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_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:49:47,268 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:49:47,271 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:49:47,283 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:49:47,283 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:49:47,284 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:49:47,285 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:49:47,287 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:49:47,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:49:47,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:49:47,291 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:49:47,291 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:49:47,292 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:49:47,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:49:47,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:49:47,295 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:49:47,296 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:49:47,298 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:49:47,300 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:49:47,302 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:49:47,303 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:49:47,304 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:49:47,307 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:49:47,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:49:47,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:49:47,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:49:47,309 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:49:47,310 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:49:47,311 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:49:47,312 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:49:47,313 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:49:47,313 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 16:49:47,314 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 16:49:47,314 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 16:49:47,318 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 16:49:47,319 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 16:49:47,319 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 16:49:47,342 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:49:47,342 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:49:47,343 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:49:47,343 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:49:47,344 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:49:47,344 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:49:47,344 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:49:47,345 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:49:47,345 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:49:47,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:49:47,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:49:47,346 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:49:47,346 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:49:47,347 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:49:47,347 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:49:47,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:49:47,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:49:47,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:49:47,424 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:49:47,425 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:49:47,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl [2018-10-14 16:49:47,426 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl' [2018-10-14 16:49:47,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:49:47,523 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:49:47,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:49:47,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:49:47,524 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:49:47,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:47" (1/1) ... [2018-10-14 16:49:47,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:47" (1/1) ... [2018-10-14 16:49:47,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:47" (1/1) ... [2018-10-14 16:49:47,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:47" (1/1) ... [2018-10-14 16:49:47,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:47" (1/1) ... [2018-10-14 16:49:47,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:47" (1/1) ... [2018-10-14 16:49:47,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:47" (1/1) ... [2018-10-14 16:49:47,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:49:47,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:49:47,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:49:47,595 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:49:47,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 16:49:47,672 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:49:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:49:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:49:48,405 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:49:48,406 INFO L202 PluginConnector]: Adding new model openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:49:48 BoogieIcfgContainer [2018-10-14 16:49:48,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:49:48,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:49:48,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:49:48,410 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:49:48,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:47" (1/2) ... [2018-10-14 16:49:48,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a550fa1 and model type openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:49:48, skipping insertion in model container [2018-10-14 16:49:48,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:49:48" (2/2) ... [2018-10-14 16:49:48,413 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl [2018-10-14 16:49:48,423 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:49:48,431 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:49:48,447 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:49:48,473 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:49:48,474 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:49:48,474 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:49:48,474 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:49:48,474 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:49:48,474 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:49:48,475 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:49:48,475 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:49:48,475 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:49:48,495 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-10-14 16:49:48,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-14 16:49:48,508 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:49:48,515 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] [2018-10-14 16:49:48,517 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:49:48,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:49:48,524 INFO L82 PathProgramCache]: Analyzing trace with hash -326719470, now seen corresponding path program 1 times [2018-10-14 16:49:48,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:49:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:49:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:49:49,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:49:49,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-14 16:49:49,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-14 16:49:49,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-14 16:49:49,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-10-14 16:49:49,403 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 13 states. [2018-10-14 16:49:50,177 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-14 16:49:51,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:49:51,075 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-10-14 16:49:51,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-14 16:49:51,079 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 81 [2018-10-14 16:49:51,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:49:51,100 INFO L225 Difference]: With dead ends: 106 [2018-10-14 16:49:51,101 INFO L226 Difference]: Without dead ends: 106 [2018-10-14 16:49:51,103 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-10-14 16:49:51,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-14 16:49:51,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 95. [2018-10-14 16:49:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-10-14 16:49:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-10-14 16:49:51,154 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 81 [2018-10-14 16:49:51,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:49:51,157 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-10-14 16:49:51,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-14 16:49:51,157 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-10-14 16:49:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-14 16:49:51,162 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:49:51,162 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:49:51,162 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:49:51,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:49:51,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1844338849, now seen corresponding path program 1 times [2018-10-14 16:49:51,164 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:49:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:49:51,962 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2018-10-14 16:49:52,156 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2018-10-14 16:49:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:49:52,917 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:49:52,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-10-14 16:49:52,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-10-14 16:49:52,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-10-14 16:49:52,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=923, Unknown=0, NotChecked=0, Total=992 [2018-10-14 16:49:52,922 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 32 states. [2018-10-14 16:49:55,002 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2018-10-14 16:49:55,355 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2018-10-14 16:49:55,585 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2018-10-14 16:49:56,001 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2018-10-14 16:49:56,295 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2018-10-14 16:49:56,572 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2018-10-14 16:49:56,854 WARN L179 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2018-10-14 16:49:57,151 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2018-10-14 16:49:57,662 WARN L179 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2018-10-14 16:49:57,907 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2018-10-14 16:49:58,524 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-14 16:49:58,719 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-14 16:49:59,042 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-10-14 16:49:59,288 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2018-10-14 16:49:59,514 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-10-14 16:49:59,671 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2018-10-14 16:50:00,254 