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/sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:44:05,961 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:44:05,963 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:44:05,980 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-10 15:44:06,036 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:44:06,045 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:44:06,045 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:44:06,046 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:44:06,046 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:44:06,046 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:44:06,047 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:44:06,047 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:44:06,047 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:44:06,048 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:44:06,048 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:44:06,048 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:44:06,048 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:44:06,048 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:44:06,049 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:44:06,050 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:44:06,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:44:06,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:44:06,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:44:06,112 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:44:06,113 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:44:06,113 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl [2018-10-10 15:44:06,114 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl' [2018-10-10 15:44:06,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:44:06,218 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:44:06,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:44:06,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:44:06,219 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:44:06,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:06" (1/1) ... [2018-10-10 15:44:06,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:06" (1/1) ... [2018-10-10 15:44:06,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:06" (1/1) ... [2018-10-10 15:44:06,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:06" (1/1) ... [2018-10-10 15:44:06,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:06" (1/1) ... [2018-10-10 15:44:06,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:06" (1/1) ... [2018-10-10 15:44:06,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:06" (1/1) ... [2018-10-10 15:44:06,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:44:06,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:44:06,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:44:06,329 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:44:06,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:06" (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 [2018-10-10 15:44:06,411 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:44:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:44:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:44:07,486 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:44:07,487 INFO L202 PluginConnector]: Adding new model sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:44:07 BoogieIcfgContainer [2018-10-10 15:44:07,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:44:07,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:44:07,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:44:07,492 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:44:07,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:06" (1/2) ... [2018-10-10 15:44:07,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8613b81 and model type sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:44:07, skipping insertion in model container [2018-10-10 15:44:07,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:44:07" (2/2) ... [2018-10-10 15:44:07,495 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl [2018-10-10 15:44:07,505 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:44:07,514 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:44:07,532 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:44:07,560 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:44:07,561 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:44:07,561 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:44:07,561 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:44:07,562 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:44:07,562 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:44:07,562 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:44:07,562 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:44:07,562 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:44:07,591 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-10 15:44:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-10 15:44:07,611 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:44:07,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:44:07,614 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:44:07,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:44:07,621 INFO L82 PathProgramCache]: Analyzing trace with hash 889248850, now seen corresponding path program 1 times [2018-10-10 15:44:07,685 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:44:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:44:08,595 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-10-10 15:44:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:44:08,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:44:08,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-10 15:44:08,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 15:44:08,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 15:44:08,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-10 15:44:08,774 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 10 states. [2018-10-10 15:44:09,455 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-10 15:44:10,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:44:10,165 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-10-10 15:44:10,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-10 15:44:10,169 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2018-10-10 15:44:10,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:44:10,186 INFO L225 Difference]: With dead ends: 225 [2018-10-10 15:44:10,186 INFO L226 Difference]: Without dead ends: 225 [2018-10-10 15:44:10,189 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2018-10-10 15:44:10,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-10-10 15:44:10,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 199. [2018-10-10 15:44:10,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-10-10 15:44:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-10-10 15:44:10,245 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 169 [2018-10-10 15:44:10,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:44:10,247 INFO L481 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-10-10 15:44:10,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 15:44:10,247 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-10-10 15:44:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-10 15:44:10,258 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:44:10,258 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:44:10,259 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:44:10,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:44:10,259 INFO L82 PathProgramCache]: Analyzing trace with hash 734083301, now seen corresponding path program 1 times [2018-10-10 15:44:10,260 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:44:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:44:13,840 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-10 15:44:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:44:14,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:44:14,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-10-10 15:44:14,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-10-10 15:44:14,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-10-10 15:44:14,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=2705, Unknown=0, NotChecked=0, Total=2862 [2018-10-10 15:44:14,804 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 54 states. [2018-10-10 15:44:19,541 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-10 15:44:20,697 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-10-10 15:44:24,018 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-10-10 15:44:24,280 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-10 15:44:24,507 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-10-10 15:44:24,775 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2018-10-10 15:44:25,080 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-10-10 15:44:25,375 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-10-10 15:44:25,561 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2018-10-10 15:44:25,810 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-10-10 15:44:26,007 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-10 15:44:26,334 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-10-10 15:44:26,636 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-10-10 15:44:27,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:44:27,381 INFO L93 Difference]: Finished difference Result 254 states and 254 transitions. [2018-10-10 15:44:27,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-10-10 15:44:27,382 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 198 [2018-10-10 15:44:27,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:44:27,388 INFO L225 Difference]: With dead ends: 254 [2018-10-10 15:44:27,388 INFO L226 Difference]: Without dead ends: 254 [2018-10-10 15:44:27,394 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3203 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=1570, Invalid=12472, Unknown=0, NotChecked=0, Total=14042 [2018-10-10 15:44:27,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-10-10 15:44:27,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 228. [2018-10-10 15:44:27,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-10-10 15:44:27,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 228 transitions. [2018-10-10 15:44:27,410 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 228 transitions. Word has length 198 [2018-10-10 15:44:27,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:44:27,411 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 228 transitions. [2018-10-10 15:44:27,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-10-10 15:44:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 228 transitions. [2018-10-10 15:44:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-10 15:44:27,415 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:44:27,416 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:44:27,416 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:44:27,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:44:27,417 INFO L82 PathProgramCache]: Analyzing trace with hash 500492594, now seen corresponding path program 2 times [2018-10-10 15:44:27,418 