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_43.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:44:09,059 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:44:09,061 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:44:09,073 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-10 15:44:09,081 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:44:09,082 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:44:09,083 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:44:09,084 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:44:09,085 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:44:09,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:44:09,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:44:09,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:44:09,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:44:09,092 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:44:09,093 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:44:09,096 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-10 15:44:09,105 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 15:44:09,118 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:44:09,118 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:44:09,119 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:44:09,119 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:44:09,119 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:44:09,122 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:44:09,122 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:44:09,123 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:44:09,124 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:44:09,124 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:44:09,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:44:09,125 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:44:09,125 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:44:09,126 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:44:09,126 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:44:09,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:44:09,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:44:09,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:44:09,198 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:44:09,198 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:44:09,199 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl [2018-10-10 15:44:09,200 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl' [2018-10-10 15:44:09,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:44:09,294 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:44:09,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:44:09,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:44:09,295 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:44:09,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:09" (1/1) ... [2018-10-10 15:44:09,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:09" (1/1) ... [2018-10-10 15:44:09,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:09" (1/1) ... [2018-10-10 15:44:09,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:09" (1/1) ... [2018-10-10 15:44:09,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:09" (1/1) ... [2018-10-10 15:44:09,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:09" (1/1) ... [2018-10-10 15:44:09,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:09" (1/1) ... [2018-10-10 15:44:09,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:44:09,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:44:09,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:44:09,415 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:44:09,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:09" (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 15:44:09,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:44:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:44:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:44:10,835 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:44:10,836 INFO L202 PluginConnector]: Adding new model sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:44:10 BoogieIcfgContainer [2018-10-10 15:44:10,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:44:10,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:44:10,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:44:10,841 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:44:10,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:09" (1/2) ... [2018-10-10 15:44:10,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c29b8a and model type sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:44:10, skipping insertion in model container [2018-10-10 15:44:10,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:44:10" (2/2) ... [2018-10-10 15:44:10,844 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl [2018-10-10 15:44:10,854 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:44:10,863 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:44:10,880 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:44:10,909 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:44:10,910 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:44:10,910 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:44:10,911 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:44:10,911 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:44:10,911 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:44:10,911 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:44:10,911 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:44:10,912 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:44:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-10 15:44:10,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-10 15:44:10,952 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:44:10,954 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, 1] [2018-10-10 15:44:10,955 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:44:10,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:44:10,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1796906963, now seen corresponding path program 1 times [2018-10-10 15:44:11,010 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:44:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:44:12,319 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-10 15:44:12,773 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 15:44:12,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:44:12,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-10-10 15:44:12,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-10 15:44:12,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-10 15:44:12,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2018-10-10 15:44:12,800 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 17 states. [2018-10-10 15:44:13,330 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-10 15:44:15,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:44:15,163 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-10-10 15:44:15,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-10 15:44:15,165 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 170 [2018-10-10 15:44:15,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:44:15,184 INFO L225 Difference]: With dead ends: 225 [2018-10-10 15:44:15,184 INFO L226 Difference]: Without dead ends: 225 [2018-10-10 15:44:15,187 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=262, Invalid=998, Unknown=0, NotChecked=0, Total=1260 [2018-10-10 15:44:15,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-10-10 15:44:15,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 200. [2018-10-10 15:44:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-10-10 15:44:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 200 transitions. [2018-10-10 15:44:15,240 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 200 transitions. Word has length 170 [2018-10-10 15:44:15,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:44:15,242 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 200 transitions. [2018-10-10 15:44:15,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-10 15:44:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 200 transitions. [2018-10-10 15:44:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-10 15:44:15,246 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:44:15,247 INFO L375 BasicCegarLoop]: trace histogram [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, 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 15:44:15,247 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:44:15,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:44:15,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1552640443, now seen corresponding path program 1 times [2018-10-10 15:44:15,249 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:44:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:44:16,961 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2018-10-10 15:44:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:44:20,606 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:44:20,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-10-10 15:44:20,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-10-10 15:44:20,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-10-10 15:44:20,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=3190, Unknown=0, NotChecked=0, Total=3422 [2018-10-10 15:44:20,612 INFO L87 Difference]: Start difference. First operand 200 states and 200 transitions. Second operand 59 states. [2018-10-10 15:44:23,543 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-10 15:44:23,924 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2018-10-10 15:44:24,165 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2018-10-10 15:44:24,418 