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-10-14 16:50:00,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:00,495 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-10-14 16:50:00,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-10-14 16:50:00,496 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 94 [2018-10-14 16:50:00,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:00,498 INFO L225 Difference]: With dead ends: 119 [2018-10-14 16:50:00,499 INFO L226 Difference]: Without dead ends: 119 [2018-10-14 16:50:00,501 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=745, Invalid=3545, Unknown=0, NotChecked=0, Total=4290 [2018-10-14 16:50:00,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-10-14 16:50:00,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 108. [2018-10-14 16:50:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-10-14 16:50:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-10-14 16:50:00,512 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 94 [2018-10-14 16:50:00,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:00,513 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-10-14 16:50:00,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-10-14 16:50:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-10-14 16:50:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-14 16:50:00,515 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:00,516 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-10-14 16:50:00,516 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:00,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:00,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1068845170, now seen corresponding path program 2 times [2018-10-14 16:50:00,517 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:02,347 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2018-10-14 16:50:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:50:02,716 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:02,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-10-14 16:50:02,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-10-14 16:50:02,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-10-14 16:50:02,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1114, Unknown=0, NotChecked=0, Total=1190 [2018-10-14 16:50:02,719 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 35 states. [2018-10-14 16:50:04,613 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-14 16:50:04,960 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2018-10-14 16:50:05,255 WARN L179 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2018-10-14 16:50:05,610 WARN L179 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-14 16:50:06,127 WARN L179 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-14 16:50:06,679 WARN L179 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2018-10-14 16:50:07,429 WARN L179 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2018-10-14 16:50:07,946 WARN L179 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2018-10-14 16:50:08,394 WARN L179 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2018-10-14 16:50:08,841 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-10-14 16:50:09,064 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-14 16:50:09,307 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-14 16:50:09,516 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2018-10-14 16:50:09,758 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2018-10-14 16:50:10,514 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-14 16:50:10,844 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2018-10-14 16:50:11,219 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2018-10-14 16:50:11,546 WARN L179 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2018-10-14 16:50:11,776 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-14 16:50:11,933 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2018-10-14 16:50:12,116 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2018-10-14 16:50:12,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:12,741 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-10-14 16:50:12,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-10-14 16:50:12,741 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 107 [2018-10-14 16:50:12,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:12,745 INFO L225 Difference]: With dead ends: 132 [2018-10-14 16:50:12,745 INFO L226 Difference]: Without dead ends: 132 [2018-10-14 16:50:12,747 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=805, Invalid=4451, Unknown=0, NotChecked=0, Total=5256 [2018-10-14 16:50:12,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-10-14 16:50:12,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 121. [2018-10-14 16:50:12,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-10-14 16:50:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-10-14 16:50:12,758 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 107 [2018-10-14 16:50:12,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:12,759 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-10-14 16:50:12,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-10-14 16:50:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-10-14 16:50:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-14 16:50:12,761 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:12,761 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:50:12,762 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:12,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:12,762 INFO L82 PathProgramCache]: Analyzing trace with hash -2035327935, now seen corresponding path program 3 times [2018-10-14 16:50:12,763 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:14,241 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-14 16:50:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-14 16:50:14,798 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:14,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-10-14 16:50:14,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-10-14 16:50:14,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-10-14 16:50:14,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=984, Unknown=0, NotChecked=0, Total=1056 [2018-10-14 16:50:14,800 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 33 states. [2018-10-14 16:50:15,837 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-10-14 16:50:16,096 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-10-14 16:50:16,368 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-14 16:50:16,843 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-14 16:50:17,060 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-14 16:50:17,282 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-14 16:50:17,539 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-14 16:50:17,800 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2018-10-14 16:50:18,358 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2018-10-14 16:50:18,552 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2018-10-14 16:50:18,785 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2018-10-14 16:50:19,128 WARN L179 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2018-10-14 16:50:19,468 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2018-10-14 16:50:19,777 WARN L179 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2018-10-14 16:50:20,060 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2018-10-14 16:50:20,245 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2018-10-14 16:50:20,484 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2018-10-14 16:50:20,697 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2018-10-14 16:50:20,966 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2018-10-14 16:50:21,313 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2018-10-14 16:50:22,020 WARN L179 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2018-10-14 16:50:22,286 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 79 [2018-10-14 16:50:22,479 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2018-10-14 16:50:22,708 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2018-10-14 16:50:22,994 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2018-10-14 16:50:23,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:23,004 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-10-14 16:50:23,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-10-14 16:50:23,005 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 120 [2018-10-14 16:50:23,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:23,006 INFO L225 Difference]: With dead ends: 119 [2018-10-14 16:50:23,007 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:50:23,009 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=1029, Invalid=4083, Unknown=0, NotChecked=0, Total=5112 [2018-10-14 16:50:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:50:23,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:50:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:50:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:50:23,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2018-10-14 16:50:23,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:23,010 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:50:23,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-10-14 16:50:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:50:23,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:50:23,015 INFO L202 PluginConnector]: Adding new model openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:50:23 BoogieIcfgContainer [2018-10-14 16:50:23,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:50:23,016 INFO L168 Benchmark]: Toolchain (without parser) took 35494.87 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 366.0 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 47.5 MB). Peak memory consumption was 413.5 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:23,017 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:50:23,017 INFO L168 Benchmark]: Boogie Preprocessor took 70.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:50:23,018 INFO L168 Benchmark]: RCFGBuilder took 810.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:23,019 INFO L168 Benchmark]: TraceAbstraction took 34608.25 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 366.0 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.8 MB). Peak memory consumption was 381.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:23,022 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 0.23 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 70.53 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 810.98 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 34608.25 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 366.0 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.8 MB). Peak memory consumption was 381.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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, 92 locations, 1 error locations. SAFE Result, 34.5s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 27.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 228 SDtfs, 3344 SDslu, 2914 SDs, 0 SdLazy, 4068 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1701 ImplicationChecksByTransitivity, 26.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred 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, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 571357 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 10/82 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_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-50-23-033.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-50-23-033.csv Received shutdown request...