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_37.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:11:17,443 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:11:17,446 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:11:17,457 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-12 21:11:17,506 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 21:11:17,521 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:11:17,522 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:11:17,522 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:11:17,523 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:11:17,523 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:11:17,523 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:11:17,524 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:11:17,524 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:11:17,524 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:11:17,525 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:11:17,525 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:11:17,525 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:11:17,525 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:11:17,526 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:11:17,526 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:11:17,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:11:17,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:11:17,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:11:17,587 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:11:17,588 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:11:17,589 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl [2018-10-12 21:11:17,589 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl' [2018-10-12 21:11:17,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:11:17,685 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:11:17,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:11:17,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:11:17,686 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:11:17,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:11:17" (1/1) ... [2018-10-12 21:11:17,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:11:17" (1/1) ... [2018-10-12 21:11:17,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:11:17" (1/1) ... [2018-10-12 21:11:17,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:11:17" (1/1) ... [2018-10-12 21:11:17,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:11:17" (1/1) ... [2018-10-12 21:11:17,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:11:17" (1/1) ... [2018-10-12 21:11:17,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:11:17" (1/1) ... [2018-10-12 21:11:17,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:11:17,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:11:17,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:11:17,785 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:11:17,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:11:17" (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 [2018-10-12 21:11:17,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:11:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:11:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:11:18,890 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:11:18,891 INFO L202 PluginConnector]: Adding new model sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:11:18 BoogieIcfgContainer [2018-10-12 21:11:18,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:11:18,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:11:18,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:11:18,897 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:11:18,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:11:17" (1/2) ... [2018-10-12 21:11:18,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14588bb5 and model type sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:11:18, skipping insertion in model container [2018-10-12 21:11:18,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:11:18" (2/2) ... [2018-10-12 21:11:18,901 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl [2018-10-12 21:11:18,911 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:11:18,920 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:11:18,938 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:11:18,968 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:11:18,969 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:11:18,969 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:11:18,969 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:11:18,969 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:11:18,970 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:11:18,970 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:11:18,970 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:11:18,970 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:11:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2018-10-12 21:11:19,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-12 21:11:19,011 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:11:19,012 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] [2018-10-12 21:11:19,013 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:11:19,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:11:19,020 INFO L82 PathProgramCache]: Analyzing trace with hash 876979851, now seen corresponding path program 1 times [2018-10-12 21:11:19,085 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:11:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:11:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:11:20,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:11:21,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-12 21:11:21,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-12 21:11:21,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-12 21:11:21,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2018-10-12 21:11:21,032 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 16 states. [2018-10-12 21:11:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:11:24,109 INFO L93 Difference]: Finished difference Result 214 states and 214 transitions. [2018-10-12 21:11:24,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-10-12 21:11:24,112 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 139 [2018-10-12 21:11:24,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:11:24,128 INFO L225 Difference]: With dead ends: 214 [2018-10-12 21:11:24,129 INFO L226 Difference]: Without dead ends: 214 [2018-10-12 21:11:24,131 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=328, Invalid=1078, Unknown=0, NotChecked=0, Total=1406 [2018-10-12 21:11:24,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-10-12 21:11:24,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 179. [2018-10-12 21:11:24,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-10-12 21:11:24,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-10-12 21:11:24,188 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 139 [2018-10-12 21:11:24,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:11:24,191 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-10-12 21:11:24,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-12 21:11:24,191 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-10-12 21:11:24,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-12 21:11:24,200 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:11:24,201 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:11:24,201 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:11:24,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:11:24,202 INFO L82 PathProgramCache]: Analyzing trace with hash -672593991, now seen corresponding path program 1 times [2018-10-12 21:11:24,204 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:11:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:11:25,607 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-10-12 