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/hhk2008_true-unreach-call_true-termination.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2d08e6e [2018-10-15 12:35:26,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 12:35:26,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 12:35:26,046 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 12:35:26,046 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 12:35:26,047 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 12:35:26,048 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 12:35:26,051 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 12:35:26,052 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 12:35:26,053 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 12:35:26,054 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-15 12:35:26,084 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 12:35:26,098 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 12:35:26,098 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 12:35:26,099 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 12:35:26,099 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 12:35:26,099 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 12:35:26,099 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 12:35:26,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 12:35:26,100 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 12:35:26,101 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 12:35:26,101 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 12:35:26,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 12:35:26,101 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 12:35:26,101 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 12:35:26,102 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 12:35:26,103 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 12:35:26,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 12:35:26,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 12:35:26,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 12:35:26,179 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 12:35:26,180 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 12:35:26,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/hhk2008_true-unreach-call_true-termination.c.i_3.bpl [2018-10-15 12:35:26,181 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/hhk2008_true-unreach-call_true-termination.c.i_3.bpl' [2018-10-15 12:35:26,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 12:35:26,234 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-15 12:35:26,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 12:35:26,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 12:35:26,236 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 12:35:26,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:26" (1/1) ... [2018-10-15 12:35:26,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:26" (1/1) ... [2018-10-15 12:35:26,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:26" (1/1) ... [2018-10-15 12:35:26,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:26" (1/1) ... [2018-10-15 12:35:26,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:26" (1/1) ... [2018-10-15 12:35:26,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:26" (1/1) ... [2018-10-15 12:35:26,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:26" (1/1) ... [2018-10-15 12:35:26,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 12:35:26,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 12:35:26,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 12:35:26,284 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 12:35:26,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:26" (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 12:35:26,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-15 12:35:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 12:35:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 12:35:26,793 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 12:35:26,795 INFO L202 PluginConnector]: Adding new model hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:35:26 BoogieIcfgContainer [2018-10-15 12:35:26,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 12:35:26,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 12:35:26,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 12:35:26,800 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 12:35:26,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:35:26" (1/2) ... [2018-10-15 12:35:26,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a41ab4 and model type hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:35:26, skipping insertion in model container [2018-10-15 12:35:26,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:35:26" (2/2) ... [2018-10-15 12:35:26,804 INFO L112 eAbstractionObserver]: Analyzing ICFG hhk2008_true-unreach-call_true-termination.c.i_3.bpl [2018-10-15 12:35:26,816 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 12:35:26,826 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 12:35:26,849 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 12:35:26,879 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 12:35:26,880 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 12:35:26,880 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 12:35:26,880 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 12:35:26,880 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 12:35:26,880 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 12:35:26,881 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 12:35:26,881 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 12:35:26,881 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 12:35:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-10-15 12:35:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-15 12:35:26,915 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:35:26,916 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] [2018-10-15 12:35:26,917 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:35:26,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:35:26,925 INFO L82 PathProgramCache]: Analyzing trace with hash 2133805840, now seen corresponding path program 1 times [2018-10-15 12:35:26,976 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:35:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:35:27,506 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 12:35:27,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 12:35:27,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-15 12:35:27,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-15 12:35:27,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-15 12:35:27,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-15 12:35:27,535 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 8 states. [2018-10-15 12:35:28,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:35:28,218 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-10-15 12:35:28,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-15 12:35:28,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-10-15 12:35:28,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:35:28,232 INFO L225 Difference]: With dead ends: 30 [2018-10-15 12:35:28,233 INFO L226 Difference]: Without dead ends: 26 [2018-10-15 12:35:28,235 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-10-15 12:35:28,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-10-15 12:35:28,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2018-10-15 12:35:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-10-15 12:35:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-10-15 12:35:28,273 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2018-10-15 12:35:28,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:35:28,274 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-10-15 12:35:28,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-15 12:35:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-10-15 12:35:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-15 12:35:28,275 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:35:28,276 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] [2018-10-15 12:35:28,276 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:35:28,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:35:28,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1047854087, now seen corresponding path program 1 times [2018-10-15 12:35:28,278 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:35:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:35:28,900 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 12:35:28,900 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:35:28,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-15 12:35:28,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-15 12:35:28,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-15 12:35:28,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-15 12:35:28,906 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 10 states. [2018-10-15 12:35:29,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:35:29,189 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-10-15 12:35:29,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-15 12:35:29,190 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-10-15 12:35:29,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:35:29,192 INFO L225 Difference]: With dead ends: 32 [2018-10-15 12:35:29,192 INFO L226 Difference]: Without dead ends: 28 [2018-10-15 12:35:29,194 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-10-15 12:35:29,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-10-15 12:35:29,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-10-15 12:35:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-10-15 12:35:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-10-15 12:35:29,201 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 23 [2018-10-15 12:35:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:35:29,201 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-10-15 12:35:29,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-15 12:35:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-10-15 12:35:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-15 12:35:29,202 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:35:29,202 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:35:29,203 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:35:29,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:35:29,203 INFO L82 PathProgramCache]: Analyzing trace with hash -245483920, now seen corresponding path program 2 times [2018-10-15 12:35:29,204 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:35:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:35:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-15 12:35:29,555 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 12:35:29,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-10-15 12:35:29,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-15 12:35:29,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-15 12:35:29,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-10-15 12:35:29,557 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 11 states. [2018-10-15 12:35:29,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:35:29,988 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-10-15 12:35:29,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-15 12:35:29,989 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-10-15 12:35:29,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:35:29,990 INFO L225 Difference]: With dead ends: 25 [2018-10-15 12:35:29,990 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 12:35:29,991 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2018-10-15 12:35:29,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 12:35:29,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 12:35:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 12:35:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 12:35:29,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-10-15 12:35:29,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:35:29,993 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 12:35:29,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-15 12:35:29,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 12:35:29,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 12:35:29,998 INFO L202 PluginConnector]: Adding new model hhk2008_true-unreach-call_true-termination.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 12:35:29 BoogieIcfgContainer [2018-10-15 12:35:29,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 12:35:30,000 INFO L168 Benchmark]: Toolchain (without parser) took 3766.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 169.2 MB). Peak memory consumption was 169.2 MB. Max. memory is 7.1 GB. [2018-10-15 12:35:30,002 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-10-15 12:35:30,003 INFO L168 Benchmark]: Boogie Preprocessor took 48.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-15 12:35:30,004 INFO L168 Benchmark]: RCFGBuilder took 511.24 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-15 12:35:30,005 INFO L168 Benchmark]: TraceAbstraction took 3202.49 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: 137.5 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. [2018-10-15 12:35:30,009 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 0.22 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 48.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 511.24 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3202.49 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: 137.5 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: 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, 25 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 55 SDslu, 202 SDs, 0 SdLazy, 235 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.0s 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, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 7421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/6 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/hhk2008_true-unreach-call_true-termination.c.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-15_12-35-30-022.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/hhk2008_true-unreach-call_true-termination.c.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_12-35-30-022.csv Received shutdown request...