java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:58:17,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:58:17,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:58:17,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:58:17,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:58:17,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:58:17,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:58:17,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:58:17,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:58:17,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:58:17,135 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:58:17,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:58:17,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:58:17,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:58:17,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:58:17,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:58:17,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:58:17,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:58:17,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:58:17,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:58:17,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:58:17,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:58:17,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:58:17,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:58:17,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:58:17,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:58:17,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:58:17,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:58:17,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:58:17,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:58:17,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:58:17,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:58:17,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:58:17,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:58:17,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:58:17,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:58:17,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:58:17,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:58:17,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:58:17,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:58:17,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:58:17,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:58:17,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:58:17,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:58:17,250 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:58:17,251 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:58:17,251 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-limited.bpl [2019-08-05 09:58:17,252 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-limited.bpl' [2019-08-05 09:58:17,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:58:17,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:58:17,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:58:17,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:58:17,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:58:17,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (1/1) ... [2019-08-05 09:58:17,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (1/1) ... [2019-08-05 09:58:17,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:58:17,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:58:17,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:58:17,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:58:17,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (1/1) ... [2019-08-05 09:58:17,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (1/1) ... [2019-08-05 09:58:17,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (1/1) ... [2019-08-05 09:58:17,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (1/1) ... [2019-08-05 09:58:17,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (1/1) ... [2019-08-05 09:58:17,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (1/1) ... [2019-08-05 09:58:17,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (1/1) ... [2019-08-05 09:58:17,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:58:17,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:58:17,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:58:17,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:58:17,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (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 [2019-08-05 09:58:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-05 09:58:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 09:58:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 09:58:18,046 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 09:58:18,046 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-05 09:58:18,047 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:58:18 BoogieIcfgContainer [2019-08-05 09:58:18,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:58:18,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:58:18,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:58:18,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:58:18,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:58:17" (1/2) ... [2019-08-05 09:58:18,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47868b4 and model type speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:58:18, skipping insertion in model container [2019-08-05 09:58:18,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-10-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:58:18" (2/2) ... [2019-08-05 09:58:18,060 INFO L109 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-10-limited.bpl [2019-08-05 09:58:18,070 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:58:18,079 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2019-08-05 09:58:18,100 INFO L252 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2019-08-05 09:58:18,132 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:58:18,133 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:58:18,133 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:58:18,133 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:58:18,134 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:58:18,134 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:58:18,134 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:58:18,134 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:58:18,135 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:58:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-08-05 09:58:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 09:58:18,156 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:58:18,157 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 09:58:18,161 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr9ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:58:18,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:58:18,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1004, now seen corresponding path program 1 times [2019-08-05 09:58:18,218 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:58:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:58:18,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 11 conjunts are in the unsatisfiable core [2019-08-05 09:58:18,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:58:18,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,466 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,536 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,570 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 09:58:18,618 INFO L235 Elim1Store]: Index analysis took 204 ms [2019-08-05 09:58:18,639 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 45 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 51 [2019-08-05 09:58:18,640 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 09:58:18,995 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-08-05 09:58:18,996 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 09:58:19,002 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, End of recursive call: 9 dim-0 vars, and 1 xjuncts. [2019-08-05 09:58:19,007 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:61, output treesize:78 [2019-08-05 09:58:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 09:58:19,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:58:19,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 09:58:19,065 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 09:58:19,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 09:58:19,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 09:58:19,080 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-08-05 09:58:28,443 WARN L193 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2019-08-05 09:58:28,445 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:122) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:137) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:660) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:264) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:279) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:712) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:625) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:467) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:119) ... 28 more [2019-08-05 09:58:28,450 INFO L168 Benchmark]: Toolchain (without parser) took 11152.02 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 108.3 MB in the beginning and 134.0 MB in the end (delta: -25.8 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-08-05 09:58:28,452 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 09:58:28,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.31 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 105.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-05 09:58:28,454 INFO L168 Benchmark]: Boogie Preprocessor took 24.83 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 104.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-08-05 09:58:28,455 INFO L168 Benchmark]: RCFGBuilder took 670.03 ms. Allocated memory is still 140.0 MB. Free memory was 104.5 MB in the beginning and 89.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-08-05 09:58:28,456 INFO L168 Benchmark]: TraceAbstraction took 10399.48 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 88.9 MB in the beginning and 134.0 MB in the end (delta: -45.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 09:58:28,460 INFO L335 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 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.31 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 105.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.83 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 104.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 670.03 ms. Allocated memory is still 140.0 MB. Free memory was 104.5 MB in the beginning and 89.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10399.48 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 88.9 MB in the beginning and 134.0 MB in the end (delta: -45.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:122) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...