java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:48:41,933 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:48:41,935 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:48:41,947 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:48:41,948 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:48:41,949 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:48:41,950 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:48:41,952 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:48:41,953 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:48:41,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:48:41,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:48:41,957 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:48:41,960 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:48:41,961 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:48:41,964 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:48:41,965 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:48:41,966 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:48:41,976 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:48:41,978 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:48:41,979 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:48:41,983 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:48:41,984 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:48:41,987 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-14 16:48:42,002 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 16:48:42,002 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 16:48:42,004 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 16:48:42,005 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 16:48:42,005 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 16:48:42,014 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:48:42,015 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:48:42,016 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:48:42,016 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:48:42,016 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:48:42,016 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:48:42,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:48:42,017 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:48:42,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:48:42,018 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:48:42,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:48:42,018 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:48:42,018 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:48:42,019 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:48:42,019 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:48:42,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:48:42,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:48:42,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:48:42,087 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:48:42,087 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:48:42,088 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl [2018-10-14 16:48:42,088 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl' [2018-10-14 16:48:42,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:48:42,192 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:48:42,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:48:42,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:48:42,193 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:48:42,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:48:42" (1/1) ... [2018-10-14 16:48:42,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:48:42" (1/1) ... [2018-10-14 16:48:42,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:48:42" (1/1) ... [2018-10-14 16:48:42,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:48:42" (1/1) ... [2018-10-14 16:48:42,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:48:42" (1/1) ... [2018-10-14 16:48:42,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:48:42" (1/1) ... [2018-10-14 16:48:42,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:48:42" (1/1) ... [2018-10-14 16:48:42,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:48:42,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:48:42,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:48:42,298 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:48:42,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:48:42" (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 16:48:42,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:48:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:48:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:48:43,346 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:48:43,347 INFO L202 PluginConnector]: Adding new model openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:48:43 BoogieIcfgContainer [2018-10-14 16:48:43,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:48:43,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:48:43,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:48:43,351 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:48:43,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:48:42" (1/2) ... [2018-10-14 16:48:43,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293698f6 and model type openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:48:43, skipping insertion in model container [2018-10-14 16:48:43,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:48:43" (2/2) ... [2018-10-14 16:48:43,355 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl [2018-10-14 16:48:43,365 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:48:43,377 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:48:43,395 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:48:43,430 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:48:43,431 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:48:43,431 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:48:43,431 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:48:43,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:48:43,431 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:48:43,431 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:48:43,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:48:43,432 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:48:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-10-14 16:48:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-14 16:48:43,490 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:48:43,493 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:48:43,495 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:48:43,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:48:43,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1242541775, now seen corresponding path program 1 times [2018-10-14 16:48:43,553 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:48:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:48:45,106 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-14 16:48:45,893 WARN L179 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2018-10-14 16:48:47,300 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 16:48:47,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:48:47,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2018-10-14 16:48:47,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-10-14 16:48:47,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-10-14 16:48:47,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1101, Unknown=0, NotChecked=0, Total=1190 [2018-10-14 16:48:47,328 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 35 states. [2018-10-14 16:48:50,643 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-10-14 16:48:50,997 WARN L179 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2018-10-14 16:48:51,334 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2018-10-14 16:48:51,845 WARN L179 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2018-10-14 16:48:52,282 WARN L179 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2018-10-14 16:48:52,797 WARN L179 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2018-10-14 16:48:53,167 WARN L179 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2018-10-14 16:48:53,889 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-14 16:48:54,486 WARN L179 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2018-10-14 16:48:54,823 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2018-10-14 16:48:55,088 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2018-10-14 16:48:55,338 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-10-14 16:48:55,632 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2018-10-14 16:48:55,925 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-10-14 16:48:56,273 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-14 16:48:57,025 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2018-10-14 16:48:57,210 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-10-14 16:48:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:48:57,559 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-10-14 16:48:57,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-10-14 16:48:57,565 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 138 [2018-10-14 16:48:57,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:48:57,586 INFO L225 Difference]: With dead ends: 167 [2018-10-14 16:48:57,586 INFO L226 Difference]: Without dead ends: 167 [2018-10-14 16:48:57,590 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=627, Invalid=4629, Unknown=0, NotChecked=0, Total=5256 [2018-10-14 16:48:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-10-14 16:48:57,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 154. [2018-10-14 16:48:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-10-14 16:48:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 154 transitions. [2018-10-14 16:48:57,654 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 154 transitions. Word has length 138 [2018-10-14 16:48:57,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:48:57,658 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 154 transitions. [2018-10-14 16:48:57,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-10-14 16:48:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 154 transitions. [2018-10-14 16:48:57,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-14 16:48:57,667 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:48:57,668 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:48:57,668 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:48:57,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:48:57,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1931521636, now seen corresponding path program 1 times [2018-10-14 16:48:57,670 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:48:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:48:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:48:59,510 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:48:59,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-10-14 16:48:59,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-14 16:48:59,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-14 16:48:59,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1251, Unknown=0, NotChecked=0, Total=1332 [2018-10-14 16:48:59,514 INFO L87 Difference]: Start difference. First operand 154 states and 154 transitions. Second operand 37 states. [2018-10-14 16:49:01,130 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-14 16:49:01,956 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-10-14 16:49:02,221 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-14 16:49:02,545 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-14 16:49:02,734 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-14 16:49:03,045 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-10-14 16:49:03,240 