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/toy/TestForErrorTraceLocations.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:08,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:08,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:08,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:08,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:08,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:08,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:08,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:08,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:08,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:08,732 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:08,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:08,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:08,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:08,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:08,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:08,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:08,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:08,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:08,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:08,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:08,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:08,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:08,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:08,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:08,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:08,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:08,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:08,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:08,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:08,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:08,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:08,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:08,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:08,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:08,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:08,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:08,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:08,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:08,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:08,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:08,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:08,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:08,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:08,832 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:08,832 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:08,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TestForErrorTraceLocations.bpl [2019-08-06 16:55:08,834 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TestForErrorTraceLocations.bpl' [2019-08-06 16:55:08,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:08,875 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:08,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:08,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:08,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:08,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestForErrorTraceLocations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:08" (1/1) ... [2019-08-06 16:55:08,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestForErrorTraceLocations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:08" (1/1) ... [2019-08-06 16:55:08,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestForErrorTraceLocations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:08" (1/1) ... [2019-08-06 16:55:08,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestForErrorTraceLocations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:08" (1/1) ... [2019-08-06 16:55:08,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestForErrorTraceLocations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:08" (1/1) ... [2019-08-06 16:55:08,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestForErrorTraceLocations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:08" (1/1) ... [2019-08-06 16:55:08,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestForErrorTraceLocations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:08" (1/1) ... [2019-08-06 16:55:08,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:08,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:08,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:08,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:08,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestForErrorTraceLocations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:08" (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 [2019-08-06 16:55:09,012 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:55:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:55:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:55:09,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bar given in one single declaration [2019-08-06 16:55:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2019-08-06 16:55:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2019-08-06 16:55:09,280 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:09,280 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-06 16:55:09,281 INFO L202 PluginConnector]: Adding new model TestForErrorTraceLocations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:09 BoogieIcfgContainer [2019-08-06 16:55:09,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:09,282 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:09,282 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:09,283 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:09,284 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestForErrorTraceLocations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:09" (1/1) ... [2019-08-06 16:55:09,297 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:55:09,299 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:09,306 INFO L160 IcfgInterpreter]: Initial procedures are [bar, foo] [2019-08-06 16:55:09,315 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:09,316 INFO L185 IcfgInterpreter]: Interpreting procedure bar with input of size 1 [2019-08-06 16:55:09,377 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-06 16:55:09,423 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:09,423 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:09,426 INFO L179 IcfgInterpreter]: Location barErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 13#(and (= bar_x 0) (not (<= 0 bar_x))) [2019-08-06 16:55:09,427 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 31#(and (or (exists ((v_foo_x_10 Int) (v_foo_y_7 Int)) (and (<= 0 v_foo_x_10) (or (and (= foo_y (+ v_foo_y_7 (- 1))) (< 0 v_foo_y_7) (= v_foo_x_10 foo_x)) (and (= v_foo_y_7 foo_y) (= (+ v_foo_x_10 1) foo_x) (not (< 0 v_foo_x_10))) (and (= v_foo_y_7 foo_y) (< 0 v_foo_x_10) (= (+ v_foo_x_10 (- 1)) foo_x)) (and (= v_foo_x_10 foo_x) (= foo_y (+ v_foo_y_7 1)) (not (< 0 v_foo_y_7))) (and (= v_foo_y_7 foo_y) (= v_foo_x_10 foo_x))) (exists ((v_foo_x_9 Int) (v_foo_y_6 Int)) (and (or (and (= v_foo_x_9 0) (<= 0 v_foo_x_9)) (and (or (and (<= v_foo_y_6 1) (= v_foo_x_9 0)) (= v_foo_x_9 0) (= v_foo_x_9 1) (and (< 0 (+ v_foo_y_6 1)) (= v_foo_x_9 0))) (<= 0 v_foo_x_9))) (or (and (not (< 0 v_foo_y_6)) (= v_foo_x_10 v_foo_x_9) (= v_foo_y_7 (+ v_foo_y_6 1))) (and (= v_foo_x_10 (+ v_foo_x_9 (- 1))) (< 0 v_foo_x_9) (= v_foo_y_7 v_foo_y_6)) (and (= v_foo_x_10 v_foo_x_9) (< 0 v_foo_y_6) (= v_foo_y_7 (+ v_foo_y_6 (- 1)))) (and (not (< 0 v_foo_x_9)) (= v_foo_x_10 (+ v_foo_x_9 1)) (= v_foo_y_7 v_foo_y_6)) (and (= v_foo_x_10 v_foo_x_9) (= v_foo_y_7 v_foo_y_6))))))) (= 0 foo_x)) (not (<= 0 foo_x))) [2019-08-06 16:55:09,429 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:09,437 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:09,440 INFO L168 Benchmark]: Toolchain (without parser) took 564.85 ms. Allocated memory is still 130.5 MB. Free memory was 107.0 MB in the beginning and 87.3 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:09,441 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.14 ms. Allocated memory is still 130.5 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:55:09,443 INFO L168 Benchmark]: Boogie Preprocessor took 50.99 ms. Allocated memory is still 130.5 MB. Free memory was 107.0 MB in the beginning and 104.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:09,444 INFO L168 Benchmark]: RCFGBuilder took 354.00 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 93.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:09,445 INFO L168 Benchmark]: Symbolic Interpretation took 154.75 ms. Allocated memory is still 130.5 MB. Free memory was 93.3 MB in the beginning and 87.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:09,449 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 35]: 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: - UnprovableResult [Line: 12]: 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 1.14 ms. Allocated memory is still 130.5 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.99 ms. Allocated memory is still 130.5 MB. Free memory was 107.0 MB in the beginning and 104.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 354.00 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 93.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 154.75 ms. Allocated memory is still 130.5 MB. Free memory was 93.3 MB in the beginning and 87.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...