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 0.1.23-093a8c0 [2018-10-14 16:51:31,190 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:51:31,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:51:31,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:51:31,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:51:31,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:51:31,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:51:31,210 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:51:31,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:51:31,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:51:31,214 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:51:31,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:51:31,215 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:51:31,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:51:31,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:51:31,218 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:51:31,219 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:51:31,221 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:51:31,223 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:51:31,225 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:51:31,226 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:51:31,227 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:51:31,230 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-14 16:51:31,239 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 16:51:31,252 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:51:31,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:51:31,253 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:51:31,253 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:51:31,253 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:51:31,254 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:51:31,254 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:51:31,254 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:51:31,255 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:51:31,255 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:51:31,255 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:51:31,255 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:51:31,255 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:51:31,256 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:51:31,256 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:51:31,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:51:31,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:51:31,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:51:31,344 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:51:31,345 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:51:31,346 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl [2018-10-14 16:51:31,346 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl' [2018-10-14 16:51:31,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:51:31,448 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:51:31,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:51:31,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:51:31,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:51:31,478 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 14.10 04:51:31" (1/1) ... [2018-10-14 16:51:31,480 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 14.10 04:51:31" (1/1) ... [2018-10-14 16:51:31,519 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 14.10 04:51:31" (1/1) ... [2018-10-14 16:51:31,520 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 14.10 04:51:31" (1/1) ... [2018-10-14 16:51:31,543 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 14.10 04:51:31" (1/1) ... [2018-10-14 16:51:31,550 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 14.10 04:51:31" (1/1) ... [2018-10-14 16:51:31,560 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 14.10 04:51:31" (1/1) ... [2018-10-14 16:51:31,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:51:31,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:51:31,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:51:31,573 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:51:31,574 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 14.10 04:51:31" (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 [2018-10-14 16:51:31,650 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:51:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:51:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:51:32,901 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:51:32,903 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 14.10 04:51:32 BoogieIcfgContainer [2018-10-14 16:51:32,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:51:32,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:51:32,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:51:32,908 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:51:32,909 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 14.10 04:51:31" (1/2) ... [2018-10-14 16:51:32,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c35311a and model type sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:51:32, skipping insertion in model container [2018-10-14 16:51:32,910 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 14.10 04:51:32" (2/2) ... [2018-10-14 16:51:32,912 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i_42.bpl [2018-10-14 16:51:32,923 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:51:32,933 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:51:32,952 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:51:32,983 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:51:32,984 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:51:32,985 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:51:32,985 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:51:32,985 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:51:32,985 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:51:32,986 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:51:32,986 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:51:32,986 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:51:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-14 16:51:33,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-14 16:51:33,031 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:51:33,032 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] [2018-10-14 16:51:33,033 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:51:33,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:51:33,040 INFO L82 PathProgramCache]: Analyzing trace with hash 889248850, now seen corresponding path program 1 times [2018-10-14 16:51:33,106 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:51:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:51:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:51:34,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:51:34,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-14 16:51:34,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-14 16:51:34,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-14 16:51:34,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-14 16:51:34,081 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 10 states. [2018-10-14 16:51:35,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:51:35,413 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-10-14 16:51:35,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-14 16:51:35,419 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2018-10-14 16:51:35,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:51:35,452 INFO L225 Difference]: With dead ends: 225 [2018-10-14 16:51:35,453 INFO L226 Difference]: Without dead ends: 225 [2018-10-14 16:51:35,455 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2018-10-14 16:51:35,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-10-14 16:51:35,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 