21:11:26,307 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-10-12 21:11:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:11:27,797 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:11:27,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-10-12 21:11:27,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-10-12 21:11:27,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-10-12 21:11:27,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2193, Unknown=0, NotChecked=0, Total=2352 [2018-10-12 21:11:27,801 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 49 states. [2018-10-12 21:11:30,384 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2018-10-12 21:11:30,624 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-12 21:11:30,938 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2018-10-12 21:11:31,200 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-10-12 21:11:31,443 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2018-10-12 21:11:31,652 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-10-12 21:11:31,911 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2018-10-12 21:11:32,171 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2018-10-12 21:11:32,538 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2018-10-12 21:11:32,760 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2018-10-12 21:11:34,253 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2018-10-12 21:11:34,607 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2018-10-12 21:11:34,817 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2018-10-12 21:11:35,051 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2018-10-12 21:11:35,268 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2018-10-12 21:11:35,480 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2018-10-12 21:11:35,753 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2018-10-12 21:11:35,946 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2018-10-12 21:11:40,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:11:40,105 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-10-12 21:11:40,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-10-12 21:11:40,106 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 178 [2018-10-12 21:11:40,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:11:40,109 INFO L225 Difference]: With dead ends: 245 [2018-10-12 21:11:40,109 INFO L226 Difference]: Without dead ends: 245 [2018-10-12 21:11:40,114 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2452 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=1336, Invalid=9794, Unknown=0, NotChecked=0, Total=11130 [2018-10-12 21:11:40,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-10-12 21:11:40,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 218. [2018-10-12 21:11:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-10-12 21:11:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 218 transitions. [2018-10-12 21:11:40,128 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 218 transitions. Word has length 178 [2018-10-12 21:11:40,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:11:40,129 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 218 transitions. [2018-10-12 21:11:40,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-10-12 21:11:40,129 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 218 transitions. [2018-10-12 21:11:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-12 21:11:40,133 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:11:40,133 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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, 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] [2018-10-12 21:11:40,134 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:11:40,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:11:40,134 INFO L82 PathProgramCache]: Analyzing trace with hash 848023243, now seen corresponding path program 2 times [2018-10-12 21:11:40,135 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:11:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:11:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:11:45,348 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:11:45,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-10-12 21:11:45,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-10-12 21:11:45,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-10-12 21:11:45,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=3479, Unknown=0, NotChecked=0, Total=3660 [2018-10-12 21:11:45,351 INFO L87 Difference]: Start difference. First operand 218 states and 218 transitions. Second operand 61 states. [2018-10-12 21:11:47,696 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-10-12 21:11:47,950 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2018-10-12 21:11:48,402 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2018-10-12 21:11:48,722 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2018-10-12 21:11:49,063 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 79 [2018-10-12 21:11:49,370 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2018-10-12 21:11:49,778 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 78 [2018-10-12 21:11:50,147 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-10-12 21:11:50,678 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 84 [2018-10-12 21:11:51,008 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 75 [2018-10-12 21:11:51,364 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2018-10-12 21:11:51,591 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2018-10-12 21:11:51,846 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2018-10-12 21:11:52,024 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2018-10-12 21:11:53,710 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2018-10-12 21:11:54,079 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2018-10-12 21:11:54,436 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2018-10-12 21:11:54,788 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2018-10-12 21:11:55,195 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2018-10-12 21:11:55,532 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2018-10-12 21:11:55,937 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2018-10-12 21:11:56,572 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 100 [2018-10-12 21:11:57,131 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 101 [2018-10-12 21:11:57,465 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2018-10-12 21:11:57,687 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2018-10-12 21:11:58,268 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2018-10-12 21:11:58,599 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2018-10-12 21:11:59,169 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2018-10-12 21:11:59,781 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-10-12 21:12:01,140 WARN L178 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-12 21:12:01,455 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2018-10-12 21:12:02,031 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2018-10-12 21:12:02,443 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2018-10-12 21:12:02,830 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2018-10-12 21:12:03,073 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2018-10-12 21:12:05,370 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2018-10-12 21:12:05,581 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2018-10-12 21:12:06,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:12:06,746 INFO L93 Difference]: Finished difference Result 284 states and 284 transitions. [2018-10-12 21:12:06,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-10-12 21:12:06,746 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 217 [2018-10-12 21:12:06,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:12:06,749 INFO L225 Difference]: With dead ends: 284 [2018-10-12 21:12:06,749 INFO L226 Difference]: Without dead ends: 284 [2018-10-12 21:12:06,754 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3933 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=1490, Invalid=16066, Unknown=0, NotChecked=0, Total=17556 [2018-10-12 21:12:06,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-10-12 21:12:06,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 257. [2018-10-12 21:12:06,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-10-12 21:12:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-10-12 21:12:06,770 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 217 [2018-10-12 21:12:06,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:12:06,770 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-10-12 21:12:06,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-10-12 21:12:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-10-12 21:12:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-12 21:12:06,777 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:12:06,778 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2018-10-12 21:12:06,778 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:12:06,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:12:06,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1812076409, now seen corresponding path program 3 times [2018-10-12 21:12:06,779 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:12:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:12:07,654 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-12 21:12:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 3 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:12:12,877 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:12:12,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-10-12 21:12:12,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-10-12 21:12:12,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-10-12 21:12:12,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=6227, Unknown=0, NotChecked=0, Total=6480 [2018-10-12 21:12:12,880 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 81 states. [2018-10-12 21:12:15,727 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2018-10-12 21:12:16,156 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2018-10-12 21:12:16,394 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2018-10-12 21:12:16,674 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2018-10-12 21:12:16,886 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2018-10-12 21:12:17,191 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2018-10-12 21:12:17,456 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2018-10-12 21:12:17,948 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2018-10-12 21:12:18,200 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2018-10-12 21:12:20,435 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-10-12 21:12:20,755 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-10-12 21:12:21,008 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2018-10-12 21:12:21,476 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2018-10-12 21:12:21,793 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2018-10-12 21:12:22,834 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2018-10-12 21:12:24,753 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2018-10-12 21:12:24,967 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-12 21:12:25,869 WARN L178 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-10-12 21:12:26,134 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2018-10-12 21:12:27,474 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2018-10-12 21:12:27,697 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2018-10-12 21:12:27,951 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2018-10-12 21:12:28,412 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2018-10-12 21:12:28,707 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2018-10-12 21:12:31,682 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-10-12 21:12:31,910 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2018-10-12 21:12:34,745 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2018-10-12 21:12:36,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:12:36,054 INFO L93 Difference]: Finished difference Result 254 states and 253 transitions. [2018-10-12 21:12:36,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-10-12 21:12:36,054 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 256 [2018-10-12 21:12:36,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:12:36,055 INFO L225 Difference]: With dead ends: 254 [2018-10-12 21:12:36,055 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:12:36,061 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9392 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=2198, Invalid=31842, Unknown=0, NotChecked=0, Total=34040 [2018-10-12 21:12:36,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:12:36,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:12:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:12:36,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:12:36,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 256 [2018-10-12 21:12:36,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:12:36,062 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:12:36,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-10-12 21:12:36,062 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:12:36,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:12:36,068 INFO L202 PluginConnector]: Adding new model sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:12:36 BoogieIcfgContainer [2018-10-12 21:12:36,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:12:36,069 INFO L168 Benchmark]: Toolchain (without parser) took 78385.03 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 593.0 MB). Free memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: -180.8 MB). Peak memory consumption was 412.2 MB. Max. memory is 7.1 GB. [2018-10-12 21:12:36,070 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 21:12:36,071 INFO L168 Benchmark]: Boogie Preprocessor took 97.99 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. [2018-10-12 21:12:36,071 INFO L168 Benchmark]: RCFGBuilder took 1107.14 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. [2018-10-12 21:12:36,072 INFO L168 Benchmark]: TraceAbstraction took 77175.44 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 593.0 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -233.7 MB). Peak memory consumption was 359.3 MB. Max. memory is 7.1 GB. [2018-10-12 21:12:36,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.99 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 1107.14 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 77175.44 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 593.0 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -233.7 MB). Peak memory consumption was 359.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 277]: 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, 177 locations, 1 error locations. SAFE Result, 77.1s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 60.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 341 SDtfs, 6320 SDslu, 8011 SDs, 0 SdLazy, 21104 SolverSat, 511 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 491 GetRequests, 28 SyntacticMatches, 9 SemanticMatches, 454 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16043 ImplicationChecksByTransitivity, 50.0s 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, 89 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 790 NumberOfCodeBlocks, 790 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 4305510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 3/180 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_37.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-12-36-087.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-buckets_true-unreach-call_true-valid-memsafety.i_37.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-12-36-087.csv Received shutdown request...