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/real-life/s3_clnt_1_Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:40:05,532 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:40:05,534 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:40:05,546 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:40:05,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:40:05,548 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:40:05,549 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:40:05,551 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:40:05,553 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:40:05,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:40:05,561 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:40:05,561 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:40:05,562 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:40:05,565 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:40:05,568 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:40:05,569 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:40:05,570 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:40:05,574 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:40:05,576 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:40:05,580 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:40:05,583 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:40:05,584 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:40:05,586 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:40:05,587 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:40:05,587 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:40:05,590 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:40:05,591 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:40:05,592 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:40:05,593 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:40:05,594 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:40:05,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:40:05,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-25 13:40:05,600 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 13:40:05,616 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:40:05,616 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:40:05,618 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:40:05,618 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:40:05,619 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:40:05,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:05,619 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:40:05,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:40:05,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:40:05,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:40:05,698 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:40:05,699 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:40:05,700 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Safe.bpl [2018-07-25 13:40:05,700 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Safe.bpl' [2018-07-25 13:40:05,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:40:05,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:40:05,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:40:05,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:40:05,771 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:40:05,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (1/1) ... [2018-07-25 13:40:05,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (1/1) ... [2018-07-25 13:40:05,813 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 13:40:05,813 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 13:40:05,813 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 13:40:05,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:40:05,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:40:05,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:40:05,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:40:05,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (1/1) ... [2018-07-25 13:40:05,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (1/1) ... [2018-07-25 13:40:05,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (1/1) ... [2018-07-25 13:40:05,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (1/1) ... [2018-07-25 13:40:05,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (1/1) ... [2018-07-25 13:40:05,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (1/1) ... [2018-07-25 13:40:05,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (1/1) ... [2018-07-25 13:40:05,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:40:05,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:40:05,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:40:05,870 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:40:05,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (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 13:40:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-07-25 13:40:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-07-25 13:40:06,130 WARN L494 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-07-25 13:40:06,130 WARN L459 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-07-25 13:40:08,114 INFO L270 CfgBuilder]: Using library mode [2018-07-25 13:40:08,115 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:08 BoogieIcfgContainer [2018-07-25 13:40:08,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:40:08,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:40:08,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:40:08,120 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:40:08,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:05" (1/2) ... [2018-07-25 13:40:08,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e55e40b and model type s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:40:08, skipping insertion in model container [2018-07-25 13:40:08,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:08" (2/2) ... [2018-07-25 13:40:08,124 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_1_Safe.bpl [2018-07-25 13:40:08,136 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:40:08,150 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:40:08,197 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:40:08,198 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:40:08,198 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:40:08,198 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:40:08,198 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:40:08,198 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:40:08,199 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:40:08,199 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:40:08,199 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:40:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-07-25 13:40:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-25 13:40:08,229 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:08,230 