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/20181015-LoopsPathprograms/nest-if3_true-unreach-call_true-termination.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2d08e6e [2018-10-15 12:35:49,165 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 12:35:49,167 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 12:35:49,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 12:35:49,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 12:35:49,183 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 12:35:49,185 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 12:35:49,189 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 12:35:49,191 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 12:35:49,192 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 12:35:49,193 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-15 12:35:49,193 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-15 12:35:49,194 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-15 12:35:49,195 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-15 12:35:49,196 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-15 12:35:49,197 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-15 12:35:49,198 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-15 12:35:49,200 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-15 12:35:49,202 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-15 12:35:49,203 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-15 12:35:49,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-15 12:35:49,205 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-15 12:35:49,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-15 12:35:49,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-15 12:35:49,208 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-15 12:35:49,209 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-15 12:35:49,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-15 12:35:49,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-15 12:35:49,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-15 12:35:49,213 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-15 12:35:49,213 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-15 12:35:49,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-15 12:35:49,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-15 12:35:49,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-15 12:35:49,215 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-15 12:35:49,216 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-15 12:35:49,216 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-15 12:35:49,234 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 12:35:49,234 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 12:35:49,235 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 12:35:49,235 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 12:35:49,235 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 12:35:49,235 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 12:35:49,236 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 12:35:49,236 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 12:35:49,236 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 12:35:49,237 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 12:35:49,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 12:35:49,237 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 12:35:49,238 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 12:35:49,239 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 12:35:49,240 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 12:35:49,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 12:35:49,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 12:35:49,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 12:35:49,330 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 12:35:49,331 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 12:35:49,332 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nest-if3_true-unreach-call_true-termination.i_2.bpl [2018-10-15 12:35:49,332 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nest-if3_true-unreach-call_true-termination.i_2.bpl' [2018-10-15 12:35:49,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 12:35:49,395 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-15 12:35:49,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 12:35:49,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 12:35:49,396 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 12:35:49,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:49" (1/1) ... [2018-10-15 12:35:49,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:49" (1/1) ... [2018-10-15 12:35:49,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:49" (1/1) ... [2018-10-15 12:35:49,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:49" (1/1) ... [2018-10-15 12:35:49,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:49" (1/1) ... [2018-10-15 12:35:49,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:49" (1/1) ... [2018-10-15 12:35:49,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:49" (1/1) ... [2018-10-15 12:35:49,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 12:35:49,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 12:35:49,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 12:35:49,451 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 12:35:49,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:49" (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 [2018-10-15 12:35:49,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-15 12:35:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 12:35:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 12:35:49,873 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 12:35:49,874 INFO L202 PluginConnector]: Adding new model nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:35:49 BoogieIcfgContainer [2018-10-15 12:35:49,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 12:35:49,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 12:35:49,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 12:35:49,878 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 12:35:49,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:49" (1/2) ... [2018-10-15 12:35:49,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be04f14 and model type nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:35:49, skipping insertion in model container [2018-10-15 12:35:49,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:35:49" (2/2) ... [2018-10-15 12:35:49,882 INFO L112 eAbstractionObserver]: Analyzing ICFG nest-if3_true-unreach-call_true-termination.i_2.bpl [2018-10-15 12:35:49,892 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 12:35:49,900 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 12:35:49,918 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 12:35:49,947 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 12:35:49,947 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 12:35:49,948 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 12:35:49,948 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 12:35:49,948 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 12:35:49,948 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 12:35:49,948 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 12:35:49,949 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 12:35:49,949 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 12:35:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-10-15 12:35:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-15 12:35:49,975 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:35:49,976 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] [2018-10-15 12:35:49,977 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:35:49,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:35:49,983 INFO L82 PathProgramCache]: Analyzing trace with hash -694632850, now seen corresponding path program 1 times [2018-10-15 12:35:50,042 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:35:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:35:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 12:35:50,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 12:35:50,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-15 12:35:50,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-15 12:35:50,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-15 12:35:50,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-15 12:35:50,303 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 6 states. [2018-10-15 12:35:50,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:35:50,707 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-10-15 12:35:50,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-15 12:35:50,709 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-10-15 12:35:50,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:35:50,729 INFO L225 Difference]: With dead ends: 39 [2018-10-15 12:35:50,729 INFO L226 Difference]: Without dead ends: 39 [2018-10-15 12:35:50,732 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-10-15 12:35:50,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-10-15 12:35:50,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2018-10-15 12:35:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-10-15 12:35:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-10-15 12:35:50,779 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 24 [2018-10-15 12:35:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:35:50,780 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-10-15 12:35:50,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-15 12:35:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-10-15 12:35:50,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-15 12:35:50,783 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:35:50,783 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] [2018-10-15 12:35:50,783 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:35:50,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:35:50,785 INFO L82 PathProgramCache]: Analyzing trace with hash 2073955250, now seen corresponding path program 1 times [2018-10-15 12:35:50,786 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:35:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:35:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 12:35:51,033 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:35:51,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-10-15 12:35:51,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-15 12:35:51,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-15 12:35:51,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-15 12:35:51,039 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 9 states. [2018-10-15 12:35:51,456 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2018-10-15 12:35:51,830 WARN L179 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 14 [2018-10-15 12:35:52,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:35:52,199 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-10-15 12:35:52,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-15 12:35:52,199 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-10-15 12:35:52,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:35:52,200 INFO L225 Difference]: With dead ends: 36 [2018-10-15 12:35:52,200 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 12:35:52,202 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2018-10-15 12:35:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 12:35:52,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 12:35:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 12:35:52,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 12:35:52,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-10-15 12:35:52,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:35:52,204 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 12:35:52,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-15 12:35:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 12:35:52,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 12:35:52,210 INFO L202 PluginConnector]: Adding new model nest-if3_true-unreach-call_true-termination.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 12:35:52 BoogieIcfgContainer [2018-10-15 12:35:52,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 12:35:52,211 INFO L168 Benchmark]: Toolchain (without parser) took 2817.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-10-15 12:35:52,212 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-15 12:35:52,213 INFO L168 Benchmark]: Boogie Preprocessor took 54.57 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. [2018-10-15 12:35:52,214 INFO L168 Benchmark]: RCFGBuilder took 423.41 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-15 12:35:52,215 INFO L168 Benchmark]: TraceAbstraction took 2335.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2018-10-15 12:35:52,219 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.57 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 423.41 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2335.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 55]: 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, 30 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 65 SDslu, 180 SDs, 0 SdLazy, 82 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 3469 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/5 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/nest-if3_true-unreach-call_true-termination.i_2.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-15_12-35-52-231.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nest-if3_true-unreach-call_true-termination.i_2.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_12-35-52-231.csv Received shutdown request...