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/sum01_bug02_sum01_bug02_base.case.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:08:14,352 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:08:14,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:08:14,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:08:14,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:08:14,369 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:08:14,370 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:08:14,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:08:14,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:08:14,374 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:08:14,375 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:08:14,375 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:08:14,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:08:14,377 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:08:14,378 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:08:14,379 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:08:14,380 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:08:14,382 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:08:14,384 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:08:14,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:08:14,387 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:08:14,388 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:08:14,390 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:08:14,391 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:08:14,391 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:08:14,392 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:08:14,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:08:14,394 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:08:14,395 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:08:14,396 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:08:14,396 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:08:14,397 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:08:14,397 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:08:14,397 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:08:14,398 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:08:14,399 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:08:14,399 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 09:08:14,408 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:08:14,408 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:08:14,410 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:08:14,410 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:08:14,410 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:08:14,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:08:14,411 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:08:14,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:08:14,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:08:14,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:08:14,495 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:08:14,495 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:08:14,496 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01_bug02_sum01_bug02_base.case.i_4.bpl [2018-09-26 09:08:14,496 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01_bug02_sum01_bug02_base.case.i_4.bpl' [2018-09-26 09:08:14,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:08:14,552 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:08:14,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:08:14,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:08:14,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:08:14,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (1/1) ... [2018-09-26 09:08:14,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (1/1) ... [2018-09-26 09:08:14,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:08:14,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:08:14,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:08:14,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:08:14,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (1/1) ... [2018-09-26 09:08:14,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (1/1) ... [2018-09-26 09:08:14,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (1/1) ... [2018-09-26 09:08:14,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (1/1) ... [2018-09-26 09:08:14,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (1/1) ... [2018-09-26 09:08:14,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (1/1) ... [2018-09-26 09:08:14,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (1/1) ... [2018-09-26 09:08:14,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:08:14,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:08:14,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:08:14,618 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:08:14,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (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 09:08:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:08:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:08:14,980 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:08:14,980 INFO L202 PluginConnector]: Adding new model sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:08:14 BoogieIcfgContainer [2018-09-26 09:08:14,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:08:14,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:08:14,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:08:14,985 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:08:14,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:08:14" (1/2) ... [2018-09-26 09:08:14,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7b57e7 and model type sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:08:14, skipping insertion in model container [2018-09-26 09:08:14,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:08:14" (2/2) ... [2018-09-26 09:08:14,989 INFO L112 eAbstractionObserver]: Analyzing ICFG sum01_bug02_sum01_bug02_base.case.i_4.bpl [2018-09-26 09:08:14,999 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:08:15,007 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:08:15,050 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:08:15,050 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:08:15,051 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:08:15,051 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:08:15,051 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:08:15,051 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:08:15,051 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:08:15,051 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:08:15,052 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:08:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:08:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:08:15,075 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:08:15,076 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:08:15,077 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:08:15,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:08:15,084 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, 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 09:08:15,109 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:08:15,384 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:08:15,385 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:08:15,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:08:15,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:08:15,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:08:15,397 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 09:08:15,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:08:15,441 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:08:15,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:08:15,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 09:08:15,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:08:15,459 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:08:15,459 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:08:15,463 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:08:15,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:08:15,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:08:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:08:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:08:15,495 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:08:15,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:08:15,495 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:08:15,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:08:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:08:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:08:15,496 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:08:15,496 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:08:15,497 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:08:15,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:08:15,497 