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:40:08,231 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:08,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1577799509, 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 13:40:08,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:09,642 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:09,643 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:40:09,648 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:40:09,655 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:40:09,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 13:40:09,658 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 4 states. [2018-07-25 13:40:10,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:10,421 INFO L93 Difference]: Finished difference Result 201 states and 342 transitions. [2018-07-25 13:40:10,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 13:40:10,424 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-07-25 13:40:10,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:10,441 INFO L225 Difference]: With dead ends: 201 [2018-07-25 13:40:10,442 INFO L226 Difference]: Without dead ends: 187 [2018-07-25 13:40:10,445 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 1824 GetRequests, 1807 SyntacticMatches, 13 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 13:40:10,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-25 13:40:10,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 182. [2018-07-25 13:40:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-07-25 13:40:10,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 273 transitions. [2018-07-25 13:40:10,517 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 273 transitions. Word has length 20 [2018-07-25 13:40:10,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:10,518 INFO L472 AbstractCegarLoop]: Abstraction has 182 states and 273 transitions. [2018-07-25 13:40:10,518 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:40:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2018-07-25 13:40:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-25 13:40:10,521 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:10,521 INFO L354 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:40:10,522 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:10,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1941876722, 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 13:40:10,539 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:11,278 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:11,279 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:11,280 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 13:40:11,280 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 13:40:11,281 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-25 13:40:11,281 INFO L87 Difference]: Start difference. First operand 182 states and 273 transitions. Second operand 5 states. [2018-07-25 13:40:12,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:12,195 INFO L93 Difference]: Finished difference Result 238 states and 362 transitions. [2018-07-25 13:40:12,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 13:40:12,195 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-07-25 13:40:12,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:12,200 INFO L225 Difference]: With dead ends: 238 [2018-07-25 13:40:12,200 INFO L226 Difference]: Without dead ends: 236 [2018-07-25 13:40:12,201 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 2681 GetRequests, 2661 SyntacticMatches, 14 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-25 13:40:12,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-07-25 13:40:12,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 205. [2018-07-25 13:40:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-25 13:40:12,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 314 transitions. [2018-07-25 13:40:12,245 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 314 transitions. Word has length 43 [2018-07-25 13:40:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:12,245 INFO L472 AbstractCegarLoop]: Abstraction has 205 states and 314 transitions. [2018-07-25 13:40:12,246 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 13:40:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 314 transitions. [2018-07-25 13:40:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-25 13:40:12,249 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:12,249 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:40:12,249 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:12,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2009773250, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:12,260 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:14,998 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:14,999 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-07-25 13:40:14,999 INFO L451 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-25 13:40:14,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-25 13:40:15,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-07-25 13:40:15,000 INFO L87 Difference]: Start difference. First operand 205 states and 314 transitions. Second operand 9 states. [2018-07-25 13:40:17,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:17,173 INFO L93 Difference]: Finished difference Result 526 states and 838 transitions. [2018-07-25 13:40:17,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-25 13:40:17,174 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2018-07-25 13:40:17,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:17,179 INFO L225 Difference]: With dead ends: 526 [2018-07-25 13:40:17,179 INFO L226 Difference]: Without dead ends: 524 [2018-07-25 13:40:17,180 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 14965 GetRequests, 14917 SyntacticMatches, 24 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2018-07-25 13:40:17,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-07-25 13:40:17,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 329. [2018-07-25 13:40:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-07-25 13:40:17,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 517 transitions. [2018-07-25 13:40:17,249 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 517 transitions. Word has length 61 [2018-07-25 13:40:17,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:17,249 INFO L472 AbstractCegarLoop]: Abstraction has 329 states and 517 transitions. [2018-07-25 13:40:17,250 INFO L473 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-25 13:40:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 517 transitions. [2018-07-25 13:40:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-25 13:40:17,254 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:17,254 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:40:17,255 INFO L415 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:17,255 INFO L82 PathProgramCache]: Analyzing trace with hash 