java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:50:51,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:50:51,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:50:51,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:50:51,871 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:50:51,872 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:50:51,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:50:51,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:50:51,876 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:50:51,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:50:51,878 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:50:51,878 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:50:51,879 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:50:51,880 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:50:51,883 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:50:51,884 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:50:51,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:50:51,889 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:50:51,894 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:50:51,895 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:50:51,899 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:50:51,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:50:51,902 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:50:51,902 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:50:51,903 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:50:51,903 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:50:51,904 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:50:51,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:50:51,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:50:51,908 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:50:51,908 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:50:51,909 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:50:51,910 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:50:51,910 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:50:51,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:50:51,914 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:50:51,914 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 15:50:51,929 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:50:51,929 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:50:51,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:50:51,931 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:50:51,931 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:50:51,931 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:50:51,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:50:52,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:50:52,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:50:52,013 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:50:52,014 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:50:52,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl [2018-07-23 15:50:52,015 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl' [2018-07-23 15:50:52,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:50:52,062 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:50:52,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:50:52,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:50:52,064 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:50:52,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:52" (1/1) ... [2018-07-23 15:50:52,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:52" (1/1) ... [2018-07-23 15:50:52,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:52" (1/1) ... [2018-07-23 15:50:52,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:52" (1/1) ... [2018-07-23 15:50:52,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:52" (1/1) ... [2018-07-23 15:50:52,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:52" (1/1) ... [2018-07-23 15:50:52,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:52" (1/1) ... [2018-07-23 15:50:52,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:50:52,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:50:52,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:50:52,114 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:50:52,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:52" (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 [2018-07-23 15:50:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:50:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:50:52,443 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:50:52,444 INFO L202 PluginConnector]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:50:52 BoogieIcfgContainer [2018-07-23 15:50:52,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:50:52,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:50:52,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:50:52,449 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:50:52,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:52" (1/2) ... [2018-07-23 15:50:52,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd8b942 and model type array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:50:52, skipping insertion in model container [2018-07-23 15:50:52,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:50:52" (2/2) ... [2018-07-23 15:50:52,453 INFO L112 eAbstractionObserver]: Analyzing ICFG array4.i_4.bpl [2018-07-23 15:50:52,463 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:50:52,471 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:50:52,518 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:50:52,519 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:50:52,519 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:50:52,519 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:50:52,519 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:50:52,520 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:50:52,520 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:50:52,520 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:50:52,520 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:50:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-23 15:50:52,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:50:52,545 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:50:52,546 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-23 15:50:52,547 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:50:52,552 INFO L82 PathProgramCache]: Analyzing trace with hash 889539531, now seen corresponding path program 1 times [2018-07-23 15:50:52,559 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:50:52,849 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:50:52,849 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:50:52,854 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:50:52,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:50:52,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:50:52,863 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-07-23 15:50:52,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:50:52,935 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2018-07-23 15:50:52,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:50:52,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-07-23 15:50:52,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:50:52,949 INFO L225 Difference]: With dead ends: 12 [2018-07-23 15:50:52,949 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 15:50:52,953 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:50:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 15:50:52,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 15:50:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 15:50:52,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-07-23 15:50:52,991 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-07-23 15:50:52,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:50:52,991 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-07-23 15:50:52,992 