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_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:42:51,353 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:42:51,355 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:42:51,371 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:42:51,372 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:42:51,373 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:42:51,375 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:42:51,376 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:42:51,378 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:42:51,379 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:42:51,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:42:51,380 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:42:51,381 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:42:51,382 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:42:51,384 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:42:51,385 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:42:51,385 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:42:51,387 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:42:51,390 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:42:51,391 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:42:51,393 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:42:51,394 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:42:51,397 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 15:42:51,397 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 15:42:51,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 15:42:51,398 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 15:42:51,399 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 15:42:51,400 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 15:42:51,401 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 15:42:51,404 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 15:42:51,404 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 15:42:51,405 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 15:42:51,405 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 15:42:51,406 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 15:42:51,409 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 15:42:51,410 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 15:42:51,410 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 15:42:51,429 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:42:51,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:42:51,430 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:42:51,431 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:42:51,432 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:42:51,432 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:42:51,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:42:51,433 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:42:51,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:42:51,433 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:42:51,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:42:51,434 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:42:51,434 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:42:51,435 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:42:51,435 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:42:51,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:42:51,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:42:51,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:42:51,528 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:42:51,528 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:42:51,529 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-10 15:42:51,529 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl' [2018-10-10 15:42:51,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:42:51,608 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:42:51,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:42:51,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:42:51,609 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:42:51,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:51" (1/1) ... [2018-10-10 15:42:51,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:51" (1/1) ... [2018-10-10 15:42:51,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:51" (1/1) ... [2018-10-10 15:42:51,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:51" (1/1) ... [2018-10-10 15:42:51,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:51" (1/1) ... [2018-10-10 15:42:51,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:51" (1/1) ... [2018-10-10 15:42:51,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:51" (1/1) ... [2018-10-10 15:42:51,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:42:51,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:42:51,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:42:51,664 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:42:51,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:51" (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 15:42:51,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:42:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:42:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:42:52,334 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:42:52,335 INFO L202 PluginConnector]: Adding new model openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:42:52 BoogieIcfgContainer [2018-10-10 15:42:52,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:42:52,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:42:52,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:42:52,340 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:42:52,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:51" (1/2) ... [2018-10-10 15:42:52,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581ddf0b and model type openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:42:52, skipping insertion in model container [2018-10-10 15:42:52,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:42:52" (2/2) ... [2018-10-10 15:42:52,343 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-10 15:42:52,353 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:42:52,364 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:42:52,382 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:42:52,412 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:42:52,413 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:42:52,413 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:42:52,413 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:42:52,413 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:42:52,413 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:42:52,414 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:42:52,414 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:42:52,414 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:42:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states. [2018-10-10 15:42:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-10 15:42:52,462 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:42:52,464 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 15:42:52,465 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:42:52,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:42:52,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1174391736, now seen corresponding path program 1 times [2018-10-10 15:42:52,541 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:42:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:42:53,297 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-10 15:42:53,623 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-10 15:42:54,131 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-10 15:42:54,588 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 15:42:54,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:42:54,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2018-10-10 15:42:54,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-10 15:42:54,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-10 15:42:54,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2018-10-10 15:42:54,618 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 24 states. [2018-10-10 15:42:56,803 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-10-10 15:42:57,550 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-10-10 15:42:57,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:42:57,723 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-10-10 15:42:57,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-10-10 15:42:57,725 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 87 [2018-10-10 15:42:57,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:42:57,741 INFO L225 Difference]: With dead ends: 134 [2018-10-10 15:42:57,741 INFO L226 Difference]: Without dead ends: 121 [2018-10-10 15:42:57,744 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=356, Invalid=1806, Unknown=0, NotChecked=0, Total=2162 [2018-10-10 15:42:57,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-10-10 15:42:57,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 116. [2018-10-10 15:42:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-10 15:42:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 116 transitions. [2018-10-10 15:42:57,791 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 116 transitions. Word has length 87 [2018-10-10 15:42:57,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:42:57,793 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 116 transitions. [2018-10-10 15:42:57,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-10 15:42:57,793 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 116 transitions. [2018-10-10 15:42:57,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-10 15:42:57,798 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:42:57,798 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:42:57,799 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:42:57,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:42:57,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1198982570, now seen corresponding path program 1 times [2018-10-10 15:42:57,800 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:42:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:42:59,133 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-10 15:42:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:42:59,610 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:42:59,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-10-10 15:42:59,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-10 15:42:59,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-10 15:42:59,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=750, Unknown=0, NotChecked=0, Total=812 [2018-10-10 15:42:59,615 INFO L87 Difference]: Start difference. First operand 116 states and 116 transitions. Second operand 29 states. [2018-10-10 15:43:00,479 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-10 15:43:01,512 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-10-10 15:43:01,854 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2018-10-10 15:43:02,639 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2018-10-10 15:43:02,827 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2018-10-10 15:43:03,019 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2018-10-10 15:43:03,198 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-10-10 15:43:03,505 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-10-10 15:43:03,816 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-10-10 15:43:04,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:43:04,130 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-10-10 15:43:04,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-10 15:43:04,131 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 115 [2018-10-10 15:43:04,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:43:04,133 INFO L225 Difference]: With dead ends: 119 [2018-10-10 15:43:04,133 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:43:04,135 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=439, Invalid=2867, Unknown=0, NotChecked=0, Total=3306 [2018-10-10 15:43:04,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:43:04,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:43:04,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:43:04,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:43:04,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 115 [2018-10-10 15:43:04,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:43:04,137 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:43:04,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-10 15:43:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:43:04,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:43:04,143 INFO L202 PluginConnector]: Adding new model openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:43:04 BoogieIcfgContainer [2018-10-10 15:43:04,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:43:04,144 INFO L168 Benchmark]: Toolchain (without parser) took 12537.43 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 44.6 MB). Free memory was 1.4 GB in the beginning and 901.3 MB in the end (delta: 539.2 MB). Peak memory consumption was 583.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:43:04,146 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-10 15:43:04,146 INFO L168 Benchmark]: Boogie Preprocessor took 54.79 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. [2018-10-10 15:43:04,147 INFO L168 Benchmark]: RCFGBuilder took 671.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:43:04,148 INFO L168 Benchmark]: TraceAbstraction took 11806.62 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 44.6 MB). Free memory was 1.4 GB in the beginning and 901.3 MB in the end (delta: 507.5 MB). Peak memory consumption was 552.0 MB. Max. memory is 7.1 GB. [2018-10-10 15:43:04,152 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.79 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 671.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11806.62 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 44.6 MB). Free memory was 1.4 GB in the beginning and 901.3 MB in the end (delta: 507.5 MB). Peak memory consumption was 552.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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, 97 locations, 1 error locations. SAFE Result, 11.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 7.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 128 SDtfs, 1260 SDslu, 1906 SDs, 0 SdLazy, 1740 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 806 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 202 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 314264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/21 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_14.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-43-04-164.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-43-04-164.csv Received shutdown request...