199. [2018-10-14 16:51:35,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-10-14 16:51:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-10-14 16:51:35,515 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 169 [2018-10-14 16:51:35,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:51:35,517 INFO L481 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-10-14 16:51:35,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-14 16:51:35,517 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-10-14 16:51:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-14 16:51:35,521 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:51:35,521 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] [2018-10-14 16:51:35,522 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:51:35,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:51:35,522 INFO L82 PathProgramCache]: Analyzing trace with hash 734083301, now seen corresponding path program 1 times [2018-10-14 16:51:35,524 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:51:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:51:36,740 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-10-14 16:51:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:51:39,467 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:51:39,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-10-14 16:51:39,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-10-14 16:51:39,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-10-14 16:51:39,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=2705, Unknown=0, NotChecked=0, Total=2862 [2018-10-14 16:51:39,471 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 54 states. [2018-10-14 16:51:48,184 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-10-14 16:51:48,437 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-14 16:51:48,668 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-10-14 16:51:48,935 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2018-10-14 16:51:49,242 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-10-14 16:51:49,550 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-10-14 16:51:49,735 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2018-10-14 16:51:49,945 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-10-14 16:51:50,097 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-14 16:51:50,409 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-10-14 16:51:51,285 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-10-14 16:51:51,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:51:51,376 INFO L93 Difference]: Finished difference Result 254 states and 254 transitions. [2018-10-14 16:51:51,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-10-14 16:51:51,377 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 198 [2018-10-14 16:51:51,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:51:51,381 INFO L225 Difference]: With dead ends: 254 [2018-10-14 16:51:51,381 INFO L226 Difference]: Without dead ends: 254 [2018-10-14 16:51:51,388 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3203 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1570, Invalid=12472, Unknown=0, NotChecked=0, Total=14042 [2018-10-14 16:51:51,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-10-14 16:51:51,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 228. [2018-10-14 16:51:51,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-10-14 16:51:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 228 transitions. [2018-10-14 16:51:51,407 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 228 transitions. Word has length 198 [2018-10-14 16:51:51,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:51:51,409 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 228 transitions. [2018-10-14 16:51:51,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-10-14 16:51:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 228 transitions. [2018-10-14 16:51:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-14 16:51:51,413 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:51:51,413 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] [2018-10-14 16:51:51,414 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:51:51,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:51:51,414 INFO L82 PathProgramCache]: Analyzing trace with hash 500492594, now seen corresponding path program 2 times [2018-10-14 16:51:51,415 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:51:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:51:52,123 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 18 [2018-10-14 16:51:55,243 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:51:55,243 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:51:55,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-10-14 16:51:55,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-10-14 16:51:55,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-10-14 16:51:55,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=3844, Unknown=0, NotChecked=0, Total=4032 [2018-10-14 16:51:55,246 INFO L87 Difference]: Start difference. First operand 228 states and 228 transitions. Second operand 64 states. [2018-10-14 16:51:58,185 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2018-10-14 16:51:59,173 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2018-10-14 16:51:59,391 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2018-10-14 16:52:00,906 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-10-14 16:52:01,241 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2018-10-14 16:52:01,527 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2018-10-14 16:52:01,959 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2018-10-14 16:52:02,351 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2018-10-14 16:52:02,616 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2018-10-14 16:52:03,690 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2018-10-14 16:52:03,924 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2018-10-14 16:52:05,405 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2018-10-14 16:52:05,856 WARN L179 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2018-10-14 16:52:06,420 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2018-10-14 16:52:06,758 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2018-10-14 16:52:07,106 WARN L179 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2018-10-14 16:52:07,511 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2018-10-14 16:52:08,061 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2018-10-14 16:52:08,340 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2018-10-14 16:52:08,766 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2018-10-14 16:52:09,135 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2018-10-14 16:52:09,419 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-14 16:52:09,762 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2018-10-14 16:52:10,161 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-10-14 16:52:10,565 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-14 16:52:11,294 WARN L179 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2018-10-14 16:52:11,604 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-14 16:52:11,862 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-10-14 16:52:12,149 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2018-10-14 16:52:12,816 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2018-10-14 16:52:13,171 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-14 16:52:13,419 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-14 16:52:13,703 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2018-10-14 16:52:14,269 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-14 16:52:14,487 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-14 16:52:14,941 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2018-10-14 16:52:15,345 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2018-10-14 16:52:15,685 