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/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:36:32,446 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:36:32,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:36:32,467 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:36:32,468 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:36:32,469 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:36:32,471 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:36:32,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:36:32,475 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:36:32,476 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:36:32,478 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:36:32,479 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:36:32,480 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:36:32,481 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:36:32,482 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:36:32,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:36:32,487 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:36:32,490 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:36:32,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:36:32,504 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:36:32,506 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:36:32,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:36:32,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 15:36:32,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 15:36:32,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 15:36:32,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 15:36:32,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 15:36:32,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 15:36:32,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 15:36:32,519 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 15:36:32,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 15:36:32,521 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 15:36:32,523 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 15:36:32,523 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 15:36:32,524 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 15:36:32,525 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 15:36:32,525 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 15:36:32,542 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:36:32,542 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:36:32,543 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:36:32,543 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:36:32,543 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:36:32,543 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:36:32,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:36:32,545 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:36:32,545 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:36:32,545 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:36:32,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:36:32,546 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:36:32,546 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:36:32,547 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:36:32,547 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:36:32,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:36:32,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:36:32,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:36:32,639 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:36:32,640 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:36:32,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-10 15:36:32,641 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl' [2018-10-10 15:36:32,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:36:32,728 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:36:32,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:36:32,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:36:32,729 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:36:32,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:36:32" (1/1) ... [2018-10-10 15:36:32,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:36:32" (1/1) ... [2018-10-10 15:36:32,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:36:32" (1/1) ... [2018-10-10 15:36:32,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:36:32" (1/1) ... [2018-10-10 15:36:32,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:36:32" (1/1) ... [2018-10-10 15:36:32,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:36:32" (1/1) ... [2018-10-10 15:36:32,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:36:32" (1/1) ... [2018-10-10 15:36:32,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:36:32,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:36:32,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:36:32,801 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:36:32,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:36:32" (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 15:36:32,871 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:36:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:36:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:36:33,519 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:36:33,520 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:36:33 BoogieIcfgContainer [2018-10-10 15:36:33,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:36:33,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:36:33,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:36:33,524 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:36:33,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:36:32" (1/2) ... [2018-10-10 15:36:33,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8960b02 and model type lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:36:33, skipping insertion in model container [2018-10-10 15:36:33,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:36:33" (2/2) ... [2018-10-10 15:36:33,527 INFO L112 eAbstractionObserver]: Analyzing ICFG lis-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-10 15:36:33,537 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:36:33,545 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:36:33,562 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:36:33,589 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:36:33,590 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:36:33,590 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:36:33,590 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:36:33,590 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:36:33,590 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:36:33,591 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:36:33,591 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:36:33,591 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:36:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2018-10-10 15:36:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-10 15:36:33,624 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:36:33,625 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:36:33,626 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:36:33,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:36:33,633 INFO L82 PathProgramCache]: Analyzing trace with hash -452284042, now seen corresponding path program 1 times [2018-10-10 15:36:33,686 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:36:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:36:34,121 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 15:36:34,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:36:34,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 15:36:34,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 15:36:34,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 15:36:34,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-10 15:36:34,149 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 6 states. [2018-10-10 15:36:34,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:36:34,398 INFO L93 Difference]: Finished difference Result 145 states and 146 transitions. [2018-10-10 15:36:34,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 15:36:34,400 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-10-10 15:36:34,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:36:34,414 INFO L225 Difference]: With dead ends: 145 [2018-10-10 15:36:34,414 INFO L226 Difference]: Without dead ends: 145 [2018-10-10 15:36:34,416 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-10-10 15:36:34,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-10-10 15:36:34,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2018-10-10 15:36:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-10 15:36:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 116 transitions. [2018-10-10 15:36:34,466 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 116 transitions. Word has length 80 [2018-10-10 15:36:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:36:34,467 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 116 transitions. [2018-10-10 15:36:34,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 15:36:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-10-10 15:36:34,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-10 15:36:34,472 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:36:34,472 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:36:34,473 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:36:34,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:36:34,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1444690523, now seen corresponding path program 1 times [2018-10-10 15:36:34,474 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:36:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:36:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:36:36,625 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:36:36,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-10-10 15:36:36,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-10-10 15:36:36,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-10-10 15:36:36,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2018-10-10 15:36:36,629 INFO L87 Difference]: Start difference. First operand 115 states and 116 transitions. Second operand 26 states. [2018-10-10 15:36:38,578 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2018-10-10 15:36:38,931 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2018-10-10 15:36:39,184 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2018-10-10 15:36:39,417 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-10-10 15:36:40,019 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2018-10-10 15:36:40,312 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2018-10-10 15:36:40,660 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2018-10-10 15:36:41,012 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2018-10-10 15:36:41,227 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2018-10-10 15:36:41,391 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-10 15:36:41,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:36:41,393 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-10-10 15:36:41,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-10 15:36:41,393 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 114 [2018-10-10 15:36:41,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:36:41,394 INFO L225 Difference]: With dead ends: 96 [2018-10-10 15:36:41,394 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:36:41,397 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=602, Invalid=2260, Unknown=0, NotChecked=0, Total=2862 [2018-10-10 15:36:41,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:36:41,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:36:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:36:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:36:41,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2018-10-10 15:36:41,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:36:41,398 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:36:41,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-10-10 15:36:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:36:41,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:36:41,404 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:36:41 BoogieIcfgContainer [2018-10-10 15:36:41,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:36:41,405 INFO L168 Benchmark]: Toolchain (without parser) took 8677.74 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 23.6 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 199.2 MB). Peak memory consumption was 222.8 MB. Max. memory is 7.1 GB. [2018-10-10 15:36:41,407 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 15:36:41,407 INFO L168 Benchmark]: Boogie Preprocessor took 67.35 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 15:36:41,408 INFO L168 Benchmark]: RCFGBuilder took 719.75 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 15:36:41,409 INFO L168 Benchmark]: TraceAbstraction took 7883.65 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 23.6 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 167.5 MB). Peak memory consumption was 191.1 MB. Max. memory is 7.1 GB. [2018-10-10 15:36:41,413 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.35 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 719.75 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 7883.65 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 23.6 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 167.5 MB). Peak memory consumption was 191.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 203]: 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, 115 locations, 1 error locations. SAFE Result, 7.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 148 SDtfs, 876 SDslu, 494 SDs, 0 SdLazy, 743 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 161358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 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/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-36-41-425.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/lis-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-36-41-425.csv Received shutdown request...