java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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.UNBOUNDED.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:01:14,253 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:01:14,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:01:14,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:01:14,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:01:14,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:01:14,274 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:01:14,275 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:01:14,277 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:01:14,278 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:01:14,279 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:01:14,279 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:01:14,280 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:01:14,281 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:01:14,282 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:01:14,283 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:01:14,284 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:01:14,290 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:01:14,292 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:01:14,293 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:01:14,295 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:01:14,298 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:01:14,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:01:14,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:01:14,303 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:01:14,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:01:14,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:01:14,308 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:01:14,309 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:01:14,310 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:01:14,310 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:01:14,310 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:01:14,311 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:01:14,311 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:01:14,312 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:01:14,313 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:01:14,313 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 09:01:14,332 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:01:14,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:01:14,334 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:01:14,334 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:01:14,334 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:01:14,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:01:14,334 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:01:14,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:01:14,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:01:14,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:01:14,408 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:01:14,408 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:01:14,409 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl [2018-09-26 09:01:14,409 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl' [2018-09-26 09:01:14,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:01:14,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:01:14,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:01:14,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:01:14,487 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:01:14,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (1/1) ... [2018-09-26 09:01:14,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (1/1) ... [2018-09-26 09:01:14,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:01:14,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:01:14,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:01:14,549 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:01:14,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (1/1) ... [2018-09-26 09:01:14,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (1/1) ... [2018-09-26 09:01:14,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (1/1) ... [2018-09-26 09:01:14,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (1/1) ... [2018-09-26 09:01:14,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (1/1) ... [2018-09-26 09:01:14,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (1/1) ... [2018-09-26 09:01:14,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (1/1) ... [2018-09-26 09:01:14,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:01:14,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:01:14,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:01:14,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:01:14,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (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 [2018-09-26 09:01:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:01:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:01:15,999 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:01:16,000 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:01:16 BoogieIcfgContainer [2018-09-26 09:01:16,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:01:16,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:01:16,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:01:16,005 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:01:16,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:01:14" (1/2) ... [2018-09-26 09:01:16,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e984d44 and model type pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:01:16, skipping insertion in model container [2018-09-26 09:01:16,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:01:16" (2/2) ... [2018-09-26 09:01:16,009 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl [2018-09-26 09:01:16,019 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:01:16,028 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:01:16,077 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:01:16,078 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:01:16,078 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:01:16,078 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:01:16,078 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:01:16,078 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:01:16,079 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:01:16,079 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:01:16,079 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:01:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:01:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:01:16,104 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:01:16,105 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:01:16,106 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:01:16,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:01:16,112 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 [2018-09-26 09:01:16,139 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:01:17,189 WARN L178 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 09:01:17,770 WARN L178 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 09:01:17,830 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:01:17,830 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 09:01:17,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:01:17,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:01:17,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 09:01:17,845 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 09:01:17,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:01:17,933 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:01:17,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 09:01:17,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 09:01:17,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:01:17,948 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:01:17,948 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:01:17,952 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 09:01:17,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:01:17,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:01:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:01:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:01:17,987 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:01:17,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:01:17,988 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:01:17,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:01:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:01:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:01:17,989 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:01:17,989 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:01:17,990 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:01:17,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:01:17,990 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 [2018-09-26 09:01:18,004 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:01:18,305 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 09:01:18,612 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 09:01:19,457 WARN L178 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-26 09:01:19,723 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 09:01:20,114 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 151 [2018-09-26 09:01:20,518 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-09-26 09:01:20,893 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-26 09:01:21,384 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-09-26 09:01:22,302 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-26 09:01:23,155 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 318 [2018-09-26 09:01:24,036 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2018-09-26 09:01:24,533 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-09-26 09:01:25,474 WARN L178 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 475 [2018-09-26 09:01:26,965 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2018-09-26 09:01:27,686 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-09-26 09:01:29,210 WARN L178 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2018-09-26 09:01:31,533 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-09-26 09:01:32,396 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2018-09-26 09:01:34,689 WARN L178 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 649 [2018-09-26 09:01:38,759 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-09-26 09:01:39,621 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2018-09-26 09:01:43,640 WARN L178 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 653 DAG size of output: 653 [2018-09-26 09:01:50,154 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2018-09-26 09:01:51,894 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 597 [2018-09-26 09:01:57,496 WARN L178 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 823 [2018-09-26 09:02:08,747 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2018-09-26 09:02:10,471 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2018-09-26 09:02:20,300 WARN L178 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 827 DAG size of output: 827 [2018-09-26 09:02:37,955 WARN L178 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2018-09-26 09:02:40,792 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 702 [2018-09-26 09:02:53,480 WARN L178 SmtUtils]: Spent 9.78 s on a formula simplification that was a NOOP. DAG size: 997 [2018-09-26 09:03:20,906 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 705 [2018-09-26 09:03:23,624 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 706 [2018-09-26 09:03:53,232 WARN L178 SmtUtils]: Spent 24.71 s on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2018-09-26 09:04:33,729 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 806 [2018-09-26 09:04:39,208 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 807 [2018-09-26 09:05:12,296 WARN L178 SmtUtils]: Spent 28.82 s on a formula simplification that was a NOOP. DAG size: 1171 Received shutdown request... [2018-09-26 09:06:00,666 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:06:00,666 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:06:00,672 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:06:00,672 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:06:00 BoogieIcfgContainer [2018-09-26 09:06:00,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:06:00,673 INFO L168 Benchmark]: Toolchain (without parser) took 286189.94 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 16.8 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 217.4 MB). Peak memory consumption was 608.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:06:00,675 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 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. [2018-09-26 09:06:00,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.79 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. [2018-09-26 09:06:00,677 INFO L168 Benchmark]: Boogie Preprocessor took 67.76 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. [2018-09-26 09:06:00,678 INFO L168 Benchmark]: RCFGBuilder took 1384.29 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:06:00,679 INFO L168 Benchmark]: TraceAbstraction took 284670.98 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 16.8 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 132.8 MB). Peak memory consumption was 524.3 MB. Max. memory is 7.1 GB. [2018-09-26 09:06:00,684 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 0.14 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. * Boogie Procedure Inliner took 60.79 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 67.76 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. * RCFGBuilder took 1384.29 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 284670.98 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 16.8 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 132.8 MB). Peak memory consumption was 524.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 541). 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, 284.6s 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, 1.5s 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: 1.5s 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.UNBOUNDED.pals.c_12.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-06-00-695.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c_12.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-06-00-695.csv Completed graceful shutdown