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/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:50:25,477 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:50:25,480 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:50:25,496 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:50:25,496 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:50:25,497 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:50:25,501 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:50:25,503 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:50:25,505 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:50:25,505 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:50:25,506 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:50:25,506 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:50:25,508 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:50:25,509 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:50:25,514 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:50:25,514 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:50:25,515 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:50:25,525 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:50:25,527 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:50:25,533 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:50:25,534 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:50:25,536 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:50:25,540 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:50:25,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:50:25,541 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:50:25,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:50:25,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:50:25,545 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:50:25,548 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:50:25,550 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:50:25,550 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:50:25,550 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 16:50:25,551 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 16:50:25,552 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 16:50:25,553 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 16:50:25,553 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 16:50:25,553 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 16:50:25,566 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:50:25,567 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:50:25,568 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:50:25,568 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:50:25,568 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:50:25,568 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:50:25,569 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:50:25,569 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:50:25,569 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:50:25,570 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:50:25,570 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:50:25,570 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:50:25,570 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:50:25,571 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:50:25,571 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:50:25,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:50:25,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:50:25,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:50:25,658 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:50:25,659 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:50:25,660 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl [2018-10-14 16:50:25,660 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl' [2018-10-14 16:50:25,726 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:50:25,727 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:50:25,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:50:25,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:50:25,728 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:50:25,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:25" (1/1) ... [2018-10-14 16:50:25,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:25" (1/1) ... [2018-10-14 16:50:25,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:25" (1/1) ... [2018-10-14 16:50:25,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:25" (1/1) ... [2018-10-14 16:50:25,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:25" (1/1) ... [2018-10-14 16:50:25,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:25" (1/1) ... [2018-10-14 16:50:25,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:25" (1/1) ... [2018-10-14 16:50:25,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:50:25,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:50:25,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:50:25,779 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:50:25,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:25" (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 16:50:25,856 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:50:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:50:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:50:26,619 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:50:26,620 INFO L202 PluginConnector]: Adding new model openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:50:26 BoogieIcfgContainer [2018-10-14 16:50:26,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:50:26,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:50:26,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:50:26,625 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:50:26,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:25" (1/2) ... [2018-10-14 16:50:26,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727d842c and model type openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:50:26, skipping insertion in model container [2018-10-14 16:50:26,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:50:26" (2/2) ... [2018-10-14 16:50:26,628 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl [2018-10-14 16:50:26,638 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:50:26,646 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:50:26,664 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:50:26,693 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:50:26,694 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:50:26,694 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:50:26,695 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:50:26,695 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:50:26,695 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:50:26,695 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:50:26,695 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:50:26,695 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:50:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2018-10-14 16:50:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-14 16:50:26,725 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:26,726 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] [2018-10-14 16:50:26,728 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:26,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:26,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1957752566, now seen corresponding path program 1 times [2018-10-14 16:50:26,787 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:27,530 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 16:50:27,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:50:27,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-14 16:50:27,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-14 16:50:27,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-14 16:50:27,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-10-14 16:50:27,560 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 13 states. [2018-10-14 16:50:28,283 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-14 16:50:28,559 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-14 16:50:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:29,311 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-10-14 16:50:29,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-14 16:50:29,315 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 80 [2018-10-14 16:50:29,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:29,330 INFO L225 Difference]: With dead ends: 109 [2018-10-14 16:50:29,331 INFO L226 Difference]: Without dead ends: 109 [2018-10-14 16:50:29,333 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-10-14 16:50:29,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-10-14 16:50:29,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 96. [2018-10-14 16:50:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-14 16:50:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-14 16:50:29,382 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 80 [2018-10-14 16:50:29,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:29,384 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-10-14 16:50:29,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-14 16:50:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-14 16:50:29,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-14 16:50:29,389 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:29,389 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:50:29,390 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:29,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:29,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1536078687, now seen corresponding path program 1 times [2018-10-14 16:50:29,392 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:30,142 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-14 16:50:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:50:30,831 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:30,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-10-14 16:50:30,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-14 16:50:30,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-14 16:50:30,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=415, Unknown=0, NotChecked=0, Total=462 [2018-10-14 16:50:30,835 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 22 states. [2018-10-14 16:50:32,639 WARN L179 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-14 16:50:32,810 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-14 16:50:33,046 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-14 16:50:33,262 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-14 16:50:33,611 WARN L179 