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/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:05:20,994 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:05:20,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:05:21,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:05:21,014 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:05:21,015 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:05:21,016 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:05:21,019 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:05:21,021 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:05:21,023 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:05:21,024 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:05:21,024 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:05:21,026 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:05:21,027 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:05:21,029 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:05:21,033 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:05:21,034 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:05:21,036 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:05:21,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:05:21,050 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:05:21,052 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:05:21,055 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:05:21,057 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:05:21,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:05:21,057 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:05:21,058 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:05:21,059 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:05:21,060 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:05:21,060 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:05:21,061 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:05:21,061 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:05:21,062 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:05:21,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:05:21,063 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:05:21,064 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:05:21,065 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:05:21,065 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 16:05:21,074 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:05:21,075 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:05:21,076 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:05:21,076 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:05:21,077 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:05:21,077 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:05:21,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:05:21,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:05:21,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:05:21,141 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:05:21,142 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:05:21,143 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl [2018-07-23 16:05:21,143 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl' [2018-07-23 16:05:21,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:05:21,225 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:05:21,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:05:21,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:05:21,226 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:05:21,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:21" (1/1) ... [2018-07-23 16:05:21,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:21" (1/1) ... [2018-07-23 16:05:21,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:21" (1/1) ... [2018-07-23 16:05:21,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:21" (1/1) ... [2018-07-23 16:05:21,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:21" (1/1) ... [2018-07-23 16:05:21,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:21" (1/1) ... [2018-07-23 16:05:21,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:21" (1/1) ... [2018-07-23 16:05:21,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:05:21,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:05:21,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:05:21,308 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:05:21,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:21" (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 16:05:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:05:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:05:22,465 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:05:22,466 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:05:22 BoogieIcfgContainer [2018-07-23 16:05:22,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:05:22,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:05:22,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:05:22,477 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:05:22,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:21" (1/2) ... [2018-07-23 16:05:22,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a4184f and model type pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:05:22, skipping insertion in model container [2018-07-23 16:05:22,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:05:22" (2/2) ... [2018-07-23 16:05:22,484 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl [2018-07-23 16:05:22,504 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:05:22,520 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:05:22,591 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:05:22,592 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:05:22,592 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:05:22,592 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:05:22,593 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:05:22,593 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:05:22,593 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:05:22,594 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:05:22,594 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:05:22,613 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:05:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:05:22,626 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:05:22,627 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:05:22,627 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:05:22,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1001172, now seen corresponding path program 1 times [2018-07-23 16:05:22,641 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:05:23,418 WARN L169 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-23 16:05:23,778 WARN L169 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-07-23 16:05:23,808 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:05:23,808 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 16:05:23,812 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:05:23,817 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:05:23,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:05:23,820 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 16:05:23,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:05:23,912 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 16:05:23,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:05:23,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 16:05:23,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:05:23,925 INFO L225 Difference]: With dead ends: 10 [2018-07-23 16:05:23,925 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 16:05:23,929 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:05:23,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 16:05:23,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 16:05:23,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 16:05:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 16:05:23,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 16:05:23,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:05:23,963 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 16:05:23,964 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:05:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 16:05:23,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 16:05:23,964 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:05:23,964 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 16:05:23,965 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:05:23,965 INFO L82 PathProgramCache]: Analyzing trace with hash 962207787, now seen corresponding path program 1 times [2018-07-23 16:05:23,965 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:05:24,275 WARN L169 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-23 16:05:24,621 WARN L169 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-07-23 16:05:25,083 WARN L169 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-07-23 16:05:25,265 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-23 16:05:25,627 WARN L169 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 147 [2018-07-23 16:05:26,414 WARN L169 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-07-23 16:05:27,905 WARN L169 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 286 [2018-07-23 16:05:28,610 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2018-07-23 16:05:29,977 WARN L169 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2018-07-23 16:05:31,317 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-07-23 16:05:33,547 WARN L169 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 425 DAG size of output: 425 [2018-07-23 16:05:35,777 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2018-07-23 16:05:36,573 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-07-23 16:05:38,319 WARN L169 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 570 [2018-07-23 16:05:41,957 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2018-07-23 16:05:42,732 WARN L169 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-23 16:05:45,730 WARN L169 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 574 DAG size of output: 574 [2018-07-23 16:05:52,017 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2018-07-23 16:05:53,229 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2018-07-23 16:05:56,898 WARN L169 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 719 [2018-07-23 16:06:06,498 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2018-07-23 16:06:07,761 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2018-07-23 16:06:14,340 WARN L169 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 723 DAG size of output: 723 [2018-07-23 16:06:29,154 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2018-07-23 16:06:31,239 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2018-07-23 16:06:39,281 WARN L169 SmtUtils]: Spent 6.06 s on a formula simplification that was a NOOP. DAG size: 868 [2018-07-23 16:07:02,962 WARN L169 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2018-07-23 16:07:05,107 WARN L169 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2018-07-23 16:07:18,762 WARN L169 SmtUtils]: Spent 11.76 s on a formula simplification. DAG size of input: 872 DAG size of output: 872 [2018-07-23 16:07:52,745 WARN L169 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 712 [2018-07-23 16:07:56,638 WARN L169 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 713 [2018-07-23 16:08:13,637 WARN L169 SmtUtils]: Spent 13.25 s on a formula simplification that was a NOOP. DAG size: 1017 [2018-07-23 16:09:04,302 WARN L169 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 716 [2018-07-23 16:09:08,199 WARN L169 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2018-07-23 16:09:41,191 WARN L169 SmtUtils]: Spent 26.27 s on a formula simplification. DAG size of input: 1021 DAG size of output: 1021 Received shutdown request... [2018-07-23 16:10:06,914 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:10:06,922 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:10:06,923 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:10:06 BoogieIcfgContainer [2018-07-23 16:10:06,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:10:06,924 INFO L168 Benchmark]: Toolchain (without parser) took 285699.45 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -86.0 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 475.3 MB). Peak memory consumption was 389.3 MB. Max. memory is 7.1 GB. [2018-07-23 16:10:06,925 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 16:10:06,926 INFO L168 Benchmark]: Boogie Preprocessor took 81.34 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 16:10:06,926 INFO L168 Benchmark]: RCFGBuilder took 1158.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-07-23 16:10:06,927 INFO L168 Benchmark]: TraceAbstraction took 284455.32 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -86.0 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 411.8 MB). Peak memory consumption was 325.8 MB. Max. memory is 7.1 GB. [2018-07-23 16:10:06,931 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 81.34 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 1158.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 284455.32 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -86.0 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 411.8 MB). Peak memory consumption was 325.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 463]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 463). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 45 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. TIMEOUT Result, 284.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s 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: 1.0s 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/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-10-06-942.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-10-06-942.csv Completed graceful shutdown