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/optional_data_creation_test04_true-valid-memsafety.i_25.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:50:53,160 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:50:53,162 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:50:53,175 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:50:53,176 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:50:53,177 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:50:53,178 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:50:53,180 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:50:53,182 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:50:53,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:50:53,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:50:53,184 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:50:53,184 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:50:53,185 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:50:53,187 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:50:53,187 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:50:53,188 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:50:53,190 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:50:53,192 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:50:53,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:50:53,195 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:50:53,196 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:50:53,198 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:50:53,199 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:50:53,199 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:50:53,200 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:50:53,201 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:50:53,202 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:50:53,203 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:50:53,204 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:50:53,204 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:50:53,205 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 16:50:53,205 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 16:50:53,205 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 16:50:53,206 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 16:50:53,207 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 16:50:53,207 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 16:50:53,225 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:50:53,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:50:53,227 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:50:53,227 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:50:53,227 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:50:53,227 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:50:53,228 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:50:53,228 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:50:53,228 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:50:53,228 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:50:53,229 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:50:53,229 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:50:53,229 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:50:53,235 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:50:53,235 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:50:53,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:50:53,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:50:53,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:50:53,319 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:50:53,320 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:50:53,321 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/optional_data_creation_test04_true-valid-memsafety.i_25.bpl [2018-10-14 16:50:53,321 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/optional_data_creation_test04_true-valid-memsafety.i_25.bpl' [2018-10-14 16:50:53,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:50:53,403 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:50:53,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:50:53,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:50:53,404 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:50:53,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:53" (1/1) ... [2018-10-14 16:50:53,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:53" (1/1) ... [2018-10-14 16:50:53,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:53" (1/1) ... [2018-10-14 16:50:53,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:53" (1/1) ... [2018-10-14 16:50:53,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:53" (1/1) ... [2018-10-14 16:50:53,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:53" (1/1) ... [2018-10-14 16:50:53,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:53" (1/1) ... [2018-10-14 16:50:53,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:50:53,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:50:53,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:50:53,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:50:53,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 16:50:53,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:50:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:50:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:50:54,311 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:50:54,312 INFO L202 PluginConnector]: Adding new model optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:50:54 BoogieIcfgContainer [2018-10-14 16:50:54,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:50:54,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:50:54,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:50:54,317 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:50:54,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:53" (1/2) ... [2018-10-14 16:50:54,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fbada2 and model type optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:50:54, skipping insertion in model container [2018-10-14 16:50:54,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:50:54" (2/2) ... [2018-10-14 16:50:54,321 INFO L112 eAbstractionObserver]: Analyzing ICFG optional_data_creation_test04_true-valid-memsafety.i_25.bpl [2018-10-14 16:50:54,330 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:50:54,339 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:50:54,356 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:50:54,382 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:50:54,383 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:50:54,383 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:50:54,384 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:50:54,384 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:50:54,384 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:50:54,384 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:50:54,384 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:50:54,384 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:50:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-10-14 16:50:54,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-14 16:50:54,413 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:54,415 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] [2018-10-14 16:50:54,416 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:54,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:54,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1479252098, now seen corresponding path program 1 times [2018-10-14 16:50:54,472 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:50:55,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:50:55,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-14 16:50:55,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-14 16:50:55,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-14 16:50:55,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-10-14 16:50:55,299 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 13 states. [2018-10-14 16:50:56,253 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-14 16:50:57,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:57,451 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-10-14 16:50:57,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-14 16:50:57,453 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-10-14 16:50:57,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:57,467 INFO L225 Difference]: With dead ends: 149 [2018-10-14 16:50:57,468 INFO L226 Difference]: Without dead ends: 149 [2018-10-14 16:50:57,471 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=163, Invalid=539, Unknown=0, NotChecked=0, Total=702 [2018-10-14 16:50:57,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-10-14 16:50:57,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 101. [2018-10-14 16:50:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-10-14 16:50:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-10-14 16:50:57,522 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 42 [2018-10-14 16:50:57,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:57,523 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-10-14 16:50:57,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-14 16:50:57,523 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-10-14 16:50:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-14 16:50:57,527 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:57,527 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:50:57,527 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:57,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:57,528 INFO L82 PathProgramCache]: Analyzing trace with hash -590073633, now seen corresponding path program 1 times [2018-10-14 16:50:57,529 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:58,397 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-14 16:50:58,398 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:58,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-14 16:50:58,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-14 16:50:58,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-14 16:50:58,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2018-10-14 16:50:58,402 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 20 states. [2018-10-14 16:50:59,656 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2018-10-14 16:50:59,883 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2018-10-14 16:51:00,020 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2018-10-14 16:51:00,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:51:00,146 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-10-14 16:51:00,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-14 16:51:00,148 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 100 [2018-10-14 16:51:00,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:51:00,149 INFO L225 Difference]: With dead ends: 99 [2018-10-14 16:51:00,150 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:51:00,151 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=337, Invalid=1069, Unknown=0, NotChecked=0, Total=1406 [2018-10-14 16:51:00,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:51:00,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:51:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:51:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:51:00,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-10-14 16:51:00,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:51:00,153 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:51:00,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-14 16:51:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:51:00,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:51:00,158 INFO L202 PluginConnector]: Adding new model optional_data_creation_test04_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:51:00 BoogieIcfgContainer [2018-10-14 16:51:00,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:51:00,159 INFO L168 Benchmark]: Toolchain (without parser) took 6757.42 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 467.9 MB). Peak memory consumption was 467.9 MB. Max. memory is 7.1 GB. [2018-10-14 16:51:00,161 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:51:00,161 INFO L168 Benchmark]: Boogie Preprocessor took 82.72 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:51:00,162 INFO L168 Benchmark]: RCFGBuilder took 825.95 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:51:00,163 INFO L168 Benchmark]: TraceAbstraction took 5844.39 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 436.2 MB). Peak memory consumption was 436.2 MB. Max. memory is 7.1 GB. [2018-10-14 16:51:00,167 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 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.72 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 825.95 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5844.39 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 436.2 MB). Peak memory consumption was 436.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 179]: 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, 86 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 105 SDtfs, 1293 SDslu, 540 SDs, 0 SdLazy, 700 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred 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, 0.0s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 140092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/17 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/optional_data_creation_test04_true-valid-memsafety.i_25.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-51-00-180.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_true-valid-memsafety.i_25.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-51-00-180.csv Received shutdown request...