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:50:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-07-23 15:50:52,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 15:50:52,992 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:50:52,993 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-23 15:50:52,993 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:50:52,993 INFO L82 PathProgramCache]: Analyzing trace with hash 149049733, now seen corresponding path program 1 times [2018-07-23 15:50:52,993 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:50:54,858 WARN L169 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-07-23 15:50:55,238 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-07-23 15:50:55,739 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-07-23 15:50:56,303 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-07-23 15:50:57,145 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-07-23 15:50:57,805 WARN L169 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-07-23 15:50:58,631 WARN L169 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-07-23 15:50:59,516 WARN L169 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-07-23 15:51:00,451 WARN L169 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-07-23 15:51:01,616 WARN L169 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-07-23 15:51:03,055 WARN L169 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-07-23 15:51:04,713 WARN L169 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-07-23 15:51:06,532 WARN L169 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-07-23 15:51:08,702 WARN L169 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-07-23 15:51:11,231 WARN L169 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-07-23 15:51:12,744 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-07-23 15:51:14,006 WARN L169 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-07-23 15:51:17,124 WARN L169 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-07-23 15:51:20,574 WARN L169 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-07-23 15:51:24,541 WARN L169 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2018-07-23 15:51:28,932 WARN L169 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 265 [2018-07-23 15:51:34,039 WARN L169 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 276 [2018-07-23 15:51:39,849 WARN L169 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 287 [2018-07-23 15:51:44,254 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-23 15:51:46,261 WARN L169 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 298 [2018-07-23 15:51:53,517 WARN L169 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 309 [2018-07-23 15:51:58,651 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-07-23 15:51:59,125 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-07-23 15:52:01,519 WARN L169 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 320 [2018-07-23 15:52:07,254 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-07-23 15:52:07,712 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-07-23 15:52:10,293 WARN L169 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 331 [2018-07-23 15:52:16,933 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-07-23 15:52:17,830 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-07-23 15:52:20,586 WARN L169 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 342 [2018-07-23 15:52:28,440 WARN L169 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-07-23 15:52:28,955 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-07-23 15:52:32,236 WARN L169 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 353 [2018-07-23 15:52:40,494 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-07-23 15:52:41,026 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-07-23 15:52:44,206 WARN L169 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 364 [2018-07-23 15:52:53,574 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2018-07-23 15:52:54,142 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-07-23 15:52:57,581 WARN L169 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 375 [2018-07-23 15:53:08,115 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2018-07-23 15:53:08,767 WARN L169 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-07-23 15:53:12,441 WARN L169 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 386 [2018-07-23 15:53:24,214 WARN L169 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-07-23 15:53:24,845 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-07-23 15:53:28,700 WARN L169 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 397 [2018-07-23 15:53:41,838 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-07-23 15:53:42,494 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-07-23 15:53:46,619 WARN L169 SmtUtils]: Spent 3.04 s on a formula simplification that was a NOOP. DAG size: 408 [2018-07-23 15:54:01,030 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-07-23 15:54:01,719 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-07-23 15:54:06,083 WARN L169 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 419 [2018-07-23 15:54:22,074 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2018-07-23 15:54:22,803 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-23 15:54:27,546 WARN L169 SmtUtils]: Spent 3.51 s on a formula simplification that was a NOOP. DAG size: 430 [2018-07-23 15:54:44,781 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-07-23 15:54:45,528 WARN L169 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-07-23 15:54:50,331 WARN L169 SmtUtils]: Spent 3.53 s on a formula simplification that was a NOOP. DAG size: 441 [2018-07-23 15:55:08,769 WARN L169 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-07-23 15:55:09,557 WARN L169 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-07-23 15:55:14,635 WARN L169 SmtUtils]: Spent 3.79 s on a formula simplification that was a NOOP. DAG size: 452 Received shutdown request... [2018-07-23 15:55:34,282 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 15:55:34,286 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 15:55:34,286 INFO L202 PluginConnector]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:55:34 BoogieIcfgContainer [2018-07-23 15:55:34,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:55:34,287 INFO L168 Benchmark]: Toolchain (without parser) took 282226.19 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -134.7 MB). Free memory was 1.5 GB in the beginning and 927.6 MB in the end (delta: 554.4 MB). Peak memory consumption was 419.7 MB. Max. memory is 7.1 GB. [2018-07-23 15:55:34,289 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. [2018-07-23 15:55:34,289 INFO L168 Benchmark]: Boogie Preprocessor took 49.48 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. [2018-07-23 15:55:34,290 INFO L168 Benchmark]: RCFGBuilder took 330.74 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. [2018-07-23 15:55:34,290 INFO L168 Benchmark]: TraceAbstraction took 281841.65 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -134.7 MB). Free memory was 1.5 GB in the beginning and 927.6 MB in the end (delta: 533.3 MB). Peak memory consumption was 398.5 MB. Max. memory is 7.1 GB. [2018-07-23 15:55:34,299 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 Preprocessor took 49.48 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 330.74 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 281841.65 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -134.7 MB). Free memory was 1.5 GB in the beginning and 927.6 MB in the end (delta: 533.3 MB). Peak memory consumption was 398.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 57). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 281.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 1 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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/array4.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-55-34-310.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array4.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-55-34-310.csv Completed graceful shutdown