802051158, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:17,277 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:58,120 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:58,120 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-07-25 13:40:58,120 INFO L451 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-25 13:40:58,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-25 13:40:58,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1187, Unknown=0, NotChecked=0, Total=1482 [2018-07-25 13:40:58,122 INFO L87 Difference]: Start difference. First operand 329 states and 517 transitions. Second operand 11 states. [2018-07-25 13:40:58,647 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-07-25 13:41:00,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:41:00,598 INFO L93 Difference]: Finished difference Result 677 states and 1082 transitions. [2018-07-25 13:41:00,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-25 13:41:00,599 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 62 [2018-07-25 13:41:00,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:41:00,604 INFO L225 Difference]: With dead ends: 677 [2018-07-25 13:41:00,604 INFO L226 Difference]: Without dead ends: 675 [2018-07-25 13:41:00,606 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 18218 GetRequests, 16357 SyntacticMatches, 1814 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63081 ImplicationChecksByTransitivity, 38.7s TimeCoverageRelationStatistics Valid=491, Invalid=1861, Unknown=0, NotChecked=0, Total=2352 [2018-07-25 13:41:00,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2018-07-25 13:41:00,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 465. [2018-07-25 13:41:00,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-07-25 13:41:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 738 transitions. [2018-07-25 13:41:00,738 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 738 transitions. Word has length 62 [2018-07-25 13:41:00,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:41:00,739 INFO L472 AbstractCegarLoop]: Abstraction has 465 states and 738 transitions. [2018-07-25 13:41:00,739 INFO L473 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-25 13:41:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 738 transitions. [2018-07-25 13:41:00,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-25 13:41:00,743 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:41:00,745 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:41:00,745 INFO L415 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:41:00,746 INFO L82 PathProgramCache]: Analyzing trace with hash 828698419, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:41:00,754 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:41:03,021 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:41:03,021 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-07-25 13:41:03,021 INFO L451 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-25 13:41:03,022 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-25 13:41:03,022 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-07-25 13:41:03,022 INFO L87 Difference]: Start difference. First operand 465 states and 738 transitions. Second operand 9 states. [2018-07-25 13:41:04,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:41:04,770 INFO L93 Difference]: Finished difference Result 1299 states and 2124 transitions. [2018-07-25 13:41:04,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-25 13:41:04,771 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2018-07-25 13:41:04,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:41:04,779 INFO L225 Difference]: With dead ends: 1299 [2018-07-25 13:41:04,779 INFO L226 Difference]: Without dead ends: 1297 [2018-07-25 13:41:04,781 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 16008 GetRequests, 15959 SyntacticMatches, 25 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2018-07-25 13:41:04,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2018-07-25 13:41:04,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 465. [2018-07-25 13:41:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-07-25 13:41:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 738 transitions. [2018-07-25 13:41:04,912 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 738 transitions. Word has length 62 [2018-07-25 13:41:04,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:41:04,913 INFO L472 AbstractCegarLoop]: Abstraction has 465 states and 738 transitions. [2018-07-25 13:41:04,913 INFO L473 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-25 13:41:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 738 transitions. [2018-07-25 13:41:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-25 13:41:04,914 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:41:04,915 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:41:04,915 INFO L415 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:41:04,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1399640319, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:41:04,942 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:41:47,722 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:41:47,722 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-07-25 13:41:47,722 INFO L451 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-25 13:41:47,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-25 13:41:47,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1187, Unknown=0, NotChecked=0, Total=1482 [2018-07-25 13:41:47,724 INFO L87 Difference]: Start difference. First operand 465 states and 738 transitions. Second operand 11 states. [2018-07-25 13:41:48,121 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-07-25 13:41:50,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:41:50,393 INFO L93 Difference]: Finished difference Result 1085 states and 1758 transitions. [2018-07-25 13:41:50,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-25 13:41:50,393 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2018-07-25 13:41:50,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:41:50,399 INFO L225 Difference]: With dead ends: 1085 [2018-07-25 13:41:50,399 INFO L226 Difference]: Without dead ends: 1083 [2018-07-25 13:41:50,402 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 19636 GetRequests, 17520 SyntacticMatches, 2069 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71903 ImplicationChecksByTransitivity, 40.5s TimeCoverageRelationStatistics Valid=491, Invalid=1861, Unknown=0, NotChecked=0, Total=2352 [2018-07-25 13:41:50,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2018-07-25 13:41:50,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 481. [2018-07-25 13:41:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-07-25 13:41:50,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 767 transitions. [2018-07-25 13:41:50,556 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 767 transitions. Word has length 63 [2018-07-25 13:41:50,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:41:50,556 