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2018-10-10 15:44:24,626 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2018-10-10 15:44:24,896 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 66 [2018-10-10 15:44:25,148 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2018-10-10 15:44:25,661 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2018-10-10 15:44:25,953 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 68 [2018-10-10 15:44:27,625 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2018-10-10 15:44:27,838 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2018-10-10 15:44:28,253 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2018-10-10 15:44:28,577 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2018-10-10 15:44:28,897 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2018-10-10 15:44:29,328 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2018-10-10 15:44:29,622 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-10-10 15:44:29,775 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-10-10 15:44:32,815 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2018-10-10 15:44:33,257 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2018-10-10 15:44:33,627 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2018-10-10 15:44:33,857 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2018-10-10 15:44:34,419 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2018-10-10 15:44:34,802 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2018-10-10 15:44:35,081 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2018-10-10 15:44:35,315 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2018-10-10 15:44:35,526 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2018-10-10 15:44:35,853 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2018-10-10 15:44:36,493 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-10 15:44:36,787 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-10-10 15:44:36,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:44:36,876 INFO L93 Difference]: Finished difference Result 254 states and 254 transitions. [2018-10-10 15:44:36,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-10-10 15:44:36,878 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 199 [2018-10-10 15:44:36,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:44:36,881 INFO L225 Difference]: With dead ends: 254 [2018-10-10 15:44:36,881 INFO L226 Difference]: Without dead ends: 254 [2018-10-10 15:44:36,888 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3676 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=1753, Invalid=14503, Unknown=0, NotChecked=0, Total=16256 [2018-10-10 15:44:36,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-10-10 15:44:36,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 229. [2018-10-10 15:44:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-10-10 15:44:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-10-10 15:44:36,903 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 199 [2018-10-10 15:44:36,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:44:36,903 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-10-10 15:44:36,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-10-10 15:44:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-10-10 15:44:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-10 15:44:36,908 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:44:36,908 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:36,908 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:44:36,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:44:36,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1334496531, now seen corresponding path program 2 times [2018-10-10 15:44:36,910 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:44:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:44:41,118 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-10 15:44:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:44:43,650 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:44:43,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-10-10 15:44:43,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-10-10 15:44:43,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-10-10 15:44:43,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=4738, Unknown=0, NotChecked=0, Total=4970 [2018-10-10 15:44:43,653 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 71 states. [2018-10-10 15:44:46,170 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2018-10-10 15:44:46,743 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2018-10-10 15:44:47,048 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2018-10-10 15:44:47,374 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2018-10-10 15:44:47,627 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2018-10-10 15:44:47,965 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2018-10-10 15:44:48,402 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2018-10-10 15:44:48,943 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2018-10-10 15:44:49,248 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2018-10-10 15:44:50,295 WARN L178 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-10-10 15:44:50,809 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2018-10-10 15:44:52,435 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2018-10-10 15:44:52,720 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2018-10-10 15:44:53,152 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-10-10 15:44:53,530 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2018-10-10 15:44:53,949 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-10-10 15:44:54,343 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2018-10-10 15:44:54,805 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 93 [2018-10-10 15:44:55,479 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 103 [2018-10-10 15:44:56,018 WARN L178 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 105 [2018-10-10 15:44:56,357 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2018-10-10 15:44:56,671 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2018-10-10 15:44:57,033 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2018-10-10 15:44:57,331 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2018-10-10 15:44:57,876 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 89 [2018-10-10 15:44:58,268 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2018-10-10 15:44:58,655 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-10 15:44:58,940 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-10-10 15:44:59,721 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-10-10 15:44:59,996 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-10-10 15:45:01,054 WARN L178 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2018-10-10 15:45:02,495 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2018-10-10 15:45:02,788 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2018-10-10 15:45:03,791 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2018-10-10 15:45:04,308 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-10 15:45:04,734 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-10-10 15:45:05,046 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2018-10-10 15:45:05,642 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2018-10-10 15:45:06,147 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-10 15:45:06,486 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2018-10-10 15:45:06,863 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2018-10-10 15:45:07,156 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2018-10-10 15:45:07,973 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2018-10-10 15:45:08,415 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2018-10-10 15:45:08,715 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-10-10 15:45:09,034 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2018-10-10 15:45:09,345 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2018-10-10 15:45:09,589 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-10 15:45:09,896 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2018-10-10 15:45:10,645 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-10 15:45:11,039 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-10-10 15:45:11,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:11,160 INFO L93 Difference]: Finished difference Result 283 states and 283 transitions. [2018-10-10 15:45:11,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-10-10 15:45:11,165 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 228 [2018-10-10 15:45:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:11,167 INFO L225 Difference]: With dead ends: 283 [2018-10-10 15:45:11,167 INFO L226 Difference]: Without dead ends: 283 [2018-10-10 15:45:11,174 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5071 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=1831, Invalid=20819, Unknown=0, NotChecked=0, Total=22650 [2018-10-10 15:45:11,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-10-10 15:45:11,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 258. [2018-10-10 15:45:11,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-10-10 15:45:11,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 258 transitions. [2018-10-10 15:45:11,188 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 258 transitions. Word has length 228 [2018-10-10 15:45:11,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:11,189 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 258 transitions. [2018-10-10 15:45:11,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-10-10 15:45:11,189 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 258 transitions. [2018-10-10 15:45:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-10 15:45:11,193 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:45:11,194 