java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/real-life/GripperTest-correct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:09:04,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:09:04,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:09:04,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:09:04,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:09:04,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:09:04,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:09:04,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:09:04,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:09:04,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:09:04,050 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:09:04,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:09:04,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:09:04,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:09:04,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:09:04,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:09:04,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:09:04,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:09:04,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:09:04,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:09:04,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:09:04,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:09:04,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:09:04,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:09:04,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:09:04,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:09:04,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:09:04,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:09:04,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:09:04,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:09:04,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:09:04,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:09:04,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:09:04,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:09:04,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:09:04,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:09:04,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:09:04,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:09:04,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:09:04,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:09:04,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:09:04,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:09:04,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:09:04,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:09:04,169 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:09:04,171 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:09:04,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GripperTest-correct.bpl [2019-08-05 18:09:04,172 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GripperTest-correct.bpl' [2019-08-05 18:09:04,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:09:04,217 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:09:04,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:09:04,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:09:04,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:09:04,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GripperTest-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:04" (1/1) ... [2019-08-05 18:09:04,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GripperTest-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:04" (1/1) ... [2019-08-05 18:09:04,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GripperTest-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:04" (1/1) ... [2019-08-05 18:09:04,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GripperTest-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:04" (1/1) ... [2019-08-05 18:09:04,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GripperTest-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:04" (1/1) ... [2019-08-05 18:09:04,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GripperTest-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:04" (1/1) ... [2019-08-05 18:09:04,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GripperTest-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:04" (1/1) ... [2019-08-05 18:09:04,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:09:04,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:09:04,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:09:04,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:09:04,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GripperTest-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:04" (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 [2019-08-05 18:09:04,345 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:09:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:09:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:09:04,989 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:09:04,989 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:09:04,991 INFO L202 PluginConnector]: Adding new model GripperTest-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:09:04 BoogieIcfgContainer [2019-08-05 18:09:04,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:09:04,992 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:09:04,992 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:09:04,992 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:09:04,993 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "GripperTest-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:09:04" (1/1) ... [2019-08-05 18:09:05,005 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:09:05,007 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:09:05,014 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:09:05,022 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:09:05,024 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:09:05,152 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:09:05,152 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:09:05,156 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 29#(and (or (and (= main_gripper_left 0) main_is_left_gripper (= main_room_y 0) (= main_room_x 4) (= main_gripper_right 0) main_is_room_x) (exists ((v_main_gripper_left_17 Int) (v_main_room_x_22 Int) (v_main_room_y_24 Int) (v_main_is_left_gripper_17 Bool) (v_main_gripper_right_17 Int) (v_main_is_room_x_21 Bool)) (and (not (= (- 1) v_main_room_y_24)) (or (and (= main_gripper_right v_main_gripper_right_17) (= main_room_x v_main_room_x_22) (= main_gripper_left v_main_gripper_left_17) (or (and (not main_is_left_gripper) v_main_is_left_gripper_17 (= main_is_room_x v_main_is_room_x_21)) (and main_is_left_gripper (not v_main_is_left_gripper_17) (= main_is_room_x v_main_is_room_x_21)) (and (= v_main_is_left_gripper_17 main_is_left_gripper) main_is_room_x (not v_main_is_room_x_21)) (and (= v_main_is_left_gripper_17 main_is_left_gripper) (= main_is_room_x v_main_is_room_x_21)) (and (not main_is_room_x) (= v_main_is_left_gripper_17 main_is_left_gripper) v_main_is_room_x_21)) (= main_room_y v_main_room_y_24)) (and (or (and (= main_room_x (+ v_main_room_x_22 1)) v_main_is_room_x_21 (= main_room_y v_main_room_y_24)) (and (= main_room_x v_main_room_x_22) (= main_room_y (+ v_main_room_y_24 1)) (not v_main_is_room_x_21))) (= v_main_is_left_gripper_17 main_is_left_gripper) (= main_is_room_x v_main_is_room_x_21) (or (and (= main_gripper_left v_main_gripper_left_17) (not v_main_is_left_gripper_17) (= main_gripper_right (+ v_main_gripper_right_17 (- 1)))) (and (= main_gripper_right v_main_gripper_right_17) v_main_is_left_gripper_17 (= main_gripper_left (+ v_main_gripper_left_17 (- 1)))))) (and (or (and (or (and (= main_room_x v_main_room_x_22) (not (< 1 v_main_room_x_22))) (and (< 1 v_main_room_x_22) (= main_room_x (+ v_main_room_x_22 (- 1))))) v_main_is_room_x_21 (= main_room_y v_main_room_y_24)) (and (= main_room_x v_main_room_x_22) (or (and (= main_room_y v_main_room_y_24) (not (< 1 v_main_room_y_24))) (and (= main_room_y (+ v_main_room_y_24 (- 1))) (< 1 v_main_room_y_24))) (not v_main_is_room_x_21))) (or (and (= main_gripper_right v_main_gripper_right_17) v_main_is_left_gripper_17 (= (+ v_main_gripper_left_17 1) main_gripper_left)) (and (= main_gripper_right (+ v_main_gripper_right_17 1)) (= main_gripper_left v_main_gripper_left_17) (not v_main_is_left_gripper_17))) (= v_main_is_left_gripper_17 main_is_left_gripper) (= main_is_room_x v_main_is_room_x_21)))))) (= main_room_y (- 1))) [2019-08-05 18:09:05,158 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:09:05,166 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:09:05,169 INFO L168 Benchmark]: Toolchain (without parser) took 950.99 ms. Allocated memory is still 129.5 MB. Free memory was 105.9 MB in the beginning and 77.4 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:09:05,170 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 129.5 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:09:05,172 INFO L168 Benchmark]: Boogie Preprocessor took 55.52 ms. Allocated memory is still 129.5 MB. Free memory was 105.9 MB in the beginning and 103.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:09:05,173 INFO L168 Benchmark]: RCFGBuilder took 717.47 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 84.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:09:05,174 INFO L168 Benchmark]: Symbolic Interpretation took 174.50 ms. Allocated memory is still 129.5 MB. Free memory was 84.5 MB in the beginning and 77.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:09:05,178 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 21]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 129.5 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.52 ms. Allocated memory is still 129.5 MB. Free memory was 105.9 MB in the beginning and 103.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 717.47 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 84.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 174.50 ms. Allocated memory is still 129.5 MB. Free memory was 84.5 MB in the beginning and 77.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...