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_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:08:29,643 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:08:29,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:08:29,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:08:29,664 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:08:29,665 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:08:29,667 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:08:29,669 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:08:29,671 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:08:29,680 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:08:29,681 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-12 21:08:29,715 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 21:08:29,724 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:08:29,724 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:08:29,725 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:08:29,726 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:08:29,726 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:08:29,726 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:08:29,727 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:08:29,727 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:08:29,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:08:29,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:08:29,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:08:29,728 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:08:29,728 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:08:29,729 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:08:29,729 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:08:29,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:08:29,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:08:29,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:08:29,796 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:08:29,797 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:08:29,798 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl [2018-10-12 21:08:29,798 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl' [2018-10-12 21:08:29,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:08:29,871 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:08:29,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:08:29,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:08:29,872 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:08:29,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:08:29" (1/1) ... [2018-10-12 21:08:29,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:08:29" (1/1) ... [2018-10-12 21:08:29,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:08:29" (1/1) ... [2018-10-12 21:08:29,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:08:29" (1/1) ... [2018-10-12 21:08:29,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:08:29" (1/1) ... [2018-10-12 21:08:29,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:08:29" (1/1) ... [2018-10-12 21:08:29,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:08:29" (1/1) ... [2018-10-12 21:08:29,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:08:29,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:08:29,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:08:29,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:08:29,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:08:29" (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 [2018-10-12 21:08:30,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:08:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:08:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:08:30,975 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:08:30,976 INFO L202 PluginConnector]: Adding new model openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:08:30 BoogieIcfgContainer [2018-10-12 21:08:30,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:08:30,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:08:30,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:08:30,980 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:08:30,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:08:29" (1/2) ... [2018-10-12 21:08:30,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293698f6 and model type openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:08:30, skipping insertion in model container [2018-10-12 21:08:30,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:08:30" (2/2) ... [2018-10-12 21:08:30,984 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl [2018-10-12 21:08:30,993 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:08:31,004 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:08:31,026 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:08:31,062 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:08:31,063 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:08:31,064 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:08:31,064 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:08:31,064 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:08:31,064 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:08:31,064 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:08:31,064 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:08:31,065 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:08:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-10-12 21:08:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-12 21:08:31,130 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:08:31,133 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:08:31,134 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:08:31,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:08:31,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1242541775, now seen corresponding path program 1 times [2018-10-12 21:08:31,211 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:08:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:08:32,697 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-12 21:08:34,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:08:34,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:08:34,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2018-10-12 21:08:34,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-10-12 21:08:34,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-10-12 21:08:34,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1101, Unknown=0, NotChecked=0, Total=1190 [2018-10-12 21:08:34,452 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 35 states. [2018-10-12 21:08:37,622 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-10-12 21:08:37,955 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2018-10-12 21:08:38,314 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2018-10-12 21:08:38,794 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2018-10-12 21:08:39,218 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2018-10-12 21:08:39,745 WARN L178 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2018-10-12 21:08:40,125 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2018-10-12 21:08:40,821 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-12 21:08:41,423 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2018-10-12 21:08:41,759 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2018-10-12 21:08:42,030 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2018-10-12 21:08:42,279 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-10-12 21:08:42,591 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2018-10-12 21:08:42,895 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-10-12 21:08:43,382 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-12 21:08:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:08:44,591 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-10-12 21:08:44,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-10-12 21:08:44,593 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 138 [2018-10-12 21:08:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:08:44,609 INFO L225 Difference]: With dead ends: 167 [2018-10-12 21:08:44,610 INFO L226 Difference]: Without dead ends: 167 [2018-10-12 21:08:44,614 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=627, Invalid=4629, Unknown=0, NotChecked=0, Total=5256 [2018-10-12 21:08:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-10-12 21:08:44,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 154. [2018-10-12 21:08:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-10-12 21:08:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 154 transitions. [2018-10-12 21:08:44,664 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 154 transitions. Word has length 138 [2018-10-12 21:08:44,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:08:44,666 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 154 transitions. [2018-10-12 21:08:44,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-10-12 21:08:44,666 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 154 transitions. [2018-10-12 21:08:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-12 21:08:44,671 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:08:44,671 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:08:44,672 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:08:44,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:08:44,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1931521636, now seen corresponding path program 1 times [2018-10-12 21:08:44,673 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:08:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:08:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:08:46,700 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:08:46,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-10-12 21:08:46,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-12 21:08:46,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-12 21:08:46,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1251, Unknown=0, NotChecked=0, Total=1332 [2018-10-12 21:08:46,704 INFO L87 Difference]: Start difference. First operand 154 states and 154 transitions. Second operand 37 states. [2018-10-12 21:08:48,758 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-12 21:08:49,627 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-10-12 21:08:50,172 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-12 21:08:50,382 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-12 21:08:50,740 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-10-12 21:08:50,938 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-12 21:08:51,242 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-12 21:08:52,185 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2018-10-12 21:08:53,061 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2018-10-12 21:08:53,282 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2018-10-12 21:08:53,649 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-10-12 21:08:54,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:08:54,442 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-10-12 21:08:54,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-10-12 21:08:54,442 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 153 [2018-10-12 21:08:54,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:08:54,446 INFO L225 Difference]: With dead ends: 182 [2018-10-12 21:08:54,446 INFO L226 Difference]: Without dead ends: 182 [2018-10-12 21:08:54,449 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=538, Invalid=5624, Unknown=0, NotChecked=0, Total=6162 [2018-10-12 21:08:54,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-10-12 21:08:54,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 169. [2018-10-12 21:08:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-10-12 21:08:54,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-10-12 21:08:54,463 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 153 [2018-10-12 21:08:54,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:08:54,464 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-10-12 21:08:54,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-10-12 21:08:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-10-12 21:08:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-12 21:08:54,467 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:08:54,467 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:08:54,467 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:08:54,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:08:54,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1644694993, now seen corresponding path program 2 times [2018-10-12 21:08:54,469 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:08:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:08:55,122 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-12 21:08:55,315 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-12 21:08:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:08:57,267 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:08:57,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-10-12 21:08:57,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-10-12 21:08:57,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-10-12 21:08:57,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1620, Unknown=0, NotChecked=0, Total=1722 [2018-10-12 21:08:57,269 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 42 states. [2018-10-12 21:09:00,059 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-12 21:09:00,286 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-10-12 21:09:00,464 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-12 21:09:00,886 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-12 21:09:01,884 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2018-10-12 21:09:02,673 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2018-10-12 21:09:02,909 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2018-10-12 21:09:03,197 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2018-10-12 21:09:03,466 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2018-10-12 21:09:03,638 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2018-10-12 21:09:04,071 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-10-12 21:09:04,308 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-10-12 21:09:04,591 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2018-10-12 21:09:05,057 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2018-10-12 21:09:05,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:09:05,625 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-10-12 21:09:05,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-10-12 21:09:05,626 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 168 [2018-10-12 21:09:05,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:09:05,630 INFO L225 Difference]: With dead ends: 197 [2018-10-12 21:09:05,630 INFO L226 Difference]: Without dead ends: 197 [2018-10-12 21:09:05,633 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1365 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=667, Invalid=7165, Unknown=0, NotChecked=0, Total=7832 [2018-10-12 21:09:05,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-10-12 21:09:05,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 184. [2018-10-12 21:09:05,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-10-12 21:09:05,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2018-10-12 21:09:05,646 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 168 [2018-10-12 21:09:05,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:09:05,646 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2018-10-12 21:09:05,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-10-12 21:09:05,647 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2018-10-12 21:09:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-12 21:09:05,650 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:09:05,650 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:09:05,651 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:09:05,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:09:05,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1778565372, now seen corresponding path program 3 times [2018-10-12 21:09:05,652 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:09:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:09:06,285 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-12 21:09:07,591 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:09:07,591 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:09:07,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-10-12 21:09:07,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-10-12 21:09:07,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-10-12 21:09:07,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1702, Unknown=0, NotChecked=0, Total=1806 [2018-10-12 21:09:07,593 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand 43 states. [2018-10-12 21:09:10,312 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-12 21:09:10,500 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-12 21:09:10,721 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-10-12 21:09:10,950 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-12 21:09:11,300 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-12 21:09:12,078 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-12 21:09:12,392 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2018-10-12 21:09:13,050 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-10-12 21:09:13,629 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-12 21:09:13,839 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-10-12 21:09:14,515 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2018-10-12 21:09:14,721 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2018-10-12 21:09:15,429 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2018-10-12 21:09:15,650 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2018-10-12 21:09:15,900 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2018-10-12 21:09:16,205 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2018-10-12 21:09:16,417 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2018-10-12 21:09:16,757 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2018-10-12 21:09:17,193 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2018-10-12 21:09:17,388 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2018-10-12 21:09:18,340 WARN L178 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2018-10-12 21:09:18,624 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2018-10-12 21:09:18,849 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2018-10-12 21:09:19,043 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-10-12 21:09:19,258 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-12 21:09:19,463 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2018-10-12 21:09:19,680 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2018-10-12 21:09:19,911 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2018-10-12 21:09:19,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:09:19,948 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-10-12 21:09:19,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-10-12 21:09:19,949 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 183 [2018-10-12 21:09:19,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:09:19,950 INFO L225 Difference]: With dead ends: 195 [2018-10-12 21:09:19,950 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:09:19,954 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2002 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=1321, Invalid=8981, Unknown=0, NotChecked=0, Total=10302 [2018-10-12 21:09:19,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:09:19,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:09:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:09:19,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:09:19,955 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2018-10-12 21:09:19,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:09:19,955 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:09:19,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-10-12 21:09:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:09:19,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:09:19,960 INFO L202 PluginConnector]: Adding new model openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:09:19 BoogieIcfgContainer [2018-10-12 21:09:19,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:09:19,961 INFO L168 Benchmark]: Toolchain (without parser) took 50091.08 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 485.5 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -423.6 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. [2018-10-12 21:09:19,962 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. [2018-10-12 21:09:19,962 INFO L168 Benchmark]: Boogie Preprocessor took 90.63 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. [2018-10-12 21:09:19,963 INFO L168 Benchmark]: RCFGBuilder took 1013.10 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-12 21:09:19,964 INFO L168 Benchmark]: TraceAbstraction took 48982.93 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 485.5 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -465.9 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2018-10-12 21:09:19,967 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 90.63 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 1013.10 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48982.93 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 485.5 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -465.9 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 249]: 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, 146 locations, 1 error locations. SAFE Result, 48.9s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 38.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 335 SDtfs, 3374 SDslu, 7913 SDs, 0 SdLazy, 10288 SolverSat, 238 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 351 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 335 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5432 ImplicationChecksByTransitivity, 33.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred 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, 0.3s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 642 NumberOfCodeBlocks, 642 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 2125295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 19/120 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_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-09-19-979.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-09-19-979.csv Received shutdown request...