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/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:17:12,240 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:17:12,243 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:17:12,259 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:17:12,259 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:17:12,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:17:12,262 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:17:12,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:17:12,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:17:12,269 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:17:12,272 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:17:12,272 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:17:12,273 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:17:12,274 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:17:12,275 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:17:12,276 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:17:12,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:17:12,287 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:17:12,289 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:17:12,295 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:17:12,296 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:17:12,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:17:12,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 15:17:12,300 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 15:17:12,300 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 15:17:12,301 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 15:17:12,302 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 15:17:12,302 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 15:17:12,303 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 15:17:12,305 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 15:17:12,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 15:17:12,306 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 15:17:12,309 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 15:17:12,324 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:17:12,324 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:17:12,326 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:17:12,326 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:17:12,326 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:17:12,326 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:17:12,327 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:17:12,328 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:17:12,328 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:17:12,328 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:17:12,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:17:12,328 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:17:12,329 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:17:12,330 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:17:12,331 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:17:12,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:17:12,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:17:12,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:17:12,406 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:17:12,406 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:17:12,407 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl [2018-10-10 15:17:12,407 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl' [2018-10-10 15:17:12,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:17:12,472 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:17:12,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:17:12,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:17:12,473 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:17:12,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:12" (1/1) ... [2018-10-10 15:17:12,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:12" (1/1) ... [2018-10-10 15:17:12,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:12" (1/1) ... [2018-10-10 15:17:12,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:12" (1/1) ... [2018-10-10 15:17:12,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:12" (1/1) ... [2018-10-10 15:17:12,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:12" (1/1) ... [2018-10-10 15:17:12,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:12" (1/1) ... [2018-10-10 15:17:12,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:17:12,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:17:12,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:17:12,534 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:17:12,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:12" (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 15:17:12,594 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:17:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:17:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:17:13,260 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:17:13,260 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:17:13 BoogieIcfgContainer [2018-10-10 15:17:13,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:17:13,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:17:13,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:17:13,266 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:17:13,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:17:12" (1/2) ... [2018-10-10 15:17:13,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e25fe0 and model type ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:17:13, skipping insertion in model container [2018-10-10 15:17:13,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:17:13" (2/2) ... [2018-10-10 15:17:13,269 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl [2018-10-10 15:17:13,279 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:17:13,288 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:17:13,305 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:17:13,334 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:17:13,335 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:17:13,336 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:17:13,336 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:17:13,336 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:17:13,336 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:17:13,336 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:17:13,336 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:17:13,337 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:17:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-10-10 15:17:13,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-10 15:17:13,366 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:17:13,367 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] [2018-10-10 15:17:13,368 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:17:13,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:17:13,375 INFO L82 PathProgramCache]: Analyzing trace with hash 519611514, now seen corresponding path program 1 times [2018-10-10 15:17:13,430 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:17:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:17:13,946 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 15:17:13,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:17:13,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 15:17:13,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 15:17:13,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 15:17:13,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:17:13,975 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 8 states. [2018-10-10 15:17:14,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:17:14,492 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-10-10 15:17:14,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-10 15:17:14,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2018-10-10 15:17:14,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:17:14,507 INFO L225 Difference]: With dead ends: 153 [2018-10-10 15:17:14,508 INFO L226 Difference]: Without dead ends: 153 [2018-10-10 15:17:14,511 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-10-10 15:17:14,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-10 15:17:14,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 105. [2018-10-10 15:17:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-10-10 15:17:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-10-10 15:17:14,559 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 50 [2018-10-10 15:17:14,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:17:14,560 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-10-10 15:17:14,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 15:17:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-10-10 15:17:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-10 15:17:14,565 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:17:14,565 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, 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] [2018-10-10 15:17:14,569 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:17:14,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:17:14,570 INFO L82 PathProgramCache]: Analyzing trace with hash -941202081, now seen corresponding path program 1 times [2018-10-10 15:17:14,571 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:17:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:17:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:17:14,863 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:17:14,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-10 15:17:14,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 15:17:14,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 15:17:14,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:17:14,866 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 8 states. [2018-10-10 15:17:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:17:15,411 INFO L93 Difference]: Finished difference Result 91 states and 90 transitions. [2018-10-10 15:17:15,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 15:17:15,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-10-10 15:17:15,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:17:15,413 INFO L225 Difference]: With dead ends: 91 [2018-10-10 15:17:15,414 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:17:15,415 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-10-10 15:17:15,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:17:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:17:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:17:15,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:17:15,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2018-10-10 15:17:15,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:17:15,417 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:17:15,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 15:17:15,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:17:15,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:17:15,424 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:17:15 BoogieIcfgContainer [2018-10-10 15:17:15,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:17:15,425 INFO L168 Benchmark]: Toolchain (without parser) took 2954.31 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: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-10-10 15:17:15,427 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 15:17:15,432 INFO L168 Benchmark]: Boogie Preprocessor took 60.37 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 15:17:15,433 INFO L168 Benchmark]: RCFGBuilder took 727.32 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 15:17:15,434 INFO L168 Benchmark]: TraceAbstraction took 2162.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-10 15:17:15,442 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 60.37 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 727.32 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. * TraceAbstraction took 2162.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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, 78 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 172 SDtfs, 317 SDslu, 664 SDs, 0 SdLazy, 94 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=1, 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, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 31704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 9/29 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/ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-17-15-462.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_true-valid-memsafety.c_12.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-17-15-462.csv Received shutdown request...