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/array1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:41:19,025 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:41:19,027 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:41:19,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:41:19,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:41:19,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:41:19,043 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:41:19,045 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:41:19,047 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:41:19,047 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:41:19,048 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:41:19,049 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:41:19,052 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:41:19,053 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:41:19,054 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:41:19,058 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:41:19,059 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:41:19,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:41:19,070 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:41:19,072 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:41:19,078 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:41:19,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:41:19,083 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:41:19,084 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:41:19,084 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:41:19,090 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:41:19,091 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:41:19,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:41:19,095 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:41:19,096 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:41:19,096 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:41:19,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:41:19,100 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:41:19,100 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:41:19,103 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:41:19,104 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:41:19,104 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 08:41:19,115 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:41:19,116 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:41:19,117 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:41:19,117 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:41:19,117 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:41:19,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:41:19,120 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:41:19,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:41:19,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:41:19,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:41:19,208 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:41:19,208 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:41:19,209 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array1.i_3.bpl [2018-09-26 08:41:19,210 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array1.i_3.bpl' [2018-09-26 08:41:19,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:41:19,275 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:41:19,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:41:19,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:41:19,276 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:41:19,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (1/1) ... [2018-09-26 08:41:19,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (1/1) ... [2018-09-26 08:41:19,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:41:19,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:41:19,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:41:19,322 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:41:19,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (1/1) ... [2018-09-26 08:41:19,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (1/1) ... [2018-09-26 08:41:19,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (1/1) ... [2018-09-26 08:41:19,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (1/1) ... [2018-09-26 08:41:19,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (1/1) ... [2018-09-26 08:41:19,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (1/1) ... [2018-09-26 08:41:19,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (1/1) ... [2018-09-26 08:41:19,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:41:19,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:41:19,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:41:19,344 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:41:19,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (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 08:41:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:41:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:41:19,608 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:41:19,609 INFO L202 PluginConnector]: Adding new model array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:41:19 BoogieIcfgContainer [2018-09-26 08:41:19,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:41:19,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:41:19,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:41:19,614 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:41:19,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:41:19" (1/2) ... [2018-09-26 08:41:19,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8c4d62 and model type array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:41:19, skipping insertion in model container [2018-09-26 08:41:19,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:41:19" (2/2) ... [2018-09-26 08:41:19,618 INFO L112 eAbstractionObserver]: Analyzing ICFG array1.i_3.bpl [2018-09-26 08:41:19,628 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:41:19,639 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:41:19,694 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:41:19,694 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:41:19,695 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:41:19,695 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:41:19,695 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:41:19,695 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:41:19,696 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:41:19,696 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:41:19,696 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:41:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:41:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:41:19,726 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:41:19,727 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:41:19,737 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:41:19,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:41:19,747 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, 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 08:41:19,769 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:41:20,052 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:41:20,053 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:41:20,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:41:20,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:41:20,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:41:20,067 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:41:20,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:41:20,120 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:41:20,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:41:20,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:41:20,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:41:20,135 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:41:20,135 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:41:20,138 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:41:20,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:41:20,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:41:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:41:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:41:20,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:41:20,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:41:20,175 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:41:20,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:41:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:41:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:41:20,176 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:41:20,177 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:41:20,177 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:41:20,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:41:20,177 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, 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 08:41:20,197 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:41:21,162 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-26 08:41:22,229 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-09-26 08:41:28,921 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-26 08:41:29,640 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-26 08:41:30,494 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-09-26 08:41:31,462 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-09-26 08:41:32,410 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-26 08:41:33,463 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-26 08:41:34,659 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-09-26 08:41:35,919 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-09-26 08:41:37,320 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-26 08:41:38,735 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-09-26 08:41:40,304 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-09-26 08:41:42,499 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-09-26 08:41:44,243 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-09-26 08:41:45,413 WARN L178 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-09-26 08:41:47,403 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-09-26 08:41:49,675 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-09-26 08:41:52,183 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-26 08:41:54,567 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-09-26 08:41:57,366 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-09-26 08:42:00,146 WARN L178 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-09-26 08:42:03,090 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-26 08:42:06,213 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2018-09-26 08:42:09,460 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2018-09-26 08:42:13,020 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-26 08:42:16,622 WARN L178 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2018-09-26 08:42:20,402 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2018-09-26 08:42:24,590 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-09-26 08:42:28,884 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-09-26 08:42:33,601 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-09-26 08:42:38,827 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-09-26 08:42:43,994 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2018-09-26 08:42:49,369 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-26 08:42:54,969 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2018-09-26 08:43:00,917 WARN L178 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2018-09-26 08:43:06,980 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-09-26 08:43:13,683 WARN L178 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2018-09-26 08:43:20,416 WARN L178 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2018-09-26 08:43:27,466 WARN L178 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-09-26 08:43:35,150 WARN L178 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-09-26 08:43:43,032 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2018-09-26 08:43:51,193 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2018-09-26 08:43:59,765 WARN L178 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2018-09-26 08:44:08,717 WARN L178 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-09-26 08:44:18,231 WARN L178 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-09-26 08:44:28,086 WARN L178 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2018-09-26 08:44:38,364 WARN L178 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-09-26 08:44:49,401 WARN L178 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2018-09-26 08:45:01,113 WARN L178 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-09-26 08:45:13,364 WARN L178 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2018-09-26 08:45:25,872 WARN L178 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-09-26 08:45:39,010 WARN L178 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2018-09-26 08:45:52,400 WARN L178 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 359 Received shutdown request... [2018-09-26 08:46:03,915 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:46:03,916 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:46:03,921 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:46:03,922 INFO L202 PluginConnector]: Adding new model array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:46:03 BoogieIcfgContainer [2018-09-26 08:46:03,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:46:03,923 INFO L168 Benchmark]: Toolchain (without parser) took 284650.55 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -234.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 365.7 MB). Peak memory consumption was 130.8 MB. Max. memory is 7.1 GB. [2018-09-26 08:46:03,924 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 08:46:03,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.95 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 08:46:03,925 INFO L168 Benchmark]: Boogie Preprocessor took 21.20 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 08:46:03,925 INFO L168 Benchmark]: RCFGBuilder took 265.32 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 08:46:03,926 INFO L168 Benchmark]: TraceAbstraction took 284311.80 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -234.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 344.5 MB). Peak memory consumption was 109.6 MB. Max. memory is 7.1 GB. [2018-09-26 08:46:03,930 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 0.20 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 45.95 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 21.20 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 265.32 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 284311.80 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -234.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 344.5 MB). Peak memory consumption was 109.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 37]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 37). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 284.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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/array1.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-46-03-942.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array1.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-46-03-942.csv Completed graceful shutdown