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/real-life/GripperTest-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:00:54,941 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:00:54,943 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:00:54,956 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:00:54,956 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:00:54,957 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:00:54,959 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:00:54,960 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:00:54,962 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:00:54,963 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:00:54,964 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:00:54,964 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:00:54,965 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:00:54,966 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:00:54,967 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:00:54,968 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:00:54,969 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:00:54,971 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:00:54,973 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:00:54,974 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:00:54,975 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:00:54,977 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:00:54,980 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:00:54,980 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:00:54,981 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:00:54,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:00:54,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:00:54,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:00:54,988 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:00:54,989 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:00:54,989 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:00:54,990 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:00:54,990 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:00:54,990 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:00:54,993 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:00:54,994 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:00:54,994 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:00:55,009 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:00:55,009 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:00:55,011 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:00:55,011 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:00:55,011 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:00:55,011 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:00:55,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:00:55,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:00:55,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:00:55,122 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:00:55,122 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:00:55,123 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GripperTest-incorrect.bpl [2018-07-25 09:00:55,124 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GripperTest-incorrect.bpl' [2018-07-25 09:00:55,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:00:55,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:00:55,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:00:55,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:00:55,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:00:55,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,223 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 09:00:55,224 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 09:00:55,224 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 09:00:55,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:00:55,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:00:55,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:00:55,227 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:00:55,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:00:55,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:00:55,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:00:55,251 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:00:55,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (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 09:00:55,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-25 09:00:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 09:00:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 09:00:56,013 INFO L270 CfgBuilder]: Using library mode [2018-07-25 09:00:56,014 INFO L202 PluginConnector]: Adding new model GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:00:56 BoogieIcfgContainer [2018-07-25 09:00:56,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:00:56,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:00:56,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:00:56,018 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:00:56,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/2) ... [2018-07-25 09:00:56,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59745bc3 and model type GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:00:56, skipping insertion in model container [2018-07-25 09:00:56,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:00:56" (2/2) ... [2018-07-25 09:00:56,022 INFO L112 eAbstractionObserver]: Analyzing ICFG GripperTest-incorrect.bpl [2018-07-25 09:00:56,032 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:00:56,040 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:00:56,088 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:00:56,089 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:00:56,089 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:00:56,089 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:00:56,090 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:00:56,090 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:00:56,090 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:00:56,090 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:00:56,090 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:00:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 09:00:56,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-25 09:00:56,116 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:00:56,117 INFO L354 BasicCegarLoop]: trace histogram [1, 1] [2018-07-25 09:00:56,118 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 09:00:56,124 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-07-25 09:00:56,134 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:00:56,191 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:00:56,192 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 09:00:56,196 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:00:56,201 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:00:56,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 09:00:56,204 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-25 09:00:56,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:00:56,260 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-07-25 09:00:56,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:00:56,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 09:00:56,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:00:56,273 INFO L225 Difference]: With dead ends: 7 [2018-07-25 09:00:56,273 INFO L226 Difference]: Without dead ends: 5 [2018-07-25 09:00:56,277 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 09:00:56,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-25 09:00:56,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-25 09:00:56,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-25 09:00:56,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-25 09:00:56,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 2 [2018-07-25 09:00:56,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:00:56,312 INFO L472 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-25 09:00:56,313 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:00:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-25 09:00:56,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:00:56,313 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:00:56,314 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:00:56,314 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 09:00:56,314 INFO L82 PathProgramCache]: Analyzing trace with hash 928452, now seen corresponding path program 1 times [2018-07-25 09:00:56,314 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:00:56,544 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-07-25 09:00:56,871 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 11 [2018-07-25 09:00:57,836 INFO L420 BasicCegarLoop]: Counterexample might be feasible [2018-07-25 09:00:57,844 WARN L174 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-07-25 09:00:57,845 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-25 09:00:57,845 WARN L174 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-07-25 09:00:57,845 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-25 09:00:57,845 WARN L174 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-07-25 09:00:57,845 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-25 09:00:57,846 WARN L174 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-07-25 09:00:57,846 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-25 09:00:57,854 INFO L202 PluginConnector]: Adding new model GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:00:57 BoogieIcfgContainer [2018-07-25 09:00:57,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:00:57,855 INFO L168 Benchmark]: Toolchain (without parser) took 2675.66 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-07-25 09:00:57,856 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 09:00:57,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.07 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 09:00:57,858 INFO L168 Benchmark]: Boogie Preprocessor took 23.45 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 09:00:57,858 INFO L168 Benchmark]: RCFGBuilder took 763.40 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-25 09:00:57,859 INFO L168 Benchmark]: TraceAbstraction took 1838.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-07-25 09:00:57,863 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 0.23 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 46.07 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 23.45 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 763.40 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1838.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: loop invariant can be violated and assertion can be violated loop invariant can be violated and assertion can be violated We found a FailurePath: [L13] is_room_x := true; [L14] is_left_gripper := true; [L15] room_x := 4; [L16] room_y := 0; [L17] gripper_left := 0; [L18] gripper_right := 0; [L22] invariant room_y != -1; [?] COND TRUE * [L39] COND FALSE !(true == is_room_x) [L42] room_y := room_y - 1; [L45] COND FALSE !(true == is_left_gripper) [L48] gripper_right := gripper_right + 1; [L22] invariant room_y != -1; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 1.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.5s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GripperTest-incorrect.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-00-57-879.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GripperTest-incorrect.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-00-57-879.csv Received shutdown request...