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, 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 09:08:15,508 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:08:16,155 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2018-09-26 09:08:16,824 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-09-26 09:08:17,134 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-09-26 09:08:18,195 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-09-26 09:08:18,822 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-26 09:08:19,474 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-26 09:08:20,270 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 09:08:21,099 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 09:08:22,093 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-09-26 09:08:23,082 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-09-26 09:08:24,278 WARN L178 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-09-26 09:08:25,677 WARN L178 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-09-26 09:08:27,304 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-09-26 09:08:29,147 WARN L178 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-26 09:08:30,094 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-09-26 09:08:31,254 WARN L178 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-09-26 09:08:32,309 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-09-26 09:08:33,520 WARN L178 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-09-26 09:08:34,950 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-09-26 09:08:36,454 WARN L178 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-09-26 09:08:37,850 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-09-26 09:08:39,421 WARN L178 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2018-09-26 09:08:41,116 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-09-26 09:08:42,782 WARN L178 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2018-09-26 09:08:44,744 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2018-09-26 09:08:46,666 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 319 [2018-09-26 09:08:48,935 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-09-26 09:08:50,920 WARN L178 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 333 [2018-09-26 09:08:53,601 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2018-09-26 09:08:55,851 WARN L178 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 348 [2018-09-26 09:08:58,794 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-26 09:09:01,223 WARN L178 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 362 [2018-09-26 09:09:04,626 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2018-09-26 09:09:07,277 WARN L178 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 377 [2018-09-26 09:09:10,944 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-09-26 09:09:13,704 WARN L178 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 391 [2018-09-26 09:09:17,854 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2018-09-26 09:09:21,147 WARN L178 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 406 [2018-09-26 09:09:25,894 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-09-26 09:09:26,299 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 09:09:29,220 WARN L178 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 420 [2018-09-26 09:09:34,520 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-09-26 09:09:38,212 WARN L178 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 435 [2018-09-26 09:09:44,162 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-09-26 09:09:45,054 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 09:09:48,385 WARN L178 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 449 [2018-09-26 09:09:55,407 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2018-09-26 09:09:55,932 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-26 09:09:59,971 WARN L178 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 464 [2018-09-26 09:10:07,553 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-09-26 09:10:08,046 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-26 09:10:11,870 WARN L178 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 478 [2018-09-26 09:10:20,050 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 141 [2018-09-26 09:10:20,579 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-26 09:10:24,699 WARN L178 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 493 [2018-09-26 09:10:33,832 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-09-26 09:10:34,379 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 09:10:38,654 WARN L178 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 507 [2018-09-26 09:10:48,702 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 149 [2018-09-26 09:10:49,266 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 09:10:54,033 WARN L178 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 522 [2018-09-26 09:11:05,024 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-09-26 09:11:05,601 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-09-26 09:11:10,651 WARN L178 SmtUtils]: Spent 3.49 s on a formula simplification that was a NOOP. DAG size: 536 [2018-09-26 09:11:22,998 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2018-09-26 09:11:23,648 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-09-26 09:11:29,154 WARN L178 SmtUtils]: Spent 3.86 s on a formula simplification that was a NOOP. DAG size: 551 [2018-09-26 09:11:42,304 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-09-26 09:11:42,973 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-26 09:11:48,728 WARN L178 SmtUtils]: Spent 4.01 s on a formula simplification that was a NOOP. DAG size: 565 [2018-09-26 09:12:03,452 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2018-09-26 09:12:04,176 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-09-26 09:12:10,261 WARN L178 SmtUtils]: Spent 4.29 s on a formula simplification that was a NOOP. DAG size: 580 [2018-09-26 09:12:25,893 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-09-26 09:12:26,605 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-26 09:12:32,896 WARN L178 SmtUtils]: Spent 4.46 s on a formula simplification that was a NOOP. DAG size: 594 [2018-09-26 09:12:49,837 WARN L178 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 173 [2018-09-26 09:12:50,592 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 174 Received shutdown request... [2018-09-26 09:12:55,312 WARN L186 SmtUtils]: Removed 49 from assertion stack [2018-09-26 09:12:55,514 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:12:55,515 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:12:55,520 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:12:55,520 INFO L202 PluginConnector]: Adding new model sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:12:55 BoogieIcfgContainer [2018-09-26 09:12:55,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:12:55,522 INFO L168 Benchmark]: Toolchain (without parser) took 280972.59 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -256.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 248.8 MB). Peak memory consumption was 345.9 MB. Max. memory is 7.1 GB. [2018-09-26 09:12:55,523 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 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 09:12:55,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.18 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 09:12:55,524 INFO L168 Benchmark]: Boogie Preprocessor took 20.83 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 09:12:55,525 INFO L168 Benchmark]: RCFGBuilder took 362.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:12:55,525 INFO L168 Benchmark]: TraceAbstraction took 280538.91 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -256.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 227.7 MB). Peak memory consumption was 324.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:12:55,529 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 0.17 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 43.18 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 20.83 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 362.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 280538.91 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -256.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 227.7 MB). Peak memory consumption was 324.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 42). 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 609. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 280.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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: 0.2s 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/sum01_bug02_sum01_bug02_base.case.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-12-55-541.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sum01_bug02_sum01_bug02_base.case.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-12-55-541.csv Completed graceful shutdown