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 -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:11:44,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:11:44,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:11:44,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:11:44,451 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:11:44,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:11:44,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:11:44,455 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:11:44,457 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:11:44,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:11:44,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:11:44,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:11:44,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:11:44,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:11:44,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:11:44,465 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:11:44,466 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:11:44,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:11:44,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:11:44,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:11:44,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:11:44,483 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:11:44,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:11:44,489 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:11:44,489 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:11:44,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:11:44,498 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:11:44,499 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:11:44,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:11:44,501 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:11:44,501 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:11:44,505 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:11:44,505 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:11:44,506 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:11:44,510 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:11:44,511 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:11:44,511 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 09:11:44,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:11:44,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:11:44,533 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:11:44,537 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:11:44,537 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:11:44,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:11:44,537 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:11:44,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:11:44,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:11:44,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:11:44,634 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:11:44,634 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:11:44,635 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl [2018-09-26 09:11:44,635 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl' [2018-09-26 09:11:44,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:11:44,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:11:44,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:11:44,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:11:44,695 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:11:44,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (1/1) ... [2018-09-26 09:11:44,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (1/1) ... [2018-09-26 09:11:44,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:11:44,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:11:44,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:11:44,740 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:11:44,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (1/1) ... [2018-09-26 09:11:44,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (1/1) ... [2018-09-26 09:11:44,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (1/1) ... [2018-09-26 09:11:44,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (1/1) ... [2018-09-26 09:11:44,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (1/1) ... [2018-09-26 09:11:44,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (1/1) ... [2018-09-26 09:11:44,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (1/1) ... [2018-09-26 09:11:44,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:11:44,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:11:44,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:11:44,763 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:11:44,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (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 [2018-09-26 09:11:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:11:44,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:11:45,171 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:11:45,171 INFO L202 PluginConnector]: Adding new model veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:11:45 BoogieIcfgContainer [2018-09-26 09:11:45,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:11:45,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:11:45,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:11:45,176 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:11:45,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:44" (1/2) ... [2018-09-26 09:11:45,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a346153 and model type veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:11:45, skipping insertion in model container [2018-09-26 09:11:45,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:11:45" (2/2) ... [2018-09-26 09:11:45,180 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_NetBSD-libc__loop.i_2.bpl [2018-09-26 09:11:45,190 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:11:45,199 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:11:45,243 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:11:45,244 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:11:45,244 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:11:45,244 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:11:45,244 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:11:45,245 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:11:45,245 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:11:45,245 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:11:45,245 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:11:45,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:11:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:11:45,268 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:11:45,269 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:11:45,270 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:11:45,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:11:45,278 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:11:45,299 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:11:45,600 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:11:45,600 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 09:11:45,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:11:45,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:11:45,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 09:11:45,614 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 09:11:45,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:11:45,738 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:11:45,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 09:11:45,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 09:11:45,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:11:45,752 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:11:45,753 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:11:45,756 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-26 09:11:45,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:11:45,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:11:45,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:11:45,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:11:45,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:11:45,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:11:45,796 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:11:45,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:11:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:11:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:11:45,797 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:11:45,797 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:11:45,798 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:11:45,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:11:45,798 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:11:45,809 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:11:47,065 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-26 09:11:47,413 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2018-09-26 09:12:01,944 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-26 09:12:02,237 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-09-26 09:12:07,902 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-09-26 09:12:14,870 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-26 09:12:15,500 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-09-26 09:12:22,876 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-09-26 09:12:32,122 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2018-09-26 09:12:43,386 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2018-09-26 09:12:57,498 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2018-09-26 09:13:14,314 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2018-09-26 09:13:34,627 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2018-09-26 09:13:58,898 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2018-09-26 09:14:27,277 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-09-26 09:15:00,013 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2018-09-26 09:15:38,535 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 Received shutdown request... [2018-09-26 09:16:17,977 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:16:17,978 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:16:17,984 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:16:17,985 INFO L202 PluginConnector]: Adding new model veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:16:17 BoogieIcfgContainer [2018-09-26 09:16:17,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:16:17,986 INFO L168 Benchmark]: Toolchain (without parser) took 273296.99 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -215.5 MB). Free memory was 1.5 GB in the beginning and 957.6 MB in the end (delta: 522.3 MB). Peak memory consumption was 306.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:16:17,987 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 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. [2018-09-26 09:16:17,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.23 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. [2018-09-26 09:16:17,989 INFO L168 Benchmark]: Boogie Preprocessor took 22.87 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. [2018-09-26 09:16:17,989 INFO L168 Benchmark]: RCFGBuilder took 409.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:16:17,990 INFO L168 Benchmark]: TraceAbstraction took 272812.54 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -215.5 MB). Free memory was 1.5 GB in the beginning and 957.6 MB in the end (delta: 501.2 MB). Peak memory consumption was 285.7 MB. Max. memory is 7.1 GB. [2018-09-26 09:16:17,994 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 0.13 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 Procedure Inliner took 44.23 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 22.87 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 409.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 272812.54 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -215.5 MB). Free memory was 1.5 GB in the beginning and 957.6 MB in the end (delta: 501.2 MB). Peak memory consumption was 285.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 75 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 272.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/veris.c_NetBSD-libc__loop.i_2.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-16-18-010.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/veris.c_NetBSD-libc__loop.i_2.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-16-18-010.csv Completed graceful shutdown