INFO L472 AbstractCegarLoop]: Abstraction has 481 states and 767 transitions. [2018-07-25 13:41:50,557 INFO L473 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-25 13:41:50,557 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 767 transitions. [2018-07-25 13:41:50,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-25 13:41:50,558 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:41:50,558 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:41:50,559 INFO L415 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:41:50,559 INFO L82 PathProgramCache]: Analyzing trace with hash -959884663, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:41:50,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:41:51,770 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 21 [2018-07-25 13:41:52,562 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-07-25 13:43:10,843 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:43:10,844 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-07-25 13:43:10,844 INFO L451 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-25 13:43:10,844 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-25 13:43:10,845 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=491, Invalid=2059, Unknown=0, NotChecked=0, Total=2550 [2018-07-25 13:43:10,846 INFO L87 Difference]: Start difference. First operand 481 states and 767 transitions. Second operand 12 states. [2018-07-25 13:43:11,424 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2018-07-25 13:43:11,610 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2018-07-25 13:43:11,752 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-07-25 13:43:11,932 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2018-07-25 13:43:13,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:43:13,093 INFO L93 Difference]: Finished difference Result 811 states and 1339 transitions. [2018-07-25 13:43:13,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-25 13:43:13,094 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2018-07-25 13:43:13,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:43:13,098 INFO L225 Difference]: With dead ends: 811 [2018-07-25 13:43:13,098 INFO L226 Difference]: Without dead ends: 809 [2018-07-25 13:43:13,100 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 28631 GetRequests, 25506 SyntacticMatches, 3066 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140576 ImplicationChecksByTransitivity, 76.1s TimeCoverageRelationStatistics Valid=756, Invalid=2904, Unknown=0, NotChecked=0, Total=3660 [2018-07-25 13:43:13,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2018-07-25 13:43:13,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 543. [2018-07-25 13:43:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-07-25 13:43:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 873 transitions. [2018-07-25 13:43:13,306 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 873 transitions. Word has length 64 [2018-07-25 13:43:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:43:13,306 INFO L472 AbstractCegarLoop]: Abstraction has 543 states and 873 transitions. [2018-07-25 13:43:13,307 INFO L473 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-25 13:43:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 873 transitions. [2018-07-25 13:43:13,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-07-25 13:43:13,308 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:43:13,308 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:43:13,309 INFO L415 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:43:13,309 INFO L82 PathProgramCache]: Analyzing trace with hash 172311088, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) [2018-07-25 13:43:13,320 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in Received shutdown request... [2018-07-25 13:44:27,491 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:44:27,492 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 13:44:27,497 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 13:44:27,498 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:44:27 BoogieIcfgContainer [2018-07-25 13:44:27,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:44:27,499 INFO L168 Benchmark]: Toolchain (without parser) took 261730.07 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -142.1 MB). Free memory was 1.5 GB in the beginning and 896.9 MB in the end (delta: 577.8 MB). Peak memory consumption was 435.7 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:27,500 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 13:44:27,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.61 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 13:44:27,501 INFO L168 Benchmark]: Boogie Preprocessor took 49.42 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 13:44:27,501 INFO L168 Benchmark]: RCFGBuilder took 2246.00 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. [2018-07-25 13:44:27,502 INFO L168 Benchmark]: TraceAbstraction took 259381.18 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -142.1 MB). Free memory was 1.4 GB in the beginning and 896.9 MB in the end (delta: 493.2 MB). Peak memory consumption was 351.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:27,506 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 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.61 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 49.42 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 2246.00 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 259381.18 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -142.1 MB). Free memory was 1.4 GB in the beginning and 896.9 MB in the end (delta: 493.2 MB). Peak memory consumption was 351.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 635]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 635). Cancelled while BasicCegarLoop was analyzing trace of length 66 with TraceHistMax 3, while PredicateComparison was comparing new predicate (quantifier-free) to 58 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 1 error locations. TIMEOUT Result, 259.3s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 13.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 828 SDtfs, 6049 SDslu, 929 SDs, 0 SdLazy, 3036 SolverSat, 991 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101963 GetRequests, 94727 SyntacticMatches, 7025 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276187 ImplicationChecksByTransitivity, 159.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=543occurred in iteration=7, 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: 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 2141 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 170.8s 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/s3_clnt_1_Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-44-27-521.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_1_Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-44-27-521.csv Completed graceful shutdown