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:11,194 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:45:11,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:45:11,194 INFO L82 PathProgramCache]: Analyzing trace with hash -631607035, now seen corresponding path program 3 times [2018-10-10 15:45:11,195 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:45:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:45:16,441 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 3 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:45:16,442 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:45:16,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-10-10 15:45:16,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-10-10 15:45:16,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-10-10 15:45:16,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5771, Unknown=0, NotChecked=0, Total=6006 [2018-10-10 15:45:16,445 INFO L87 Difference]: Start difference. First operand 258 states and 258 transitions. Second operand 78 states. [2018-10-10 15:45:20,224 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2018-10-10 15:45:20,483 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2018-10-10 15:45:20,999 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2018-10-10 15:45:21,314 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-10-10 15:45:21,647 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2018-10-10 15:45:21,918 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-10-10 15:45:22,375 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2018-10-10 15:45:22,715 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2018-10-10 15:45:23,318 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2018-10-10 15:45:23,699 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2018-10-10 15:45:24,125 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-10 15:45:24,403 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-10 15:45:24,703 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-10-10 15:45:25,978 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-10-10 15:45:26,224 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2018-10-10 15:45:26,509 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-10 15:45:26,803 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2018-10-10 15:45:27,210 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2018-10-10 15:45:27,629 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2018-10-10 15:45:27,967 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2018-10-10 15:45:28,556 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2018-10-10 15:45:28,967 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 92 [2018-10-10 15:45:29,284 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2018-10-10 15:45:29,517 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2018-10-10 15:45:29,849 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2018-10-10 15:45:30,141 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2018-10-10 15:45:30,690 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2018-10-10 15:45:31,063 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2018-10-10 15:45:31,481 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2018-10-10 15:45:31,792 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-10 15:45:32,124 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-10-10 15:45:32,518 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2018-10-10 15:45:32,965 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2018-10-10 15:45:33,325 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2018-10-10 15:45:33,670 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 91 [2018-10-10 15:45:34,066 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 93 [2018-10-10 15:45:34,393 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 93 [2018-10-10 15:45:34,668 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2018-10-10 15:45:35,430 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2018-10-10 15:45:35,706 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-10-10 15:45:36,047 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2018-10-10 15:45:36,467 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2018-10-10 15:45:36,940 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 101 [2018-10-10 15:45:37,476 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2018-10-10 15:45:37,838 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2018-10-10 15:45:38,285 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2018-10-10 15:45:38,644 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2018-10-10 15:45:38,916 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2018-10-10 15:45:39,450 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2018-10-10 15:45:39,870 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2018-10-10 15:45:40,150 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 116 [2018-10-10 15:45:40,416 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2018-10-10 15:45:40,639 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2018-10-10 15:45:41,319 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-10 15:45:41,677 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2018-10-10 15:45:41,926 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2018-10-10 15:45:42,176 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2018-10-10 15:45:42,475 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2018-10-10 15:45:42,756 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2018-10-10 15:45:43,392 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-10-10 15:45:43,738 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2018-10-10 15:45:43,978 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2018-10-10 15:45:44,255 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-10 15:45:44,496 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-10 15:45:44,703 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2018-10-10 15:45:44,941 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-10 15:45:44,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:44,942 INFO L93 Difference]: Finished difference Result 255 states and 254 transitions. [2018-10-10 15:45:44,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-10-10 15:45:44,942 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 257 [2018-10-10 15:45:44,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:44,943 INFO L225 Difference]: With dead ends: 255 [2018-10-10 15:45:44,944 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:45:44,948 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8256 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=2502, Invalid=27600, Unknown=0, NotChecked=0, Total=30102 [2018-10-10 15:45:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:45:44,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:45:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:45:44,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:45:44,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2018-10-10 15:45:44,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:44,950 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:45:44,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-10-10 15:45:44,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:45:44,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:45:44,955 INFO L202 PluginConnector]: Adding new model sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:45:44 BoogieIcfgContainer [2018-10-10 15:45:44,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:45:44,957 INFO L168 Benchmark]: Toolchain (without parser) took 95663.93 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 576.2 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -98.2 MB). Peak memory consumption was 478.0 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:44,958 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:45:44,958 INFO L168 Benchmark]: Boogie Preprocessor took 118.90 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 15:45:44,959 INFO L168 Benchmark]: RCFGBuilder took 1421.97 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 15:45:44,960 INFO L168 Benchmark]: TraceAbstraction took 94118.65 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 576.2 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -151.1 MB). Peak memory consumption was 425.1 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:44,963 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.90 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 1421.97 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 94118.65 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 576.2 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -151.1 MB). Peak memory consumption was 425.1 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, 94.0s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 74.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 349 SDtfs, 8777 SDslu, 7458 SDs, 0 SdLazy, 20905 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 481 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17244 ImplicationChecksByTransitivity, 64.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred 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, 75 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 854 NumberOfCodeBlocks, 854 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 850 ConstructedInterpolants, 0 QuantifiedInterpolants, 5731913 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 3/134 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_43.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-45-44-973.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-buckets_true-unreach-call_true-valid-memsafety.i_43.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-45-44-973.csv Received shutdown request...