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.4.ufo.UNBOUNDED.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:05:33,255 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:05:33,257 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:05:33,273 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:05:33,274 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:05:33,275 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:05:33,276 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:05:33,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:05:33,279 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:05:33,280 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:05:33,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:05:33,281 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:05:33,282 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:05:33,282 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:05:33,284 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:05:33,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:05:33,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:05:33,287 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:05:33,289 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:05:33,290 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:05:33,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:05:33,292 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:05:33,295 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:05:33,295 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:05:33,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:05:33,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:05:33,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:05:33,301 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:05:33,302 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:05:33,303 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:05:33,304 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:05:33,304 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:05:33,304 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:05:33,305 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:05:33,306 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:05:33,306 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:05:33,308 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 14:05:33,322 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:05:33,323 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:05:33,325 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:05:33,325 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:05:33,325 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:05:33,326 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:05:33,326 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:05:33,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:05:33,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:05:33,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:05:33,420 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:05:33,420 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:05:33,421 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl [2018-07-25 14:05:33,422 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl' [2018-07-25 14:05:33,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:05:33,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:05:33,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:05:33,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:05:33,514 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:05:33,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (1/1) ... [2018-07-25 14:05:33,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (1/1) ... [2018-07-25 14:05:33,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:05:33,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:05:33,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:05:33,560 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:05:33,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (1/1) ... [2018-07-25 14:05:33,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (1/1) ... [2018-07-25 14:05:33,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (1/1) ... [2018-07-25 14:05:33,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (1/1) ... [2018-07-25 14:05:33,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (1/1) ... [2018-07-25 14:05:33,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (1/1) ... [2018-07-25 14:05:33,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (1/1) ... [2018-07-25 14:05:33,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:05:33,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:05:33,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:05:33,619 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:05:33,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (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 14:05:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:05:33,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:05:34,662 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:05:34,663 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:05:34 BoogieIcfgContainer [2018-07-25 14:05:34,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:05:34,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:05:34,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:05:34,679 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:05:34,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:33" (1/2) ... [2018-07-25 14:05:34,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52fc053 and model type pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:05:34, skipping insertion in model container [2018-07-25 14:05:34,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:05:34" (2/2) ... [2018-07-25 14:05:34,687 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl [2018-07-25 14:05:34,712 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:05:34,731 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:05:34,789 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:05:34,790 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:05:34,790 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:05:34,790 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:05:34,790 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:05:34,790 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:05:34,790 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:05:34,791 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:05:34,791 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:05:34,805 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:05:34,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:05:34,813 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:05:34,814 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:05:34,815 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:05:34,821 INFO L82 PathProgramCache]: Analyzing trace with hash 990345, 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 14:05:34,842 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:05:35,514 WARN L169 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-07-25 14:05:35,944 WARN L169 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-25 14:05:36,009 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:05:36,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:05:36,014 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:05:36,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:05:36,022 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:05:36,025 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 14:05:36,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:05:36,094 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:05:36,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:05:36,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 14:05:36,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:05:36,110 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:05:36,110 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:05:36,115 INFO L574 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 [2018-07-25 14:05:36,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:05:36,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:05:36,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:05:36,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:05:36,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:05:36,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:05:36,150 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:05:36,150 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:05:36,150 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:05:36,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:05:36,151 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:05:36,151 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:05:36,152 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:05:36,152 INFO L82 PathProgramCache]: Analyzing trace with hash 951799901, 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 14:05:36,168 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:05:36,374 WARN L169 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-07-25 14:05:36,717 WARN L169 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-25 14:05:37,112 WARN L169 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-07-25 14:05:37,374 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-07-25 14:05:37,698 WARN L169 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2018-07-25 14:05:38,460 WARN L169 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-07-25 14:05:39,828 WARN L169 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2018-07-25 14:05:41,657 WARN L169 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-07-25 14:05:44,688 WARN L169 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2018-07-25 14:05:46,534 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-07-25 14:05:47,483 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-07-25 14:05:48,760 WARN L169 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 485 [2018-07-25 14:05:52,082 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2018-07-25 14:05:52,742 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-25 14:05:55,214 WARN L169 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2018-07-25 14:06:00,378 WARN L169 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2018-07-25 14:06:01,471 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2018-07-25 14:06:04,458 WARN L169 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 609 [2018-07-25 14:06:13,069 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-07-25 14:06:14,161 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2018-07-25 14:06:19,141 WARN L169 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 613 DAG size of output: 613 [2018-07-25 14:06:32,901 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2018-07-25 14:06:34,588 WARN L169 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2018-07-25 14:06:40,210 WARN L169 SmtUtils]: Spent 3.94 s on a formula simplification that was a NOOP. DAG size: 733 [2018-07-25 14:07:00,912 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2018-07-25 14:07:02,708 WARN L169 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2018-07-25 14:07:13,344 WARN L169 SmtUtils]: Spent 8.86 s on a formula simplification. DAG size of input: 737 DAG size of output: 737 [2018-07-25 14:07:43,558 WARN L169 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 613 [2018-07-25 14:07:46,198 WARN L169 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2018-07-25 14:07:57,315 WARN L169 SmtUtils]: Spent 8.17 s on a formula simplification that was a NOOP. DAG size: 857 [2018-07-25 14:08:42,007 WARN L169 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-07-25 14:08:45,171 WARN L169 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2018-07-25 14:09:04,205 WARN L169 SmtUtils]: Spent 16.52 s on a formula simplification. DAG size of input: 861 DAG size of output: 861 [2018-07-25 14:10:08,351 WARN L169 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 692 [2018-07-25 14:10:12,832 WARN L169 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 693 Received shutdown request... [2018-07-25 14:10:17,622 WARN L177 SmtUtils]: Removed 2 from assertion stack [2018-07-25 14:10:17,825 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:10:17,825 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:10:17,831 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:10:17,831 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:10:17 BoogieIcfgContainer [2018-07-25 14:10:17,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:10:17,832 INFO L168 Benchmark]: Toolchain (without parser) took 284319.99 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -99.6 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 425.5 MB). Peak memory consumption was 473.9 MB. Max. memory is 7.1 GB. [2018-07-25 14:10:17,833 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.02 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 14:10:17,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.76 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 14:10:17,834 INFO L168 Benchmark]: Boogie Preprocessor took 58.14 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 14:10:17,835 INFO L168 Benchmark]: RCFGBuilder took 1046.64 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. [2018-07-25 14:10:17,836 INFO L168 Benchmark]: TraceAbstraction took 283161.91 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -99.6 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 372.7 MB). Peak memory consumption was 421.1 MB. Max. memory is 7.1 GB. [2018-07-25 14:10:17,840 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 1.02 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 45.76 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 58.14 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 1046.64 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 283161.91 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -99.6 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 372.7 MB). Peak memory consumption was 421.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 386]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 386). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 981. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. TIMEOUT Result, 283.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s 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.4.ufo.UNBOUNDED.pals.c_10.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-10-17-853.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-10-17-853.csv Completed graceful shutdown