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-10-14 16:50:33,872 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2018-10-14 16:50:34,422 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-14 16:50:34,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:34,915 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-10-14 16:50:34,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-14 16:50:34,916 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 95 [2018-10-14 16:50:34,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:34,918 INFO L225 Difference]: With dead ends: 124 [2018-10-14 16:50:34,918 INFO L226 Difference]: Without dead ends: 124 [2018-10-14 16:50:34,920 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=469, Invalid=1337, Unknown=0, NotChecked=0, Total=1806 [2018-10-14 16:50:34,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-10-14 16:50:34,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2018-10-14 16:50:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-10-14 16:50:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-10-14 16:50:34,932 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 95 [2018-10-14 16:50:34,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:34,933 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-10-14 16:50:34,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-14 16:50:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-10-14 16:50:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-14 16:50:34,935 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:34,936 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:50:34,936 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:34,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:34,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1497726058, now seen corresponding path program 2 times [2018-10-14 16:50:34,938 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:50:36,076 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:36,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-10-14 16:50:36,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-14 16:50:36,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-14 16:50:36,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=546, Unknown=0, NotChecked=0, Total=600 [2018-10-14 16:50:36,078 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 25 states. [2018-10-14 16:50:37,995 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-14 16:50:38,178 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-14 16:50:38,359 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-10-14 16:50:38,681 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-14 16:50:38,879 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-14 16:50:39,258 WARN L179 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2018-10-14 16:50:39,811 WARN L179 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2018-10-14 16:50:40,300 WARN L179 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2018-10-14 16:50:40,700 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2018-10-14 16:50:41,104 WARN L179 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2018-10-14 16:50:41,570 WARN L179 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2018-10-14 16:50:41,917 WARN L179 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2018-10-14 16:50:42,292 WARN L179 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2018-10-14 16:50:42,625 WARN L179 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2018-10-14 16:50:42,930 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-14 16:50:43,212 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-14 16:50:43,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:43,274 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-10-14 16:50:43,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-14 16:50:43,275 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 110 [2018-10-14 16:50:43,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:43,278 INFO L225 Difference]: With dead ends: 139 [2018-10-14 16:50:43,279 INFO L226 Difference]: Without dead ends: 139 [2018-10-14 16:50:43,280 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=529, Invalid=1823, Unknown=0, NotChecked=0, Total=2352 [2018-10-14 16:50:43,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-10-14 16:50:43,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 126. [2018-10-14 16:50:43,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-10-14 16:50:43,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-10-14 16:50:43,292 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 110 [2018-10-14 16:50:43,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:43,292 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-10-14 16:50:43,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-14 16:50:43,293 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-10-14 16:50:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-14 16:50:43,295 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:43,295 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:43,295 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:43,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:43,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1320674305, now seen corresponding path program 3 times [2018-10-14 16:50:43,296 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-14 16:50:43,904 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:43,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-10-14 16:50:43,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-14 16:50:43,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-14 16:50:43,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2018-10-14 16:50:43,906 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 22 states. [2018-10-14 16:50:45,549 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2018-10-14 16:50:45,777 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2018-10-14 16:50:46,001 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2018-10-14 16:50:46,257 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2018-10-14 16:50:46,509 WARN L179 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2018-10-14 16:50:46,778 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2018-10-14 16:50:46,993 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2018-10-14 16:50:47,180 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2018-10-14 16:50:47,373 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2018-10-14 16:50:47,561 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2018-10-14 16:50:47,818 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2018-10-14 16:50:48,233 WARN L179 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2018-10-14 16:50:48,543 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2018-10-14 16:50:48,866 WARN L179 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2018-10-14 16:50:49,170 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2018-10-14 16:50:49,364 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2018-10-14 16:50:49,625 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-10-14 16:50:49,890 WARN L179 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2018-10-14 16:50:49,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:49,901 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-10-14 16:50:49,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-10-14 16:50:49,902 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 125 [2018-10-14 16:50:49,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:49,903 INFO L225 Difference]: With dead ends: 124 [2018-10-14 16:50:49,903 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:50:49,904 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=730, Invalid=1622, Unknown=0, NotChecked=0, Total=2352 [2018-10-14 16:50:49,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:50:49,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:50:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:50:49,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:50:49,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2018-10-14 16:50:49,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:49,905 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:50:49,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-14 16:50:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:50:49,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:50:49,911 INFO L202 PluginConnector]: Adding new model openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:50:49 BoogieIcfgContainer [2018-10-14 16:50:49,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:50:49,912 INFO L168 Benchmark]: Toolchain (without parser) took 24185.70 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 260.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 373.3 MB). Peak memory consumption was 633.4 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:49,913 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:50:49,914 INFO L168 Benchmark]: Boogie Preprocessor took 50.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:50:49,914 INFO L168 Benchmark]: RCFGBuilder took 841.35 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:49,915 INFO L168 Benchmark]: TraceAbstraction took 23289.86 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 260.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 341.6 MB). Peak memory consumption was 601.6 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:49,919 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 841.35 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23289.86 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 260.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 341.6 MB). Peak memory consumption was 601.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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, 93 locations, 1 error locations. SAFE Result, 23.2s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 19.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 289 SDtfs, 2705 SDslu, 2744 SDs, 0 SdLazy, 2149 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 17.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=3, 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, 4 MinimizatonAttempts, 39 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 406 ConstructedInterpolants, 0 QuantifiedInterpolants, 506679 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 19/90 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/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-50-49-929.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_11.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-50-49-929.csv Received shutdown request...