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.BOUNDED-8.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:05:09,709 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:05:09,711 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:05:09,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:05:09,726 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:05:09,727 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:05:09,728 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:05:09,730 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:05:09,732 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:05:09,733 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:05:09,734 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:05:09,734 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:05:09,735 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:05:09,736 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:05:09,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:05:09,738 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:05:09,739 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:05:09,741 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:05:09,743 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:05:09,744 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:05:09,746 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:05:09,747 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:05:09,749 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:05:09,750 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:05:09,750 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:05:09,751 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:05:09,752 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:05:09,753 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:05:09,754 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:05:09,755 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:05:09,755 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:05:09,756 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:05:09,756 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:05:09,756 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:05:09,757 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:05:09,758 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:05:09,759 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 14:05:09,769 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:05:09,769 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:05:09,771 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:05:09,771 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:05:09,771 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:05:09,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:05:09,771 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:05:09,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:05:09,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:05:09,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:05:09,853 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:05:09,854 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:05:09,854 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl [2018-07-25 14:05:09,855 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl' [2018-07-25 14:05:09,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:05:09,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:05:09,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:05:09,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:05:09,959 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:05:09,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:09" (1/1) ... [2018-07-25 14:05:09,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:05:09" (1/1) ... [2018-07-25 14:05:10,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:05:10,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:05:10,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:05:10,019 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:05:10,030 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 25.07 02:05:09" (1/1) ... [2018-07-25 14:05:10,030 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 25.07 02:05:09" (1/1) ... [2018-07-25 14:05:10,033 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 25.07 02:05:09" (1/1) ... [2018-07-25 14:05:10,033 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 25.07 02:05:09" (1/1) ... [2018-07-25 14:05:10,045 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 25.07 02:05:09" (1/1) ... [2018-07-25 14:05:10,050 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 25.07 02:05:09" (1/1) ... [2018-07-25 14:05:10,056 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 25.07 02:05:09" (1/1) ... [2018-07-25 14:05:10,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:05:10,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:05:10,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:05:10,065 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:05:10,069 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 25.07 02:05:09" (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 14:05:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:05:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:05:11,302 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:05:11,302 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 25.07 02:05:11 BoogieIcfgContainer [2018-07-25 14:05:11,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:05:11,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:05:11,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:05:11,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:05:11,312 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 25.07 02:05:09" (1/2) ... [2018-07-25 14:05:11,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8c1cd6 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 25.07 02:05:11, skipping insertion in model container [2018-07-25 14:05:11,314 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 25.07 02:05:11" (2/2) ... [2018-07-25 14:05:11,316 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl [2018-07-25 14:05:11,330 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:05:11,341 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:05:11,394 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:05:11,395 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:05:11,396 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:05:11,396 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:05:11,396 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:05:11,396 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:05:11,396 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:05:11,396 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:05:11,397 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:05:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:05:11,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:05:11,419 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:05:11,420 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:05:11,422 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:05:11,427 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 14:05:11,450 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:05:12,188 WARN L169 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-07-25 14:05:12,483 WARN L169 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-07-25 14:05:12,568 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:05:12,569 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:05:12,574 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:05:12,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:05:12,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:05:12,585 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 14:05:12,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:05:12,708 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:05:12,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:05:12,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 14:05:12,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:05:12,723 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:05:12,723 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:05:12,727 INFO L574 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 [2018-07-25 14:05:12,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:05:12,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:05:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:05:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:05:12,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:05:12,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:05:12,763 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:05:12,763 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:05:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:05:12,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:05:12,764 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:05:12,764 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:05:12,765 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:05:12,765 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 14:05:12,774 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:05:13,121 WARN L169 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-07-25 14:05:13,322 WARN L169 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-07-25 14:05:13,941 WARN L169 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-07-25 14:05:14,116 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-07-25 14:05:14,427 WARN L169 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2018-07-25 14:05:15,179 WARN L169 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-07-25 14:05:16,302 WARN L169 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 247 [2018-07-25 14:05:17,275 WARN L169 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 296 [2018-07-25 14:05:17,662 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-07-25 14:05:18,318 WARN L169 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-25 14:05:19,810 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2018-07-25 14:05:20,214 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-07-25 14:05:21,190 WARN L169 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 367 [2018-07-25 14:05:23,596 WARN L169 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 376 [2018-07-25 14:05:24,340 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-07-25 14:05:25,580 WARN L169 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 490 [2018-07-25 14:05:28,942 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2018-07-25 14:05:29,772 WARN L169 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2018-07-25 14:05:31,592 WARN L169 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 493 DAG size of output: 493 [2018-07-25 14:05:37,407 WARN L169 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2018-07-25 14:05:38,917 WARN L169 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2018-07-25 14:05:41,313 WARN L169 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 616 [2018-07-25 14:05:50,290 WARN L169 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2018-07-25 14:05:52,025 WARN L169 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-07-25 14:05:56,016 WARN L169 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 620 DAG size of output: 620 [2018-07-25 14:06:11,545 WARN L169 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 536 [2018-07-25 14:06:14,401 WARN L169 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-07-25 14:06:19,000 WARN L169 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 743 [2018-07-25 14:06:46,260 WARN L169 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2018-07-25 14:06:49,721 WARN L169 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2018-07-25 14:06:58,608 WARN L169 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2018-07-25 14:07:42,656 WARN L169 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 616 [2018-07-25 14:07:47,918 WARN L169 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-07-25 14:08:02,966 WARN L169 SmtUtils]: Spent 5.73 s on a formula simplification that was a NOOP. DAG size: 870 [2018-07-25 14:09:11,851 WARN L169 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2018-07-25 14:09:16,567 WARN L169 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2018-07-25 14:09:34,270 WARN L169 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 873 DAG size of output: 873 Received shutdown request... [2018-07-25 14:10:00,252 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:10:00,253 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:10:00,258 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:10:00,259 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 25.07 02:10:00 BoogieIcfgContainer [2018-07-25 14:10:00,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:10:00,260 INFO L168 Benchmark]: Toolchain (without parser) took 290304.86 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 92.8 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 44.2 MB). Peak memory consumption was 137.0 MB. Max. memory is 7.1 GB. [2018-07-25 14:10:00,261 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 14:10:00,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.75 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 14:10:00,262 INFO L168 Benchmark]: Boogie Preprocessor took 44.95 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 14:10:00,263 INFO L168 Benchmark]: RCFGBuilder took 1238.50 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 14:10:00,264 INFO L168 Benchmark]: TraceAbstraction took 288954.91 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 92.8 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -8.7 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2018-07-25 14:10:00,268 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 0.20 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 59.75 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 44.95 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 1238.50 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 288954.91 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 92.8 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -8.7 MB). Peak memory consumption was 84.1 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, 288.8s 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-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-10-00-280.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-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-10-00-280.csv Completed graceful shutdown