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.6.1.ufo.BOUNDED-12.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:08:34,014 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:08:34,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:08:34,029 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:08:34,029 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:08:34,030 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:08:34,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:08:34,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:08:34,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:08:34,037 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:08:34,037 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:08:34,038 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:08:34,039 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:08:34,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:08:34,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:08:34,042 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:08:34,043 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:08:34,045 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:08:34,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:08:34,049 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:08:34,050 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:08:34,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:08:34,054 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:08:34,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:08:34,055 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:08:34,056 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:08:34,057 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:08:34,058 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:08:34,059 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:08:34,060 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:08:34,061 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:08:34,061 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:08:34,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:08:34,062 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:08:34,063 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:08:34,064 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:08:34,064 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 14:08:34,073 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:08:34,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:08:34,075 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:08:34,076 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:08:34,076 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:08:34,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:08:34,077 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:08:34,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:08:34,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:08:34,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:08:34,148 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:08:34,149 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:08:34,150 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl [2018-07-25 14:08:34,150 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl' [2018-07-25 14:08:34,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:08:34,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:08:34,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:08:34,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:08:34,264 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:08:34,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (1/1) ... [2018-07-25 14:08:34,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (1/1) ... [2018-07-25 14:08:34,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:08:34,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:08:34,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:08:34,326 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:08:34,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (1/1) ... [2018-07-25 14:08:34,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (1/1) ... [2018-07-25 14:08:34,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (1/1) ... [2018-07-25 14:08:34,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (1/1) ... [2018-07-25 14:08:34,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (1/1) ... [2018-07-25 14:08:34,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (1/1) ... [2018-07-25 14:08:34,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (1/1) ... [2018-07-25 14:08:34,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:08:34,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:08:34,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:08:34,392 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:08:34,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (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 14:08:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:08:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:08:35,739 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:08:35,740 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:08:35 BoogieIcfgContainer [2018-07-25 14:08:35,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:08:35,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:08:35,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:08:35,745 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:08:35,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:08:34" (1/2) ... [2018-07-25 14:08:35,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55734e1f and model type pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:08:35, skipping insertion in model container [2018-07-25 14:08:35,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:08:35" (2/2) ... [2018-07-25 14:08:35,749 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl [2018-07-25 14:08:35,759 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:08:35,768 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:08:35,814 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:08:35,815 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:08:35,815 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:08:35,816 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:08:35,816 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:08:35,816 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:08:35,816 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:08:35,817 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:08:35,817 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:08:35,832 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:08:35,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:08:35,840 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:08:35,842 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:08:35,843 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:08:35,848 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 14:08:35,873 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:08:36,890 WARN L169 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-25 14:08:37,265 WARN L169 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-07-25 14:08:37,328 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:08:37,328 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:08:37,333 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:08:37,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:08:37,338 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:08:37,341 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 14:08:37,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:08:37,440 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:08:37,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:08:37,444 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 14:08:37,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:08:37,455 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:08:37,455 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:08:37,458 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:08:37,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:08:37,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:08:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:08:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:08:37,494 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:08:37,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:08:37,494 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:08:37,495 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:08:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:08:37,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:08:37,495 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:08:37,496 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:08:37,496 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:08:37,496 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 14:08:37,517 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:08:37,916 WARN L169 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-25 14:08:38,383 WARN L169 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-07-25 14:08:38,705 WARN L169 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-07-25 14:08:38,905 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-07-25 14:08:39,324 WARN L169 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 165 [2018-07-25 14:08:39,792 WARN L169 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 290 [2018-07-25 14:08:40,622 WARN L169 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2018-07-25 14:08:41,114 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-07-25 14:08:42,147 WARN L169 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2018-07-25 14:08:43,448 WARN L169 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 395 [2018-07-25 14:08:43,957 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2018-07-25 14:08:45,035 WARN L169 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-07-25 14:08:46,553 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-07-25 14:08:47,460 WARN L169 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2018-07-25 14:08:49,132 WARN L169 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 493 DAG size of output: 493 [2018-07-25 14:08:51,821 WARN L169 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 501 [2018-07-25 14:08:52,923 WARN L169 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2018-07-25 14:08:54,921 WARN L169 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 666 [2018-07-25 14:08:59,627 WARN L169 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2018-07-25 14:09:00,799 WARN L169 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-07-25 14:09:03,919 WARN L169 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 670 DAG size of output: 670 [2018-07-25 14:09:11,532 WARN L169 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 607 [2018-07-25 14:09:14,504 WARN L169 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2018-07-25 14:09:19,061 WARN L169 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 843 [2018-07-25 14:09:33,662 WARN L169 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2018-07-25 14:09:35,650 WARN L169 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2018-07-25 14:09:42,680 WARN L169 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 847 DAG size of output: 847 [2018-07-25 14:10:08,197 WARN L169 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 715 DAG size of output: 713 [2018-07-25 14:10:13,099 WARN L169 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 714 [2018-07-25 14:10:23,185 WARN L169 SmtUtils]: Spent 6.96 s on a formula simplification that was a NOOP. DAG size: 1020 [2018-07-25 14:11:01,794 WARN L169 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 716 [2018-07-25 14:11:06,868 WARN L169 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2018-07-25 14:11:21,601 WARN L169 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 1023 DAG size of output: 1023 [2018-07-25 14:12:46,220 WARN L169 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 820 DAG size of output: 818 [2018-07-25 14:12:55,087 WARN L169 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 819 [2018-07-25 14:13:16,353 WARN L169 SmtUtils]: Spent 14.47 s on a formula simplification that was a NOOP. DAG size: 1196 Received shutdown request... [2018-07-25 14:13:21,925 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:13:21,926 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:13:21,931 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:13:21,931 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:13:21 BoogieIcfgContainer [2018-07-25 14:13:21,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:13:21,932 INFO L168 Benchmark]: Toolchain (without parser) took 287672.22 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 123.2 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -141.1 MB). Peak memory consumption was 719.4 MB. Max. memory is 7.1 GB. [2018-07-25 14:13:21,933 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. [2018-07-25 14:13:21,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.27 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. [2018-07-25 14:13:21,934 INFO L168 Benchmark]: Boogie Preprocessor took 65.55 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. [2018-07-25 14:13:21,935 INFO L168 Benchmark]: RCFGBuilder took 1348.76 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-07-25 14:13:21,936 INFO L168 Benchmark]: TraceAbstraction took 286189.66 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 123.2 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -215.1 MB). Peak memory consumption was 645.4 MB. Max. memory is 7.1 GB. [2018-07-25 14:13:21,945 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 Procedure Inliner took 62.27 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 65.55 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 1348.76 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 286189.66 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 123.2 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -215.1 MB). Peak memory consumption was 645.4 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, 286.1s 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, 1.2s 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: 1.3s 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.6.1.ufo.BOUNDED-12.pals.c_12.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-13-21-961.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_12.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-13-21-961.csv Completed graceful shutdown