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-14 16:49:04,483 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2018-10-14 16:49:05,374 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2018-10-14 16:49:05,612 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2018-10-14 16:49:05,984 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-10-14 16:49:06,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:49:06,847 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-10-14 16:49:06,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-10-14 16:49:06,848 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 153 [2018-10-14 16:49:06,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:49:06,852 INFO L225 Difference]: With dead ends: 182 [2018-10-14 16:49:06,852 INFO L226 Difference]: Without dead ends: 182 [2018-10-14 16:49:06,854 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=538, Invalid=5624, Unknown=0, NotChecked=0, Total=6162 [2018-10-14 16:49:06,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-10-14 16:49:06,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 169. [2018-10-14 16:49:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-10-14 16:49:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-10-14 16:49:06,867 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 153 [2018-10-14 16:49:06,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:49:06,868 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-10-14 16:49:06,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-10-14 16:49:06,868 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-10-14 16:49:06,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-14 16:49:06,871 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:49:06,871 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:49:06,871 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:49:06,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:49:06,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1644694993, now seen corresponding path program 2 times [2018-10-14 16:49:06,873 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:49:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:49:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:49:09,012 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:49:09,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-10-14 16:49:09,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-10-14 16:49:09,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-10-14 16:49:09,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1620, Unknown=0, NotChecked=0, Total=1722 [2018-10-14 16:49:09,014 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 42 states. [2018-10-14 16:49:11,721 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-14 16:49:11,930 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-14 16:49:12,164 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-10-14 16:49:12,368 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-14 16:49:13,823 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2018-10-14 16:49:14,638 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2018-10-14 16:49:14,904 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2018-10-14 16:49:15,203 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2018-10-14 16:49:15,479 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2018-10-14 16:49:15,659 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2018-10-14 16:49:16,131 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-10-14 16:49:16,355 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-10-14 16:49:16,609 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2018-10-14 16:49:17,061 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2018-10-14 16:49:17,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:49:17,742 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-10-14 16:49:17,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-10-14 16:49:17,743 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 168 [2018-10-14 16:49:17,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:49:17,748 INFO L225 Difference]: With dead ends: 197 [2018-10-14 16:49:17,748 INFO L226 Difference]: Without dead ends: 197 [2018-10-14 16:49:17,751 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1365 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=667, Invalid=7165, Unknown=0, NotChecked=0, Total=7832 [2018-10-14 16:49:17,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-10-14 16:49:17,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 184. [2018-10-14 16:49:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-10-14 16:49:17,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2018-10-14 16:49:17,762 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 168 [2018-10-14 16:49:17,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:49:17,763 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2018-10-14 16:49:17,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-10-14 16:49:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2018-10-14 16:49:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-14 16:49:17,766 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:49:17,766 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:49:17,767 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:49:17,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:49:17,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1778565372, now seen corresponding path program 3 times [2018-10-14 16:49:17,768 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:49:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:49:18,339 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-14 16:49:18,534 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-14 16:49:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:49:19,943 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:49:19,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-10-14 16:49:19,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-10-14 16:49:19,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-10-14 16:49:19,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1702, Unknown=0, NotChecked=0, Total=1806 [2018-10-14 16:49:19,945 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand 43 states. [2018-10-14 16:49:22,630 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-14 16:49:22,878 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-14 16:49:23,107 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-10-14 16:49:23,306 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-14 16:49:24,332 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-14 16:49:24,636 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2018-10-14 16:49:25,274 WARN L179 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-10-14 16:49:25,831 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-14 16:49:26,038 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-10-14 16:49:26,693 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2018-10-14 16:49:26,899 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2018-10-14 16:49:27,614 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2018-10-14 16:49:27,905 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2018-10-14 16:49:28,172 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2018-10-14 16:49:28,418 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2018-10-14 16:49:28,661 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2018-10-14 16:49:29,010 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2018-10-14 16:49:29,437 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2018-10-14 16:49:29,633 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2018-10-14 16:49:30,567 WARN L179 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2018-10-14 16:49:30,854 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2018-10-14 16:49:31,072 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2018-10-14 16:49:31,286 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-10-14 16:49:31,487 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-14 16:49:31,650 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2018-10-14 16:49:31,859 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2018-10-14 16:49:32,087 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2018-10-14 16:49:32,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:49:32,123 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-10-14 16:49:32,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-10-14 16:49:32,124 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 183 [2018-10-14 16:49:32,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:49:32,125 INFO L225 Difference]: With dead ends: 195 [2018-10-14 16:49:32,125 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:49:32,129 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2002 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=1321, Invalid=8981, Unknown=0, NotChecked=0, Total=10302 [2018-10-14 16:49:32,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:49:32,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:49:32,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:49:32,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:49:32,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2018-10-14 16:49:32,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:49:32,130 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:49:32,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-10-14 16:49:32,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:49:32,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:49:32,135 INFO L202 PluginConnector]: Adding new model openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:49:32 BoogieIcfgContainer [2018-10-14 16:49:32,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:49:32,136 INFO L168 Benchmark]: Toolchain (without parser) took 49945.06 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 479.7 MB). Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -375.2 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. [2018-10-14 16:49:32,137 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 16:49:32,137 INFO L168 Benchmark]: Boogie Preprocessor took 104.34 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 16:49:32,138 INFO L168 Benchmark]: RCFGBuilder took 1049.51 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-14 16:49:32,139 INFO L168 Benchmark]: TraceAbstraction took 48786.65 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 479.7 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -417.5 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. [2018-10-14 16:49:32,142 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 0.21 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 104.34 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 1049.51 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48786.65 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 479.7 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -417.5 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 249]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 146 locations, 1 error locations. SAFE Result, 48.7s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 38.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 335 SDtfs, 3374 SDslu, 7913 SDs, 0 SdLazy, 10288 SolverSat, 238 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 351 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 335 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5432 ImplicationChecksByTransitivity, 33.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 39 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 642 NumberOfCodeBlocks, 642 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 2125295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 19/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-49-32-152.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-49-32-152.csv Received shutdown request...