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.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:05:49,299 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:05:49,301 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:05:49,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:05:49,314 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:05:49,315 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:05:49,317 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:05:49,319 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:05:49,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:05:49,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:05:49,322 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:05:49,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:05:49,323 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:05:49,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:05:49,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:05:49,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:05:49,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:05:49,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:05:49,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:05:49,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:05:49,334 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:05:49,335 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:05:49,338 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:05:49,338 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:05:49,338 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:05:49,339 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:05:49,340 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:05:49,341 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:05:49,342 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:05:49,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:05:49,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:05:49,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:05:49,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:05:49,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:05:49,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:05:49,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:05:49,347 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:05:49,356 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:05:49,356 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:05:49,357 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:05:49,358 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:05:49,358 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:05:49,358 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:05:49,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:05:49,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:05:49,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:05:49,422 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:05:49,423 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:05:49,424 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl [2018-07-25 09:05:49,424 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl' [2018-07-25 09:05:49,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:05:49,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:05:49,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:05:49,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:05:49,480 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:05:49,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (1/1) ... [2018-07-25 09:05:49,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (1/1) ... [2018-07-25 09:05:49,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:05:49,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:05:49,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:05:49,524 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:05:49,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (1/1) ... [2018-07-25 09:05:49,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (1/1) ... [2018-07-25 09:05:49,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (1/1) ... [2018-07-25 09:05:49,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (1/1) ... [2018-07-25 09:05:49,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (1/1) ... [2018-07-25 09:05:49,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (1/1) ... [2018-07-25 09:05:49,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (1/1) ... [2018-07-25 09:05:49,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:05:49,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:05:49,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:05:49,545 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:05:49,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (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 09:05:49,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-25 09:05:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:05:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:05:49,834 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:05:49,835 INFO L202 PluginConnector]: Adding new model gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:05:49 BoogieIcfgContainer [2018-07-25 09:05:49,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:05:49,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:05:49,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:05:49,840 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:05:49,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:05:49" (1/2) ... [2018-07-25 09:05:49,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e3eed2 and model type gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:05:49, skipping insertion in model container [2018-07-25 09:05:49,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:05:49" (2/2) ... [2018-07-25 09:05:49,843 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl [2018-07-25 09:05:49,853 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:05:49,861 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:05:49,911 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:05:49,911 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:05:49,912 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:05:49,912 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:05:49,912 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:05:49,912 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:05:49,913 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:05:49,913 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:05:49,913 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:05:49,932 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 09:05:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 09:05:49,944 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:05:49,947 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 09:05:49,948 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:05:49,954 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times [2018-07-25 09:05:49,961 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:05:50,231 WARN L169 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2018-07-25 09:05:50,328 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:05:50,329 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:05:50,333 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:05:50,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:05:50,338 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:05:50,341 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-25 09:05:50,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:05:50,386 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2018-07-25 09:05:50,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:05:50,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-25 09:05:50,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:05:50,396 INFO L225 Difference]: With dead ends: 5 [2018-07-25 09:05:50,397 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 09:05:50,401 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:05:50,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 09:05:50,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 09:05:50,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 09:05:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 09:05:50,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2018-07-25 09:05:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:05:50,430 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 09:05:50,430 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:05:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 09:05:50,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 09:05:50,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 09:05:50,562 INFO L418 ceAbstractionStarter]: At program point L65(lines 65 66) the Hoare annotation is: false [2018-07-25 09:05:50,563 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 68) the Hoare annotation is: false [2018-07-25 09:05:50,563 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 68) the Hoare annotation is: true [2018-07-25 09:05:50,563 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 68) no Hoare annotation was computed. [2018-07-25 09:05:50,563 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 67) the Hoare annotation is: false [2018-07-25 09:05:50,564 INFO L418 ceAbstractionStarter]: At program point L51(lines 40 52) the Hoare annotation is: (or (<= ULTIMATE.start_main_~y~7 0) (not (= ULTIMATE.start_gcd_test_~b 0)) (<= ULTIMATE.start_gcd_test_~a ULTIMATE.start_main_~y~7) (< 127 ULTIMATE.start_gcd_test_~a)) [2018-07-25 09:05:50,570 INFO L202 PluginConnector]: Adding new model gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:05:50 BoogieIcfgContainer [2018-07-25 09:05:50,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:05:50,572 INFO L168 Benchmark]: Toolchain (without parser) took 1094.40 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:50,573 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 09:05:50,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.59 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 09:05:50,575 INFO L168 Benchmark]: Boogie Preprocessor took 20.82 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 09:05:50,575 INFO L168 Benchmark]: RCFGBuilder took 290.70 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. [2018-07-25 09:05:50,577 INFO L168 Benchmark]: TraceAbstraction took 734.53 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:50,581 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 0.21 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 43.59 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 20.82 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 290.70 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 734.53 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 67]: 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: 65]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((main_~y~7 <= 0 || !(gcd_test_~b == 0)) || gcd_test_~a <= main_~y~7) || 127 < gcd_test_~a - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, 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: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 21 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s 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/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-05-50-593.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-05-50-593.csv Received shutdown request...