22:33:04,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 22:33:04,521 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 22:33:04,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:33:04" (1/1) ... [2018-10-12 22:33:04,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:33:04" (1/1) ... [2018-10-12 22:33:04,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:33:04" (1/1) ... [2018-10-12 22:33:04,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:33:04" (1/1) ... [2018-10-12 22:33:04,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:33:04" (1/1) ... [2018-10-12 22:33:04,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:33:04" (1/1) ... [2018-10-12 22:33:04,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:33:04" (1/1) ... [2018-10-12 22:33:04,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 22:33:04,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 22:33:04,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 22:33:04,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 22:33:04,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:33:04" (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 [2018-10-12 22:33:04,684 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 22:33:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 22:33:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 22:33:05,433 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 22:33:05,434 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:33:05 BoogieIcfgContainer [2018-10-12 22:33:05,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 22:33:05,435 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 22:33:05,435 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 22:33:05,436 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 22:33:05,439 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:33:05" (1/1) ... [2018-10-12 22:33:05,447 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 22:33:05,447 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 22:33:05,485 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 22:33:05,537 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 22:33:05,552 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 22:33:05,623 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 22:33:58,881 INFO L315 AbstractInterpreter]: Visited 76 different actions 392 times. Merged at 45 different actions 299 times. Widened at 3 different actions 13 times. Found 16 fixpoints after 5 different actions. Largest state had 0 variables. [2018-10-12 22:33:58,884 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 22:33:58,888 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 22:33:58,963 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_2_1_1| |v_ULTIMATE.start_write~int_#ptr.base_6|) at (assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]];) [2018-10-12 22:33:58,986 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |#loc_#memory_int_(Array-Int-#locsort1)| |v_ULTIMATE.start_read~int_#ptr.base_8|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-12 22:33:58,987 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_8|) |v_ULTIMATE.start_read~int_#ptr.offset_5|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-12 22:33:58,988 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 22:33:58,989 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:33:58,989 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:33:58,989 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 22:33:58,990 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:33:58,990 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:33:58,990 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 22:33:58,990 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:33:58,991 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 22:33:58,991 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 22:33:58,991 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 22:33:58,991 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:33:58,991 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 22:33:58,992 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 22:33:58,992 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 22:33:58,993 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 22:33:59,021 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:33:59 BasicIcfg [2018-10-12 22:33:59,021 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 22:33:59,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 22:33:59,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 22:33:59,034 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 22:33:59,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 10:33:04" (1/3) ... [2018-10-12 22:33:59,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fbcf and model type ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:33:59, skipping insertion in model container [2018-10-12 22:33:59,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:33:05" (2/3) ... [2018-10-12 22:33:59,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fbcf and model type ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:33:59, skipping insertion in model container [2018-10-12 22:33:59,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 10:33:59" (3/3) ... [2018-10-12 22:33:59,040 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 22:33:59,050 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 22:33:59,060 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 22:33:59,073 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 22:33:59,105 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 22:33:59,106 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 22:33:59,107 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 22:33:59,107 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 22:33:59,107 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 22:33:59,107 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 22:33:59,107 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 22:33:59,108 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 22:33:59,108 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 22:33:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-10-12 22:33:59,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-12 22:33:59,126 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:33:59,127 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] [2018-10-12 22:33:59,128 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:33:59,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:33:59,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1421636328, now seen corresponding path program 1 times [2018-10-12 22:33:59,190 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:33:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:33:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:33:59,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 22:33:59,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-12 22:33:59,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-12 22:33:59,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-12 22:33:59,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-12 22:33:59,402 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 3 states. [2018-10-12 22:33:59,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:33:59,531 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2018-10-12 22:33:59,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-12 22:33:59,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2018-10-12 22:33:59,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:33:59,643 INFO L225 Difference]: With dead ends: 114 [2018-10-12 22:33:59,643 INFO L226 Difference]: Without dead ends: 114 [2018-10-12 22:33:59,645 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-12 22:33:59,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-10-12 22:33:59,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 76. [2018-10-12 22:33:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-10-12 22:33:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2018-10-12 22:33:59,699 