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_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:50:07,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:50:07,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:50:07,586 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:50:07,586 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:50:07,587 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:50:07,590 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:50:07,591 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:50:07,593 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:50:07,594 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:50:07,595 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:50:07,595 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:50:07,596 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:50:07,597 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:50:07,598 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:50:07,599 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:50:07,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:50:07,602 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:50:07,604 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:50:07,605 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:50:07,606 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:50:07,608 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:50:07,610 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:50:07,610 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:50:07,611 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:50:07,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:50:07,612 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:50:07,613 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:50:07,614 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:50:07,615 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:50:07,615 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:50:07,616 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 16:50:07,619 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 16:50:07,628 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:50:07,628 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:50:07,629 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:50:07,629 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:50:07,629 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:50:07,629 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:50:07,630 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:50:07,630 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:50:07,631 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:50:07,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:50:07,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:50:07,631 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:50:07,631 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:50:07,632 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:50:07,632 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:50:07,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:50:07,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:50:07,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:50:07,704 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:50:07,704 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:50:07,705 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl [2018-10-14 16:50:07,705 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl' [2018-10-14 16:50:07,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:50:07,791 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:50:07,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:50:07,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:50:07,792 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:50:07,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:07" (1/1) ... [2018-10-14 16:50:07,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:07" (1/1) ... [2018-10-14 16:50:07,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:07" (1/1) ... [2018-10-14 16:50:07,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:07" (1/1) ... [2018-10-14 16:50:07,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:07" (1/1) ... [2018-10-14 16:50:07,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:07" (1/1) ... [2018-10-14 16:50:07,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:07" (1/1) ... [2018-10-14 16:50:07,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:50:07,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:50:07,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:50:07,846 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:50:07,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:07" (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 16:50:07,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:50:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:50:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:50:08,490 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:50:08,490 INFO L202 PluginConnector]: Adding new model openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:50:08 BoogieIcfgContainer [2018-10-14 16:50:08,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:50:08,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:50:08,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:50:08,496 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:50:08,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:50:07" (1/2) ... [2018-10-14 16:50:08,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bbf423 and model type openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:50:08, skipping insertion in model container [2018-10-14 16:50:08,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:50:08" (2/2) ... [2018-10-14 16:50:08,499 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl [2018-10-14 16:50:08,509 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:50:08,517 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:50:08,535 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:50:08,565 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:50:08,566 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:50:08,566 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:50:08,566 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:50:08,567 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:50:08,567 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:50:08,567 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:50:08,567 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:50:08,567 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:50:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2018-10-14 16:50:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-14 16:50:08,598 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:08,599 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] [2018-10-14 16:50:08,600 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:08,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:08,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1110130071, now seen corresponding path program 1 times [2018-10-14 16:50:08,669 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:09,571 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 16:50:09,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:50:09,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-14 16:50:09,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-14 16:50:09,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-14 16:50:09,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-10-14 16:50:09,599 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 13 states. [2018-10-14 16:50:11,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:11,001 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-10-14 16:50:11,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-14 16:50:11,003 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2018-10-14 16:50:11,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:11,018 INFO L225 Difference]: With dead ends: 115 [2018-10-14 16:50:11,018 INFO L226 Difference]: Without dead ends: 115 [2018-10-14 16:50:11,021 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-10-14 16:50:11,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-10-14 16:50:11,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 89. [2018-10-14 16:50:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-10-14 16:50:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-10-14 16:50:11,069 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 60 [2018-10-14 16:50:11,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:11,070 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-10-14 16:50:11,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-14 16:50:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-10-14 16:50:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-14 16:50:11,074 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:11,074 INFO L375 BasicCegarLoop]: trace histogram [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 16:50:11,074 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:11,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:11,075 INFO L82 PathProgramCache]: Analyzing trace with hash 521767109, now seen corresponding path program 1 times [2018-10-14 16:50:11,076 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:50:12,469 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:12,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-14 16:50:12,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-14 16:50:12,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-14 16:50:12,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2018-10-14 16:50:12,473 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 21 states. [2018-10-14 16:50:13,016 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-10-14 16:50:13,617 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-14 16:50:13,786 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-14 16:50:14,134 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-10-14 16:50:14,440 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2018-10-14 16:50:14,905 WARN L179 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-10-14 16:50:15,303 WARN L179 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2018-10-14 16:50:15,538 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-14 16:50:15,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:15,919 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-10-14 16:50:15,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-14 16:50:15,920 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 88 [2018-10-14 16:50:15,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:15,922 INFO L225 Difference]: With dead ends: 143 [2018-10-14 16:50:15,923 INFO L226 Difference]: Without dead ends: 143 [2018-10-14 16:50:15,924 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=384, Invalid=1338, Unknown=0, NotChecked=0, Total=1722 [2018-10-14 16:50:15,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-10-14 16:50:15,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2018-10-14 16:50:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-14 16:50:15,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-10-14 16:50:15,937 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 88 [2018-10-14 16:50:15,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:15,938 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-10-14 16:50:15,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-14 16:50:15,938 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-10-14 16:50:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-14 16:50:15,942 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:15,943 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:50:15,943 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:15,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:15,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1062494963, now seen corresponding path program 2 times [2018-10-14 16:50:15,945 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:50:18,114 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:18,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-10-14 16:50:18,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-10-14 16:50:18,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-10-14 16:50:18,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1180, Unknown=0, NotChecked=0, Total=1260 [2018-10-14 16:50:18,118 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 36 states. [2018-10-14 16:50:19,873 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-14 16:50:20,281 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2018-10-14 16:50:20,610 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2018-10-14 16:50:20,945 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-14 16:50:21,310 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-14 16:50:21,721 WARN L179 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2018-10-14 16:50:22,278 WARN L179 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2018-10-14 16:50:22,772 WARN L179 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2018-10-14 16:50:23,232 WARN L179 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2018-10-14 16:50:23,929 WARN L179 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2018-10-14 16:50:24,549 WARN L179 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2018-10-14 16:50:25,178 WARN L179 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 138 [2018-10-14 16:50:25,964 WARN L179 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2018-10-14 16:50:26,552 WARN L179 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 128 [2018-10-14 16:50:26,827 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-14 16:50:27,053 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-10-14 16:50:27,250 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2018-10-14 16:50:27,523 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-10-14 16:50:28,267 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-14 16:50:28,792 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-10-14 16:50:29,107 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2018-10-14 16:50:29,501 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2018-10-14 16:50:29,820 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2018-10-14 16:50:31,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:31,143 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-10-14 16:50:31,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-10-14 16:50:31,144 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 116 [2018-10-14 16:50:31,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:31,146 INFO L225 Difference]: With dead ends: 171 [2018-10-14 16:50:31,146 INFO L226 Difference]: Without dead ends: 171 [2018-10-14 16:50:31,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=894, Invalid=4806, Unknown=0, NotChecked=0, Total=5700 [2018-10-14 16:50:31,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-10-14 16:50:31,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 145. [2018-10-14 16:50:31,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-10-14 16:50:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-10-14 16:50:31,162 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 116 [2018-10-14 16:50:31,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:31,163 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-10-14 16:50:31,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-10-14 16:50:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-10-14 16:50:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-14 16:50:31,165 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:31,165 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-14 16:50:31,166 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:31,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:31,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1719710687, now seen corresponding path program 3 times [2018-10-14 16:50:31,167 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-14 16:50:33,416 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:33,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-10-14 16:50:33,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-10-14 16:50:33,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-10-14 16:50:33,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1527, Unknown=0, NotChecked=0, Total=1640 [2018-10-14 16:50:33,418 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 41 states. [2018-10-14 16:50:34,591 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-10-14 16:50:34,863 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-10-14 16:50:35,058 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-14 16:50:35,489 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-14 16:50:35,714 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-14 16:50:36,059 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-14 16:50:36,309 WARN L179 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-14 16:50:36,595 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-14 16:50:36,867 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-14 16:50:37,134 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-14 16:50:37,514 WARN L179 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2018-10-14 16:50:37,934 WARN L179 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 116 [2018-10-14 16:50:38,316 WARN L179 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2018-10-14 16:50:38,812 WARN L179 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2018-10-14 16:50:39,262 WARN L179 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2018-10-14 16:50:39,815 WARN L179 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 126 [2018-10-14 16:50:40,171 WARN L179 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 120 [2018-10-14 16:50:41,329 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2018-10-14 16:50:41,607 WARN L179 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2018-10-14 16:50:41,943 WARN L179 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2018-10-14 16:50:42,250 WARN L179 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2018-10-14 16:50:42,647 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-14 16:50:43,666 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2018-10-14 16:50:43,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:43,678 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-10-14 16:50:43,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-10-14 16:50:43,678 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 144 [2018-10-14 16:50:43,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:43,680 INFO L225 Difference]: With dead ends: 143 [2018-10-14 16:50:43,680 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:50:43,683 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1379, Invalid=5931, Unknown=0, NotChecked=0, Total=7310 [2018-10-14 16:50:43,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:50:43,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:50:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:50:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:50:43,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2018-10-14 16:50:43,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:43,685 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:50:43,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-10-14 16:50:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:50:43,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:50:43,690 INFO L202 PluginConnector]: Adding new model openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:50:43 BoogieIcfgContainer [2018-10-14 16:50:43,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:50:43,691 INFO L168 Benchmark]: Toolchain (without parser) took 35901.14 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 362.3 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 239.4 MB). Peak memory consumption was 601.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:43,692 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. [2018-10-14 16:50:43,693 INFO L168 Benchmark]: Boogie Preprocessor took 54.17 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. [2018-10-14 16:50:43,693 INFO L168 Benchmark]: RCFGBuilder took 644.91 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. [2018-10-14 16:50:43,694 INFO L168 Benchmark]: TraceAbstraction took 35198.04 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 362.3 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 207.7 MB). Peak memory consumption was 570.0 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:43,697 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 54.17 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 644.91 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 35198.04 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 362.3 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 207.7 MB). Peak memory consumption was 570.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 162]: 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, 84 locations, 1 error locations. SAFE Result, 35.1s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 28.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 267 SDtfs, 3947 SDslu, 3325 SDs, 0 SdLazy, 3862 SolverSat, 253 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1862 ImplicationChecksByTransitivity, 27.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred 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, 78 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 659089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/154 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_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-50-43-708.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-50-43-708.csv Received shutdown request...