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:44:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:44:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:44:31,797 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:44:31,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-10-10 15:44:31,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-10-10 15:44:31,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-10-10 15:44:31,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=3844, Unknown=0, NotChecked=0, Total=4032 [2018-10-10 15:44:31,799 INFO L87 Difference]: Start difference. First operand 228 states and 228 transitions. Second operand 64 states. [2018-10-10 15:44:35,478 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2018-10-10 15:44:35,740 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2018-10-10 15:44:37,366 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-10-10 15:44:37,868 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2018-10-10 15:44:38,561 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2018-10-10 15:44:38,962 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2018-10-10 15:44:39,263 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2018-10-10 15:44:40,372 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2018-10-10 15:44:40,596 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2018-10-10 15:44:42,182 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2018-10-10 15:44:42,971 WARN L178 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2018-10-10 15:44:43,548 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2018-10-10 15:44:43,849 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2018-10-10 15:44:44,197 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2018-10-10 15:44:44,630 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2018-10-10 15:44:45,181 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2018-10-10 15:44:45,444 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2018-10-10 15:44:45,890 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2018-10-10 15:44:46,335 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2018-10-10 15:44:46,686 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-10 15:44:47,030 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2018-10-10 15:44:47,461 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-10-10 15:44:47,885 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-10 15:44:48,937 WARN L178 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2018-10-10 15:44:49,205 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-10 15:44:49,425 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-10-10 15:44:49,699 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2018-10-10 15:44:50,343 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2018-10-10 15:44:50,694 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-10 15:44:50,945 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-10 15:44:51,226 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2018-10-10 15:44:51,810 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-10 15:44:52,028 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-10 15:44:52,482 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2018-10-10 15:44:52,898 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2018-10-10 15:44:53,231 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-10 15:44:53,452 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2018-10-10 15:44:53,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:44:53,499 INFO L93 Difference]: Finished difference Result 283 states and 283 transitions. [2018-10-10 15:44:53,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-10-10 15:44:53,500 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 227 [2018-10-10 15:44:53,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:44:53,504 INFO L225 Difference]: With dead ends: 283 [2018-10-10 15:44:53,504 INFO L226 Difference]: Without dead ends: 283 [2018-10-10 15:44:53,509 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4526 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=1909, Invalid=18113, Unknown=0, NotChecked=0, Total=20022 [2018-10-10 15:44:53,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-10-10 15:44:53,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 257. [2018-10-10 15:44:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-10-10 15:44:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-10-10 15:44:53,525 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 227 [2018-10-10 15:44:53,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:44:53,526 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-10-10 15:44:53,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-10-10 15:44:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-10-10 15:44:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-10 15:44:53,531 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:44:53,531 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:44:53,531 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:44:53,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:44:53,532 INFO L82 PathProgramCache]: Analyzing trace with hash 311351301, now seen corresponding path program 3 times [2018-10-10 15:44:53,533 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:44:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:44:57,025 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-10 15:44:57,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:44:57,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2018-10-10 15:44:57,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-10-10 15:44:57,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-10-10 15:44:57,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=2801, Unknown=0, NotChecked=0, Total=2970 [2018-10-10 15:44:57,028 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 55 states. [2018-10-10 15:44:59,396 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2018-10-10 15:44:59,790 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2018-10-10 15:44:59,996 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2018-10-10 15:45:00,334 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2018-10-10 15:45:00,550 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2018-10-10 15:45:00,769 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2018-10-10 15:45:00,964 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2018-10-10 15:45:01,193 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2018-10-10 15:45:01,424 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2018-10-10 15:45:03,189 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2018-10-10 15:45:03,503 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2018-10-10 15:45:03,714 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2018-10-10 15:45:04,045 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2018-10-10 15:45:04,278 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2018-10-10 15:45:04,481 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2018-10-10 15:45:04,680 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2018-10-10 15:45:06,643 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2018-10-10 15:45:07,170 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2018-10-10 15:45:07,981 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2018-10-10 15:45:08,643 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2018-10-10 15:45:09,191 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2018-10-10 15:45:09,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:09,192 INFO L93 Difference]: Finished difference Result 183 states and 182 transitions. [2018-10-10 15:45:09,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-10-10 15:45:09,193 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 256 [2018-10-10 15:45:09,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:09,193 INFO L225 Difference]: With dead ends: 183 [2018-10-10 15:45:09,193 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:45:09,196 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2268 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=1649, Invalid=11233, Unknown=0, NotChecked=0, Total=12882 [2018-10-10 15:45:09,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:45:09,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:45:09,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:45:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:45:09,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 256 [2018-10-10 15:45:09,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:09,198 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:45:09,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-10-10 15:45:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:45:09,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:45:09,202 INFO L202 PluginConnector]: Adding new model sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:45:09 BoogieIcfgContainer [2018-10-10 15:45:09,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:45:09,203 INFO L168 Benchmark]: Toolchain (without parser) took 62986.03 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 545.3 MB). Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -314.6 MB). Peak memory consumption was 230.6 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:09,204 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-10 15:45:09,205 INFO L168 Benchmark]: Boogie Preprocessor took 106.40 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. [2018-10-10 15:45:09,205 INFO L168 Benchmark]: RCFGBuilder took 1161.50 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:09,206 INFO L168 Benchmark]: TraceAbstraction took 61713.73 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 545.3 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -367.5 MB). Peak memory consumption was 177.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:09,210 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 0.19 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 106.40 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 1161.50 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61713.73 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 545.3 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -367.5 MB). Peak memory consumption was 177.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 300]: 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, 199 locations, 1 error locations. SAFE Result, 61.6s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 47.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 342 SDtfs, 7353 SDslu, 5649 SDs, 0 SdLazy, 16563 SolverSat, 614 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 29 SyntacticMatches, 11 SemanticMatches, 386 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10052 ImplicationChecksByTransitivity, 40.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred 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, 78 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 850 NumberOfCodeBlocks, 850 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 846 ConstructedInterpolants, 0 QuantifiedInterpolants, 2940078 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 93/128 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/sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-45-09-221.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-45-09-221.csv Received shutdown request...