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_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:42:50,734 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:42:50,736 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:42:50,749 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:42:50,749 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:42:50,750 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:42:50,751 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:42:50,753 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:42:50,755 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:42:50,756 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:42:50,757 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:42:50,757 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:42:50,758 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:42:50,759 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:42:50,761 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:42:50,761 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:42:50,762 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:42:50,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:42:50,766 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:42:50,768 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:42:50,769 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:42:50,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:42:50,773 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-10 15:42:50,778 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 15:42:50,779 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 15:42:50,779 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 15:42:50,780 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 15:42:50,780 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:42:50,790 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:42:50,790 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:42:50,794 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:42:50,794 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:42:50,795 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:42:50,795 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:42:50,796 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:42:50,796 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:42:50,796 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:42:50,796 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:42:50,796 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:42:50,797 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:42:50,797 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:42:50,798 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:42:50,798 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:42:50,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:42:50,879 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:42:50,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:42:50,887 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:42:50,888 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:42:50,889 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl [2018-10-10 15:42:50,889 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl' [2018-10-10 15:42:50,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:42:50,968 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:42:50,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:42:50,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:42:50,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:42:50,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:50" (1/1) ... [2018-10-10 15:42:50,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:50" (1/1) ... [2018-10-10 15:42:51,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:50" (1/1) ... [2018-10-10 15:42:51,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:50" (1/1) ... [2018-10-10 15:42:51,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:50" (1/1) ... [2018-10-10 15:42:51,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:50" (1/1) ... [2018-10-10 15:42:51,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:50" (1/1) ... [2018-10-10 15:42:51,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:42:51,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:42:51,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:42:51,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:42:51,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-10 15:42:51,112 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:42:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:42:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:42:51,978 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:42:51,980 INFO L202 PluginConnector]: Adding new model openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:42:51 BoogieIcfgContainer [2018-10-10 15:42:51,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:42:51,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:42:51,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:42:51,987 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:42:51,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:50" (1/2) ... [2018-10-10 15:42:51,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69dcf5c6 and model type openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:42:51, skipping insertion in model container [2018-10-10 15:42:51,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:42:51" (2/2) ... [2018-10-10 15:42:51,992 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl [2018-10-10 15:42:52,004 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:42:52,016 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:42:52,035 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:42:52,072 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:42:52,073 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:42:52,074 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:42:52,074 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:42:52,074 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:42:52,074 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:42:52,074 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:42:52,074 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:42:52,075 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:42:52,097 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2018-10-10 15:42:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-10 15:42:52,110 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:42:52,111 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] [2018-10-10 15:42:52,113 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:42:52,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:42:52,120 INFO L82 PathProgramCache]: Analyzing trace with hash 735241267, now seen corresponding path program 1 times [2018-10-10 15:42:52,185 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:42:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:42:53,191 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-10 15:42:53,751 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-10 15:42:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:42:54,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:42:54,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2018-10-10 15:42:54,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-10 15:42:54,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-10 15:42:54,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2018-10-10 15:42:54,251 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 24 states. [2018-10-10 15:42:56,589 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-10-10 15:42:57,246 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-10-10 15:42:57,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:42:57,540 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-10-10 15:42:57,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-10-10 15:42:57,543 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 87 [2018-10-10 15:42:57,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:42:57,560 INFO L225 Difference]: With dead ends: 116 [2018-10-10 15:42:57,560 INFO L226 Difference]: Without dead ends: 116 [2018-10-10 15:42:57,563 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=370, Invalid=1886, Unknown=0, NotChecked=0, Total=2256 [2018-10-10 15:42:57,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-10 15:42:57,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 103. [2018-10-10 15:42:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-10 15:42:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-10-10 15:42:57,606 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 87 [2018-10-10 15:42:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:42:57,607 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-10-10 15:42:57,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-10 15:42:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-10-10 15:42:57,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-10 15:42:57,611 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:42:57,612 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] [2018-10-10 15:42:57,612 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:42:57,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:42:57,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1560880365, now seen corresponding path program 1 times [2018-10-10 15:42:57,614 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:42:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:42:58,705 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-10 15:42:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:42:59,244 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:42:59,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-10-10 15:42:59,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-10 15:42:59,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-10 15:42:59,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=750, Unknown=0, NotChecked=0, Total=812 [2018-10-10 15:42:59,249 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 29 states. [2018-10-10 15:42:59,888 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-10-10 15:43:01,071 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-10-10 15:43:01,506 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2018-10-10 15:43:02,249 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2018-10-10 15:43:02,450 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2018-10-10 15:43:02,820 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-10-10 15:43:03,403 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2018-10-10 15:43:03,575 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-10-10 15:43:03,897 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-10-10 15:43:04,164 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2018-10-10 15:43:04,332 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-10-10 15:43:04,877 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2018-10-10 15:43:05,049 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2018-10-10 15:43:05,189 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2018-10-10 15:43:05,440 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2018-10-10 15:43:05,718 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2018-10-10 15:43:05,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:43:05,732 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-10-10 15:43:05,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-10-10 15:43:05,733 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 102 [2018-10-10 15:43:05,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:43:05,735 INFO L225 Difference]: With dead ends: 114 [2018-10-10 15:43:05,735 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:43:05,739 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=595, Invalid=3565, Unknown=0, NotChecked=0, Total=4160 [2018-10-10 15:43:05,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:43:05,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:43:05,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:43:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:43:05,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2018-10-10 15:43:05,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:43:05,740 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:43:05,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-10 15:43:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:43:05,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:43:05,746 INFO L202 PluginConnector]: Adding new model openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:43:05 BoogieIcfgContainer [2018-10-10 15:43:05,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:43:05,747 INFO L168 Benchmark]: Toolchain (without parser) took 14780.40 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.5 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 70.2 MB). Peak memory consumption was 178.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:43:05,748 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:43:05,749 INFO L168 Benchmark]: Boogie Preprocessor took 59.66 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:43:05,750 INFO L168 Benchmark]: RCFGBuilder took 951.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:43:05,750 INFO L168 Benchmark]: TraceAbstraction took 13763.75 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.5 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 38.5 MB). Peak memory consumption was 147.0 MB. Max. memory is 7.1 GB. [2018-10-10 15:43:05,754 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 0.22 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 59.66 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 951.28 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 13763.75 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.5 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 38.5 MB). Peak memory consumption was 147.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 173]: 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, 95 locations, 1 error locations. SAFE Result, 13.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 9.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 121 SDtfs, 1005 SDslu, 1688 SDs, 0 SdLazy, 1799 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1014 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 261421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/10 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_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-43-05-766.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-43-05-766.csv Received shutdown request...