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.4.ufo.BOUNDED-8.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:04:56,173 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:04:56,175 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:04:56,187 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:04:56,187 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:04:56,188 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:04:56,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:04:56,191 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:04:56,193 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:04:56,193 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:04:56,194 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:04:56,195 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:04:56,195 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:04:56,196 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:04:56,197 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:04:56,198 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:04:56,199 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:04:56,201 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:04:56,203 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:04:56,204 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:04:56,205 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:04:56,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:04:56,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:04:56,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:04:56,210 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:04:56,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:04:56,212 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:04:56,212 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:04:56,213 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:04:56,214 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:04:56,214 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:04:56,215 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:04:56,215 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:04:56,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:04:56,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:04:56,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:04:56,218 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 16:04:56,234 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:04:56,234 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:04:56,236 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:04:56,236 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:04:56,236 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:04:56,237 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:04:56,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:04:56,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:04:56,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:04:56,307 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:04:56,307 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:04:56,308 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl [2018-07-23 16:04:56,308 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl' [2018-07-23 16:04:56,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:04:56,381 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:04:56,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:04:56,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:04:56,382 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:04:56,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:04:56" (1/1) ... [2018-07-23 16:04:56,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:04:56" (1/1) ... [2018-07-23 16:04:56,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:04:56" (1/1) ... [2018-07-23 16:04:56,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:04:56" (1/1) ... [2018-07-23 16:04:56,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:04:56" (1/1) ... [2018-07-23 16:04:56,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:04:56" (1/1) ... [2018-07-23 16:04:56,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:04:56" (1/1) ... [2018-07-23 16:04:56,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:04:56,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:04:56,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:04:56,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:04:56,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:04:56" (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 16:04:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:04:57,537 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:04:57,537 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:04:57 BoogieIcfgContainer [2018-07-23 16:04:57,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:04:57,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:04:57,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:04:57,542 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:04:57,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:04:56" (1/2) ... [2018-07-23 16:04:57,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe79e76 and model type pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:04:57, skipping insertion in model container [2018-07-23 16:04:57,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:04:57" (2/2) ... [2018-07-23 16:04:57,546 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl [2018-07-23 16:04:57,556 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:04:57,564 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:04:57,611 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:04:57,612 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:04:57,612 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:04:57,612 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:04:57,612 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:04:57,612 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:04:57,613 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:04:57,613 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:04:57,613 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:04:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:04:57,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:04:57,636 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:04:57,637 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:04:57,638 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:04:57,643 INFO L82 PathProgramCache]: Analyzing trace with hash 990345, now seen corresponding path program 1 times [2018-07-23 16:04:57,651 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:04:58,405 WARN L169 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-07-23 16:04:58,743 WARN L169 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-07-23 16:04:58,771 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:04:58,772 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 16:04:58,776 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:04:58,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:04:58,781 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:04:58,784 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 16:04:58,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:04:58,866 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 16:04:58,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:04:58,868 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 16:04:58,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:04:58,879 INFO L225 Difference]: With dead ends: 10 [2018-07-23 16:04:58,880 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 16:04:58,883 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:04:58,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 16:04:58,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 16:04:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 16:04:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 16:04:58,922 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 16:04:58,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:04:58,923 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 16:04:58,923 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:04:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 16:04:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 16:04:58,924 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:04:58,924 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 16:04:58,924 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:04:58,925 INFO L82 PathProgramCache]: Analyzing trace with hash 951799901, now seen corresponding path program 1 times [2018-07-23 16:04:58,925 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:04:59,266 WARN L169 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-07-23 16:04:59,498 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-07-23 16:04:59,799 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-07-23 16:04:59,964 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-07-23 16:05:00,266 WARN L169 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2018-07-23 16:05:00,564 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 217 [2018-07-23 16:05:01,062 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-07-23 16:05:02,096 WARN L169 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 247 [2018-07-23 16:05:02,915 WARN L169 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 296 [2018-07-23 16:05:03,916 WARN L169 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-23 16:05:05,742 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-07-23 16:05:06,849 WARN L169 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 367 [2018-07-23 16:05:09,342 WARN L169 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 376 [2018-07-23 16:05:10,129 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-07-23 16:05:11,200 WARN L169 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 490 [2018-07-23 16:05:14,685 WARN L169 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2018-07-23 16:05:17,467 WARN L169 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 493 DAG size of output: 493 [2018-07-23 16:05:23,747 WARN L169 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2018-07-23 16:05:25,250 WARN L169 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2018-07-23 16:05:27,586 WARN L169 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 616 [2018-07-23 16:05:37,815 WARN L169 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2018-07-23 16:05:39,596 WARN L169 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-07-23 16:05:44,029 WARN L169 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 620 DAG size of output: 620 [2018-07-23 16:06:01,554 WARN L169 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 536 [2018-07-23 16:06:05,119 WARN L169 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-07-23 16:06:09,598 WARN L169 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 743 [2018-07-23 16:06:40,028 WARN L169 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2018-07-23 16:06:43,444 WARN L169 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2018-07-23 16:06:51,833 WARN L169 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2018-07-23 16:07:41,704 WARN L169 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 616 [2018-07-23 16:07:47,759 WARN L169 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-07-23 16:07:58,846 WARN L169 SmtUtils]: Spent 4.83 s on a formula simplification that was a NOOP. DAG size: 870 [2018-07-23 16:09:16,139 WARN L169 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2018-07-23 16:09:22,248 WARN L169 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2018-07-23 16:09:41,391 WARN L169 SmtUtils]: Spent 10.83 s on a formula simplification. DAG size of input: 873 DAG size of output: 873 Received shutdown request... [2018-07-23 16:09:44,016 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:09:44,021 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:09:44,022 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:09:44 BoogieIcfgContainer [2018-07-23 16:09:44,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:09:44,023 INFO L168 Benchmark]: Toolchain (without parser) took 287642.68 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 78.6 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Peak memory consumption was 672.0 MB. Max. memory is 7.1 GB. [2018-07-23 16:09:44,024 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 16:09:44,025 INFO L168 Benchmark]: Boogie Preprocessor took 76.34 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 16:09:44,026 INFO L168 Benchmark]: RCFGBuilder took 1079.30 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-07-23 16:09:44,027 INFO L168 Benchmark]: TraceAbstraction took 286482.85 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 78.6 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 100.3 MB). Peak memory consumption was 619.2 MB. Max. memory is 7.1 GB. [2018-07-23 16:09:44,033 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.34 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 1079.30 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 286482.85 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 78.6 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 100.3 MB). Peak memory consumption was 619.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 390]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 390). 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, 17 locations, 1 error locations. TIMEOUT Result, 286.4s 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, 0.9s 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.4.ufo.BOUNDED-8.pals.c_10.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-09-44-046.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-09-44-046.csv Completed graceful shutdown