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/n.c11.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:53:30,198 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:53:30,201 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:53:30,214 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:53:30,214 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:53:30,215 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:53:30,216 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:53:30,218 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:53:30,220 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:53:30,221 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:53:30,222 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:53:30,222 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:53:30,223 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:53:30,224 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:53:30,225 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:53:30,226 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:53:30,227 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:53:30,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:53:30,231 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:53:30,232 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:53:30,233 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:53:30,234 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:53:30,237 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:53:30,237 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:53:30,238 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:53:30,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:53:30,240 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:53:30,240 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:53:30,241 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:53:30,242 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:53:30,243 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:53:30,243 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 08:53:30,248 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 08:53:30,263 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:53:30,264 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:53:30,269 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:53:30,269 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:53:30,270 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:53:30,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:53:30,270 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:53:30,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:53:30,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:53:30,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:53:30,360 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:53:30,360 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:53:30,362 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl [2018-09-26 08:53:30,362 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl' [2018-09-26 08:53:30,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:53:30,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:53:30,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:53:30,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:53:30,420 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:53:30,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (1/1) ... [2018-09-26 08:53:30,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (1/1) ... [2018-09-26 08:53:30,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:53:30,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:53:30,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:53:30,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:53:30,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (1/1) ... [2018-09-26 08:53:30,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (1/1) ... [2018-09-26 08:53:30,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (1/1) ... [2018-09-26 08:53:30,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (1/1) ... [2018-09-26 08:53:30,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (1/1) ... [2018-09-26 08:53:30,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (1/1) ... [2018-09-26 08:53:30,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (1/1) ... [2018-09-26 08:53:30,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:53:30,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:53:30,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:53:30,493 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:53:30,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (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 08:53:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:53:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:53:30,739 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:53:30,740 INFO L202 PluginConnector]: Adding new model n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:53:30 BoogieIcfgContainer [2018-09-26 08:53:30,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:53:30,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:53:30,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:53:30,746 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:53:30,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:53:30" (1/2) ... [2018-09-26 08:53:30,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c869e08 and model type n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:53:30, skipping insertion in model container [2018-09-26 08:53:30,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:53:30" (2/2) ... [2018-09-26 08:53:30,750 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c11.i_3.bpl [2018-09-26 08:53:30,760 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:53:30,768 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:53:30,817 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:53:30,818 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:53:30,818 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:53:30,818 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:53:30,819 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:53:30,819 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:53:30,819 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:53:30,819 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:53:30,819 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:53:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:53:30,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:53:30,845 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:53:30,846 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:53:30,847 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:53:30,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:53:30,854 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 08:53:30,886 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:53:31,174 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:53:31,174 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:53:31,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:53:31,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:53:31,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:53:31,186 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:53:31,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:53:31,222 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:53:31,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:53:31,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:53:31,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:53:31,237 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:53:31,237 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:53:31,241 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:53:31,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:53:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:53:31,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:53:31,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:53:31,279 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:53:31,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:53:31,279 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:53:31,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:53:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:53:31,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:53:31,280 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:53:31,280 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:53:31,281 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:53:31,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:53:31,281 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 08:53:31,302 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:53:31,881 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-09-26 08:53:32,319 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:53:32,319 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:53:32,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:53:32,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:53:32,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:53:32,321 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 3 states. [2018-09-26 08:53:32,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:53:32,328 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-09-26 08:53:32,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:53:32,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-09-26 08:53:32,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:53:32,331 INFO L225 Difference]: With dead ends: 7 [2018-09-26 08:53:32,332 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:53:32,333 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 108 SyntacticMatches, 7 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:53:32,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:53:32,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:53:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:53:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:53:32,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-26 08:53:32,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:53:32,336 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:53:32,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:53:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:53:32,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:53:32,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:53:32,570 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-26 08:53:32,635 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 43) the Hoare annotation is: false [2018-09-26 08:53:32,635 INFO L422 ceAbstractionStarter]: At program point L31(lines 31 41) the Hoare annotation is: false [2018-09-26 08:53:32,635 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 43) the Hoare annotation is: true [2018-09-26 08:53:32,636 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 43) no Hoare annotation was computed. [2018-09-26 08:53:32,636 INFO L422 ceAbstractionStarter]: At program point L20(lines 20 32) the Hoare annotation is: (let ((.cse0 (mod ULTIMATE.start_main_~len~5 4294967296))) (and (or (not (= 0 (ite (and (< .cse0 5) (<= 0 .cse0)) 1 0))) (not (= 0 (mod |ULTIMATE.start_main_#t~nondet0| 256)))) (or (not (= 0 (ite (let ((.cse1 (mod (+ ULTIMATE.start_main_~len~5 1) 4294967296))) (and (<= 0 .cse1) (< .cse1 5))) 1 0))) (= .cse0 4)))) [2018-09-26 08:53:32,636 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 42) the Hoare annotation is: false [2018-09-26 08:53:32,636 INFO L422 ceAbstractionStarter]: At program point L40(lines 17 40) the Hoare annotation is: (let ((.cse0 (mod ULTIMATE.start_main_~len~5 4294967296))) (and (or (not (= 0 (ite (and (< .cse0 5) (<= 0 .cse0)) 1 0))) (not (= 0 (mod |ULTIMATE.start_main_#t~nondet0| 256)))) (or (not (= 0 (ite (let ((.cse1 (mod (+ ULTIMATE.start_main_~len~5 1) 4294967296))) (and (<= 0 .cse1) (< .cse1 5))) 1 0))) (= .cse0 4)))) [2018-09-26 08:53:32,646 INFO L202 PluginConnector]: Adding new model n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:53:32 BoogieIcfgContainer [2018-09-26 08:53:32,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:53:32,647 INFO L168 Benchmark]: Toolchain (without parser) took 2232.94 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: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-09-26 08:53:32,649 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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 08:53:32,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.17 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 08:53:32,651 INFO L168 Benchmark]: Boogie Preprocessor took 24.63 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 08:53:32,651 INFO L168 Benchmark]: RCFGBuilder took 247.74 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 08:53:32,653 INFO L168 Benchmark]: TraceAbstraction took 1904.71 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2018-09-26 08:53:32,658 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 0.18 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 Procedure Inliner took 47.17 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 Preprocessor took 24.63 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 247.74 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 1904.71 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == (if main_~len~5 % 4294967296 < 5 && 0 <= main_~len~5 % 4294967296 then 1 else 0)) || !(0 == main_#t~nondet0 % 256)) && (!(0 == (if 0 <= (main_~len~5 + 1) % 4294967296 && (main_~len~5 + 1) % 4294967296 < 5 then 1 else 0)) || main_~len~5 % 4294967296 == 4) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(0 == (if main_~len~5 % 4294967296 < 5 && 0 <= main_~len~5 % 4294967296 then 1 else 0)) || !(0 == main_#t~nondet0 % 256)) && (!(0 == (if 0 <= (main_~len~5 + 1) % 4294967296 && (main_~len~5 + 1) % 4294967296 < 5 then 1 else 0)) || main_~len~5 % 4294967296 == 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 146 SyntacticMatches, 7 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 108 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 1.2s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/n.c11.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-53-32-673.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/n.c11.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-53-32-673.csv Received shutdown request...