java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./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/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:09:32,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:09:32,245 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:09:32,257 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:09:32,258 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:09:32,259 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:09:32,260 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:09:32,263 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:09:32,265 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:09:32,274 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:09:32,275 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:09:32,275 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:09:32,276 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:09:32,279 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:09:32,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:09:32,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:09:32,284 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:09:32,286 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:09:32,293 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:09:32,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:09:32,297 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:09:32,298 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:09:32,302 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:09:32,302 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:09:32,302 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:09:32,303 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:09:32,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:09:32,305 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:09:32,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:09:32,307 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:09:32,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:09:32,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:09:32,308 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:09:32,311 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:09:32,312 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:09:32,313 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:09:32,313 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 14:09:32,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:09:32,331 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:09:32,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:09:32,333 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:09:32,333 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:09:32,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:09:32,333 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:09:32,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:09:32,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:09:32,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:09:32,421 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:09:32,422 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:09:32,423 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl [2018-07-25 14:09:32,423 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl' [2018-07-25 14:09:32,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:09:32,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:09:32,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:09:32,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:09:32,514 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:09:32,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (1/1) ... [2018-07-25 14:09:32,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (1/1) ... [2018-07-25 14:09:32,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:09:32,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:09:32,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:09:32,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:09:32,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (1/1) ... [2018-07-25 14:09:32,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (1/1) ... [2018-07-25 14:09:32,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (1/1) ... [2018-07-25 14:09:32,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (1/1) ... [2018-07-25 14:09:32,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (1/1) ... [2018-07-25 14:09:32,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (1/1) ... [2018-07-25 14:09:32,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (1/1) ... [2018-07-25 14:09:32,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:09:32,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:09:32,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:09:32,616 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:09:32,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (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 [2018-07-25 14:09:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:09:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:09:34,151 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:09:34,152 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:09:34 BoogieIcfgContainer [2018-07-25 14:09:34,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:09:34,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:09:34,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:09:34,157 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:09:34,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:32" (1/2) ... [2018-07-25 14:09:34,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c225ef0 and model type pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:09:34, skipping insertion in model container [2018-07-25 14:09:34,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:09:34" (2/2) ... [2018-07-25 14:09:34,161 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl [2018-07-25 14:09:34,171 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:09:34,188 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:09:34,234 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:09:34,235 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:09:34,235 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:09:34,236 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:09:34,236 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:09:34,236 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:09:34,236 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:09:34,236 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:09:34,237 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:09:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:09:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:09:34,260 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:09:34,261 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:09:34,262 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:09:34,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1011999, 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 [2018-07-25 14:09:34,299 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:09:35,114 WARN L169 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-25 14:09:35,494 WARN L169 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-07-25 14:09:35,560 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:09:35,561 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:09:35,564 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:09:35,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:09:35,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:09:35,572 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 14:09:35,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:09:35,672 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:09:35,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:09:35,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 14:09:35,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:09:35,687 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:09:35,687 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:09:35,691 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:09:35,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:09:35,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:09:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:09:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:09:35,730 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:09:35,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:09:35,730 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:09:35,730 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:09:35,731 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:09:35,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:09:35,731 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:09:35,731 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:09:35,732 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:09:35,732 INFO L82 PathProgramCache]: Analyzing trace with hash 972615673, 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 [2018-07-25 14:09:35,747 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:09:36,352 WARN L169 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-25 14:09:36,583 WARN L169 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-07-25 14:09:36,944 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-07-25 14:09:37,148 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-07-25 14:09:37,545 WARN L169 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 165 [2018-07-25 14:09:37,989 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 290 [2018-07-25 14:09:38,716 WARN L169 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2018-07-25 14:09:39,273 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-07-25 14:09:39,576 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-07-25 14:09:40,433 WARN L169 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2018-07-25 14:09:41,556 WARN L169 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 395 [2018-07-25 14:09:42,048 WARN L169 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2018-07-25 14:09:43,115 WARN L169 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-07-25 14:09:44,546 WARN L169 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-07-25 14:09:45,337 WARN L169 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2018-07-25 14:09:47,049 WARN L169 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 493 DAG size of output: 493 [2018-07-25 14:09:49,896 WARN L169 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 501 [2018-07-25 14:09:51,036 WARN L169 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2018-07-25 14:09:52,679 WARN L169 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 666 [2018-07-25 14:09:57,139 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2018-07-25 14:09:58,150 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-07-25 14:10:01,146 WARN L169 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 670 DAG size of output: 670 [2018-07-25 14:10:09,535 WARN L169 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 609 DAG size of output: 607 [2018-07-25 14:10:12,494 WARN L169 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2018-07-25 14:10:16,295 WARN L169 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 843 [2018-07-25 14:10:29,753 WARN L169 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2018-07-25 14:10:32,000 WARN L169 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2018-07-25 14:10:39,722 WARN L169 SmtUtils]: Spent 5.84 s on a formula simplification. DAG size of input: 847 DAG size of output: 847 [2018-07-25 14:11:02,828 WARN L169 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 713 [2018-07-25 14:11:07,815 WARN L169 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 714 [2018-07-25 14:11:16,297 WARN L169 SmtUtils]: Spent 5.54 s on a formula simplification that was a NOOP. DAG size: 1020 [2018-07-25 14:11:54,495 WARN L169 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 716 [2018-07-25 14:11:59,023 WARN L169 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2018-07-25 14:12:13,615 WARN L169 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 1023 DAG size of output: 1023 [2018-07-25 14:13:19,840 WARN L169 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 820 DAG size of output: 818 [2018-07-25 14:13:29,081 WARN L169 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 819 [2018-07-25 14:13:49,373 WARN L169 SmtUtils]: Spent 10.98 s on a formula simplification that was a NOOP. DAG size: 1196 Received shutdown request... [2018-07-25 14:14:21,018 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:14:21,018 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:14:21,025 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:14:21,026 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:14:21 BoogieIcfgContainer [2018-07-25 14:14:21,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:14:21,027 INFO L168 Benchmark]: Toolchain (without parser) took 288519.63 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 40.9 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 97.2 MB). Peak memory consumption was 634.7 MB. Max. memory is 7.1 GB. [2018-07-25 14:14:21,031 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:14:21,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.84 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:14:21,032 INFO L168 Benchmark]: Boogie Preprocessor took 56.53 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:14:21,033 INFO L168 Benchmark]: RCFGBuilder took 1536.47 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-07-25 14:14:21,033 INFO L168 Benchmark]: TraceAbstraction took 286873.08 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 40.9 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.6 MB). Peak memory consumption was 550.2 MB. Max. memory is 7.1 GB. [2018-07-25 14:14:21,042 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 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.84 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.53 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1536.47 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 286873.08 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 40.9 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.6 MB). Peak memory consumption was 550.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 42 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. TIMEOUT Result, 286.7s 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, 1.1s 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: 1.1s 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.6.ufo.BOUNDED-12.pals.c_12.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-14-21-059.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-14-21-059.csv Completed graceful shutdown