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/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:00:39,973 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:00:39,975 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:00:39,988 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:00:39,988 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:00:39,989 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:00:39,991 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:00:39,992 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:00:39,994 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:00:39,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:00:39,996 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:00:39,996 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:00:39,997 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:00:39,998 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:00:39,999 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:00:40,000 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:00:40,001 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:00:40,003 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:00:40,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:00:40,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:00:40,008 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:00:40,010 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:00:40,013 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:00:40,013 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:00:40,014 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:00:40,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:00:40,016 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:00:40,017 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:00:40,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:00:40,019 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:00:40,019 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:00:40,020 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:00:40,020 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:00:40,020 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:00:40,021 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:00:40,022 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:00:40,023 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 16:00:40,032 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:00:40,032 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:00:40,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:00:40,034 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:00:40,034 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:00:40,035 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:00:40,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:00:40,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:00:40,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:00:40,140 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:00:40,141 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:00:40,142 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-07-23 16:00:40,142 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-07-23 16:00:40,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:00:40,214 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:00:40,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:00:40,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:00:40,215 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:00:40,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:40" (1/1) ... [2018-07-23 16:00:40,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:40" (1/1) ... [2018-07-23 16:00:40,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:40" (1/1) ... [2018-07-23 16:00:40,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:40" (1/1) ... [2018-07-23 16:00:40,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:40" (1/1) ... [2018-07-23 16:00:40,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:40" (1/1) ... [2018-07-23 16:00:40,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:40" (1/1) ... [2018-07-23 16:00:40,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:00:40,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:00:40,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:00:40,270 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:00:40,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:40" (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 16:00:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:00:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:00:40,565 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:00:40,566 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:00:40 BoogieIcfgContainer [2018-07-23 16:00:40,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:00:40,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:00:40,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:00:40,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:00:40,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:40" (1/2) ... [2018-07-23 16:00:40,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354f36e4 and model type nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:00:40, skipping insertion in model container [2018-07-23 16:00:40,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:00:40" (2/2) ... [2018-07-23 16:00:40,576 INFO L112 eAbstractionObserver]: Analyzing ICFG nested1.i_4.bpl [2018-07-23 16:00:40,586 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:00:40,595 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:00:40,645 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:00:40,646 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:00:40,646 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:00:40,646 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:00:40,646 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:00:40,646 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:00:40,647 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:00:40,647 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:00:40,647 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:00:40,664 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-07-23 16:00:40,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:00:40,674 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:00:40,675 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:00:40,675 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:00:40,682 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 16:00:40,689 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:00:40,901 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:00:40,902 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 16:00:40,908 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 16:00:40,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 16:00:40,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 16:00:40,920 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-07-23 16:00:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:00:41,017 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2018-07-23 16:00:41,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 16:00:41,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 16:00:41,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:00:41,033 INFO L225 Difference]: With dead ends: 15 [2018-07-23 16:00:41,034 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 16:00:41,038 INFO L573 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 [2018-07-23 16:00:41,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 16:00:41,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 16:00:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 16:00:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-07-23 16:00:41,080 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2018-07-23 16:00:41,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:00:41,081 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-07-23 16:00:41,081 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 16:00:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-07-23 16:00:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 16:00:41,082 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:00:41,082 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-23 16:00:41,082 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:00:41,083 INFO L82 PathProgramCache]: Analyzing trace with hash 209100445, now seen corresponding path program 1 times [2018-07-23 16:00:41,083 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:00:41,585 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:00:41,585 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 16:00:41,586 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:00:41,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:00:41,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:00:41,590 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 4 states. [2018-07-23 16:00:53,692 WARN L169 SmtUtils]: Spent 12.06 s on a formula simplification that was a NOOP. DAG size: 43 [2018-07-23 16:00:53,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:00:53,782 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-07-23 16:00:53,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 16:00:53,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-07-23 16:00:53,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:00:53,784 INFO L225 Difference]: With dead ends: 15 [2018-07-23 16:00:53,784 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 16:00:53,786 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-23 16:00:53,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 16:00:53,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2018-07-23 16:00:53,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 16:00:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2018-07-23 16:00:53,793 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2018-07-23 16:00:53,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:00:53,793 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-07-23 16:00:53,794 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:00:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-07-23 16:00:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 16:00:53,795 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:00:53,795 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2018-07-23 16:00:53,796 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:00:53,796 INFO L82 PathProgramCache]: Analyzing trace with hash -850198025, now seen corresponding path program 1 times [2018-07-23 16:00:53,796 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:00:54,679 WARN L169 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-07-23 16:00:55,123 WARN L169 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2018-07-23 16:01:35,587 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2018-07-23 16:01:52,871 WARN L169 SmtUtils]: Spent 12.04 s on a formula simplification that was a NOOP. DAG size: 33 [2018-07-23 16:02:34,669 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse4 (+ c_ULTIMATE.start_main_~x~4 1))) (let ((.cse2 (mod .cse4 4294967296))) (let ((.cse0 (<= 268435455 .cse2)) (.cse1 (= (ite (= (mod (let ((.cse3 (mod .cse4 2))) (ite (and (< .cse2 0) (not (= 0 .cse3))) (+ .cse3 (- 2)) .cse3)) 4294967296) 0) 1 0) 0))) (and (not (and .cse0 (< (mod (+ c_ULTIMATE.start_main_~y~4 2) 4294967296) 10) (<= 10 (mod (+ c_ULTIMATE.start_main_~y~4 3) 4294967296)) .cse1)) (not (and .cse0 .cse1 (<= 10 (mod (+ c_ULTIMATE.start_main_~y~4 5) 4294967296)))) (not (and .cse0 (<= 10 (mod c_ULTIMATE.start_main_~y~4 4294967296)) .cse1)))))) is different from true Received shutdown request... [2018-07-23 16:05:36,493 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:05:36,496 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:05:36,497 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:05:36 BoogieIcfgContainer [2018-07-23 16:05:36,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:05:36,498 INFO L168 Benchmark]: Toolchain (without parser) took 296284.63 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 84.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 13.7 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:05:36,499 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 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 16:05:36,500 INFO L168 Benchmark]: Boogie Preprocessor took 54.00 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 16:05:36,500 INFO L168 Benchmark]: RCFGBuilder took 296.67 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 16:05:36,501 INFO L168 Benchmark]: TraceAbstraction took 295929.08 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 84.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -7.5 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2018-07-23 16:05:36,505 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 0.26 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 54.00 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 296.67 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 295929.08 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 84.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -7.5 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 34). Cancelled while BasicCegarLoop was analyzing trace of length 11 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 25 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 295.8s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 12.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 9 SDslu, 6 SDs, 0 SdLazy, 11 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s 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/nested1.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-05-36-516.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-05-36-516.csv Completed graceful shutdown