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/sum01_true-unreach-call_true-termination.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2d08e6e [2018-10-15 12:45:16,929 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 12:45:16,931 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 12:45:16,946 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 12:45:16,946 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 12:45:16,948 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 12:45:16,949 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 12:45:16,951 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 12:45:16,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 12:45:16,953 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 12:45:16,954 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-15 12:45:16,990 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 12:45:17,006 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 12:45:17,006 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 12:45:17,008 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 12:45:17,008 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 12:45:17,008 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 12:45:17,009 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 12:45:17,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 12:45:17,010 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 12:45:17,010 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 12:45:17,010 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 12:45:17,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 12:45:17,011 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 12:45:17,011 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 12:45:17,012 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 12:45:17,013 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 12:45:17,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 12:45:17,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 12:45:17,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 12:45:17,101 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 12:45:17,101 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 12:45:17,102 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/sum01_true-unreach-call_true-termination.i_3.bpl [2018-10-15 12:45:17,102 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/sum01_true-unreach-call_true-termination.i_3.bpl' [2018-10-15 12:45:17,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 12:45:17,161 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-15 12:45:17,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 12:45:17,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 12:45:17,162 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 12:45:17,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:45:17" (1/1) ... [2018-10-15 12:45:17,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:45:17" (1/1) ... [2018-10-15 12:45:17,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:45:17" (1/1) ... [2018-10-15 12:45:17,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:45:17" (1/1) ... [2018-10-15 12:45:17,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:45:17" (1/1) ... [2018-10-15 12:45:17,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:45:17" (1/1) ... [2018-10-15 12:45:17,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:45:17" (1/1) ... [2018-10-15 12:45:17,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 12:45:17,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 12:45:17,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 12:45:17,211 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 12:45:17,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:45:17" (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 12:45:17,281 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-15 12:45:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 12:45:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 12:45:17,575 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 12:45:17,576 INFO L202 PluginConnector]: Adding new model sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:45:17 BoogieIcfgContainer [2018-10-15 12:45:17,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 12:45:17,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 12:45:17,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 12:45:17,590 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 12:45:17,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:45:17" (1/2) ... [2018-10-15 12:45:17,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e4ac224 and model type sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:45:17, skipping insertion in model container [2018-10-15 12:45:17,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:45:17" (2/2) ... [2018-10-15 12:45:17,593 INFO L112 eAbstractionObserver]: Analyzing ICFG sum01_true-unreach-call_true-termination.i_3.bpl [2018-10-15 12:45:17,607 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 12:45:17,631 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 12:45:17,667 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 12:45:17,702 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 12:45:17,703 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 12:45:17,703 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 12:45:17,704 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 12:45:17,704 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 12:45:17,704 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 12:45:17,704 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 12:45:17,704 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 12:45:17,705 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 12:45:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-15 12:45:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-15 12:45:17,737 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:45:17,738 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:45:17,743 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:45:17,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:45:17,752 INFO L82 PathProgramCache]: Analyzing trace with hash 270064788, now seen corresponding path program 1 times [2018-10-15 12:45:17,801 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:45:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:45:18,010 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 12:45:18,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 12:45:18,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-15 12:45:18,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-15 12:45:18,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-15 12:45:18,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-15 12:45:18,033 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 6 states. [2018-10-15 12:45:18,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:45:18,194 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-10-15 12:45:18,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-15 12:45:18,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-10-15 12:45:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:45:18,208 INFO L225 Difference]: With dead ends: 28 [2018-10-15 12:45:18,208 INFO L226 Difference]: Without dead ends: 23 [2018-10-15 12:45:18,210 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-15 12:45:18,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-10-15 12:45:18,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2018-10-15 12:45:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-10-15 12:45:18,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-10-15 12:45:18,246 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 16 [2018-10-15 12:45:18,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:45:18,247 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-10-15 12:45:18,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-15 12:45:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-10-15 12:45:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-15 12:45:18,248 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:45:18,248 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] [2018-10-15 12:45:18,248 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:45:18,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:45:18,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1688550564, now seen corresponding path program 1 times [2018-10-15 12:45:18,250 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:45:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:45:18,731 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-10-15 12:45:19,002 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-10-15 12:45:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 12:45:19,266 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:45:19,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-10-15 12:45:19,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-15 12:45:19,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-15 12:45:19,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-10-15 12:45:19,269 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 12 states. [2018-10-15 12:45:19,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:45:19,966 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-10-15 12:45:19,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-15 12:45:19,966 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 21 [2018-10-15 12:45:19,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:45:19,967 INFO L225 Difference]: With dead ends: 33 [2018-10-15 12:45:19,968 INFO L226 Difference]: Without dead ends: 28 [2018-10-15 12:45:19,969 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2018-10-15 12:45:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-10-15 12:45:19,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-10-15 12:45:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-10-15 12:45:19,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-10-15 12:45:19,974 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 21 [2018-10-15 12:45:19,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:45:19,975 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-10-15 12:45:19,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-15 12:45:19,975 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-10-15 12:45:19,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-15 12:45:19,976 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:45:19,977 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:45:19,977 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:45:19,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:45:19,978 INFO L82 PathProgramCache]: Analyzing trace with hash -199072108, now seen corresponding path program 2 times [2018-10-15 12:45:19,979 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:45:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:45:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-15 12:45:20,380 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:45:20,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-10-15 12:45:20,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-15 12:45:20,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-15 12:45:20,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-10-15 12:45:20,382 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 13 states. [2018-10-15 12:45:20,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:45:20,959 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-10-15 12:45:20,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-15 12:45:20,959 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 26 [2018-10-15 12:45:20,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:45:20,960 INFO L225 Difference]: With dead ends: 25 [2018-10-15 12:45:20,960 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 12:45:20,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2018-10-15 12:45:20,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 12:45:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 12:45:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 12:45:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 12:45:20,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-10-15 12:45:20,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:45:20,963 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 12:45:20,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-15 12:45:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 12:45:20,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 12:45:20,969 INFO L202 PluginConnector]: Adding new model sum01_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 12:45:20 BoogieIcfgContainer [2018-10-15 12:45:20,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 12:45:20,970 INFO L168 Benchmark]: Toolchain (without parser) took 3810.63 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: 179.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 7.1 GB. [2018-10-15 12:45:20,972 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 12:45:20,972 INFO L168 Benchmark]: Boogie Preprocessor took 49.06 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 12:45:20,973 INFO L168 Benchmark]: RCFGBuilder took 365.83 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 12:45:20,975 INFO L168 Benchmark]: TraceAbstraction took 3386.29 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: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 7.1 GB. [2018-10-15 12:45:20,978 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 49.06 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 365.83 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 3386.29 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: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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, 23 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 41 SDtfs, 50 SDslu, 204 SDs, 0 SdLazy, 235 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=2, 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 9620 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/8 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/sum01_true-unreach-call_true-termination.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-15_12-45-20-990.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sum01_true-unreach-call_true-termination.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_12-45-20-990.csv Received shutdown request...