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-14 16:52:15,907 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2018-10-14 16:52:15,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:52:15,956 INFO L93 Difference]: Finished difference Result 283 states and 283 transitions. [2018-10-14 16:52:15,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-10-14 16:52:15,956 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 227 [2018-10-14 16:52:15,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:52:15,960 INFO L225 Difference]: With dead ends: 283 [2018-10-14 16:52:15,960 INFO L226 Difference]: Without dead ends: 283 [2018-10-14 16:52:15,965 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4526 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=1909, Invalid=18113, Unknown=0, NotChecked=0, Total=20022 [2018-10-14 16:52:15,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-10-14 16:52:15,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 257. [2018-10-14 16:52:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-10-14 16:52:15,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-10-14 16:52:15,980 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 227 [2018-10-14 16:52:15,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:52:15,981 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-10-14 16:52:15,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-10-14 16:52:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-10-14 16:52:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-14 16:52:15,985 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:52:15,985 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] [2018-10-14 16:52:15,986 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:52:15,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:52:15,986 INFO L82 PathProgramCache]: Analyzing trace with hash 311351301, now seen corresponding path program 3 times [2018-10-14 16:52:15,987 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:52:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:52:16,710 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-14 16:52:16,895 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-14 16:52:19,053 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2018-10-14 16:52:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-14 16:52:20,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:52:20,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2018-10-14 16:52:20,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-10-14 16:52:20,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-10-14 16:52:20,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=2801, Unknown=0, NotChecked=0, Total=2970 [2018-10-14 16:52:20,159 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 55 states. [2018-10-14 16:52:22,749 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2018-10-14 16:52:23,144 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2018-10-14 16:52:23,397 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2018-10-14 16:52:23,736 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2018-10-14 16:52:23,957 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2018-10-14 16:52:24,178 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2018-10-14 16:52:24,399 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2018-10-14 16:52:24,629 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2018-10-14 16:52:24,856 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2018-10-14 16:52:26,546 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2018-10-14 16:52:26,900 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2018-10-14 16:52:27,175 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2018-10-14 16:52:27,501 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2018-10-14 16:52:27,725 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2018-10-14 16:52:27,926 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2018-10-14 16:52:28,086 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2018-10-14 16:52:30,336 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2018-10-14 16:52:31,124 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2018-10-14 16:52:31,746 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2018-10-14 16:52:32,181 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2018-10-14 16:52:32,417 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2018-10-14 16:52:32,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:52:32,418 INFO L93 Difference]: Finished difference Result 183 states and 182 transitions. [2018-10-14 16:52:32,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-10-14 16:52:32,419 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 256 [2018-10-14 16:52:32,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:52:32,420 INFO L225 Difference]: With dead ends: 183 [2018-10-14 16:52:32,420 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:52:32,424 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2268 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=1649, Invalid=11233, Unknown=0, NotChecked=0, Total=12882 [2018-10-14 16:52:32,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:52:32,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:52:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:52:32,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:52:32,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 256 [2018-10-14 16:52:32,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:52:32,425 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:52:32,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-10-14 16:52:32,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:52:32,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:52:32,430 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 14.10 04:52:32 BoogieIcfgContainer [2018-10-14 16:52:32,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:52:32,430 INFO L168 Benchmark]: Toolchain (without parser) took 60984.04 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 555.7 MB). Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -368.9 MB). Peak memory consumption was 186.9 MB. Max. memory is 7.1 GB. [2018-10-14 16:52:32,432 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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. [2018-10-14 16:52:32,432 INFO L168 Benchmark]: Boogie Preprocessor took 120.19 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. [2018-10-14 16:52:32,433 INFO L168 Benchmark]: RCFGBuilder took 1334.12 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. [2018-10-14 16:52:32,434 INFO L168 Benchmark]: TraceAbstraction took 59525.08 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 555.7 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -421.7 MB). Peak memory consumption was 134.0 MB. Max. memory is 7.1 GB. [2018-10-14 16:52:32,437 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 0.24 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 120.19 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. * RCFGBuilder took 1334.12 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 59525.08 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 555.7 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -421.7 MB). Peak memory consumption was 134.0 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, 59.4s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 46.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 342 SDtfs, 7353 SDslu, 5649 SDs, 0 SdLazy, 16563 SolverSat, 614 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 29 SyntacticMatches, 11 SemanticMatches, 386 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10052 ImplicationChecksByTransitivity, 38.3s 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, 0.4s SatisfiabilityAnalysisTime, 11.7s 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-0-2018-10-14_16-52-32-448.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-0-2018-10-14_16-52-32-448.csv Received shutdown request...