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 35 [2018-10-12 22:33:59,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:33:59,700 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2018-10-12 22:33:59,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-12 22:33:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2018-10-12 22:33:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-12 22:33:59,705 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:33:59,706 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] [2018-10-12 22:33:59,706 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:33:59,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:33:59,707 INFO L82 PathProgramCache]: Analyzing trace with hash -319331801, now seen corresponding path program 1 times [2018-10-12 22:33:59,708 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:33:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:34:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 22:34:00,071 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:34:00,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-12 22:34:00,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-12 22:34:00,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-12 22:34:00,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-12 22:34:00,076 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 5 states. [2018-10-12 22:34:00,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:34:00,479 INFO L93 Difference]: Finished difference Result 154 states and 157 transitions. [2018-10-12 22:34:00,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-12 22:34:00,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2018-10-12 22:34:00,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:34:00,485 INFO L225 Difference]: With dead ends: 154 [2018-10-12 22:34:00,485 INFO L226 Difference]: Without dead ends: 154 [2018-10-12 22:34:00,486 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-12 22:34:00,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-10-12 22:34:00,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 116. [2018-10-12 22:34:00,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-12 22:34:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 118 transitions. [2018-10-12 22:34:00,511 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 118 transitions. Word has length 61 [2018-10-12 22:34:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:34:00,512 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 118 transitions. [2018-10-12 22:34:00,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-12 22:34:00,514 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 118 transitions. [2018-10-12 22:34:00,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-12 22:34:00,517 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 22:34:00,518 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-12 22:34:00,521 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 22:34:00,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 22:34:00,522 INFO L82 PathProgramCache]: Analyzing trace with hash 440971430, now seen corresponding path program 2 times [2018-10-12 22:34:00,524 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 22:34:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 22:34:00,780 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-12 22:34:00,780 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 22:34:00,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-12 22:34:00,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 22:34:00,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 22:34:00,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-12 22:34:00,782 INFO L87 Difference]: Start difference. First operand 116 states and 118 transitions. Second operand 6 states. [2018-10-12 22:34:01,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 22:34:01,156 INFO L93 Difference]: Finished difference Result 164 states and 169 transitions. [2018-10-12 22:34:01,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-12 22:34:01,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2018-10-12 22:34:01,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 22:34:01,157 INFO L225 Difference]: With dead ends: 164 [2018-10-12 22:34:01,158 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 22:34:01,158 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-12 22:34:01,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 22:34:01,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 22:34:01,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 22:34:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 22:34:01,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2018-10-12 22:34:01,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 22:34:01,160 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 22:34:01,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 22:34:01,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 22:34:01,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 22:34:01,166 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:34:01 BasicIcfg [2018-10-12 22:34:01,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 22:34:01,167 INFO L168 Benchmark]: Toolchain (without parser) took 56648.05 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: -2.2 GB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. [2018-10-12 22:34:01,168 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 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. [2018-10-12 22:34:01,169 INFO L168 Benchmark]: Boogie Preprocessor took 77.11 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. [2018-10-12 22:34:01,169 INFO L168 Benchmark]: RCFGBuilder took 834.48 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. [2018-10-12 22:34:01,170 INFO L168 Benchmark]: IcfgTransformer took 53586.83 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -780.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-12 22:34:01,171 INFO L168 Benchmark]: TraceAbstraction took 2138.57 ms. Allocated memory was 3.4 GB in the beginning and 3.8 GB in the end (delta: 389.5 MB). Free memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 22:34:01,176 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 0.15 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 77.11 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 834.48 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 53586.83 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -780.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * TraceAbstraction took 2138.57 ms. Allocated memory was 3.4 GB in the beginning and 3.8 GB in the end (delta: 389.5 MB). Free memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 73 LocStat_MAX_WEQGRAPH_SIZE : 3 LocStat_MAX_SIZEOF_WEQEDGELABEL : 9 LocStat_NO_SUPPORTING_EQUALITIES : 1493 LocStat_NO_SUPPORTING_DISEQUALITIES : 509 LocStat_NO_DISJUNCTIONS : -146 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 76 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 66 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 76 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 37948.26 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 392 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 76 different actions 392 times. Merged at 45 different actions 299 times. Widened at 3 different actions 13 times. Found 16 fixpoints after 5 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: 109]: 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, 75 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 263 SDtfs, 250 SDslu, 430 SDs, 0 SdLazy, 115 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 76 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 31112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 22/29 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/ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-12_22-34-01-192.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-12_22-34-01-192.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_13.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-12_22-34-01-192.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...