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/abstractInterpretation/regression/eq/02_basic_unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:00,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:00,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:00,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:00,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:00,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:00,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:00,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:00,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:00,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:00,522 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:00,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:00,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:00,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:00,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:00,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:00,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:00,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:00,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:00,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:00,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:00,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:00,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:00,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:00,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:00,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:00,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:00,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:00,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:00,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:00,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:00,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:00,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:00,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:00,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:00,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:00,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:00,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:00,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:00,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:00,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:00,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:00,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:00,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:00,647 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:00,647 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:00,648 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/02_basic_unsafe.bpl [2019-08-06 16:59:00,649 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/02_basic_unsafe.bpl' [2019-08-06 16:59:00,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:00,683 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:00,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:00,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:00,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:00,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:00" (1/1) ... [2019-08-06 16:59:00,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:00" (1/1) ... [2019-08-06 16:59:00,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:00" (1/1) ... [2019-08-06 16:59:00,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:00" (1/1) ... [2019-08-06 16:59:00,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:00" (1/1) ... [2019-08-06 16:59:00,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:00" (1/1) ... [2019-08-06 16:59:00,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:00" (1/1) ... [2019-08-06 16:59:00,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:00,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:00,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:00,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:00,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:00" (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 16:59:00,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-06 16:59:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-06 16:59:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-06 16:59:00,949 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:00,950 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:00,951 INFO L202 PluginConnector]: Adding new model 02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:00 BoogieIcfgContainer [2019-08-06 16:59:00,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:00,952 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:00,952 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:00,952 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:00,953 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:00" (1/1) ... [2019-08-06 16:59:00,963 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-06 16:59:00,966 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:00,973 INFO L160 IcfgInterpreter]: Initial procedures are [Easy] [2019-08-06 16:59:00,981 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:00,982 INFO L185 IcfgInterpreter]: Interpreting procedure Easy with input of size 1 [2019-08-06 16:59:01,033 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:01,034 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:01,037 INFO L179 IcfgInterpreter]: Location EasyErr2ASSERT_VIOLATIONASSERT has predicate 8#(and (= Easy_j Easy_i) (= (select Easy_a Easy_z) Easy_i) (exists ((v_Easy_a_8 (Array Int Int)) (v_Easy_i_9 Int)) (= Easy_a (store (store v_Easy_a_8 Easy_x v_Easy_i_9) Easy_z Easy_k))) (= Easy_k Easy_i) (= Easy_y Easy_x) (exists ((v_Easy_b_3 (Array Int Int))) (= Easy_b (store v_Easy_b_3 Easy_y Easy_j)))) [2019-08-06 16:59:01,037 INFO L179 IcfgInterpreter]: Location EasyErr0ASSERT_VIOLATIONASSERT has predicate 14#(and (exists ((v_Easy_a_8 (Array Int Int)) (v_Easy_i_9 Int)) (= Easy_a (store (store v_Easy_a_8 Easy_x v_Easy_i_9) Easy_z Easy_k))) (not (= Easy_y Easy_x)) (= Easy_k Easy_i) (exists ((v_Easy_b_3 (Array Int Int))) (= Easy_b (store v_Easy_b_3 Easy_y Easy_j)))) [2019-08-06 16:59:01,038 INFO L179 IcfgInterpreter]: Location EasyErr1ASSERT_VIOLATIONASSERT has predicate 11#(and (not (= Easy_j Easy_i)) (exists ((v_Easy_a_8 (Array Int Int)) (v_Easy_i_9 Int)) (= Easy_a (store (store v_Easy_a_8 Easy_x v_Easy_i_9) Easy_z Easy_k))) (= Easy_k Easy_i) (= Easy_y Easy_x) (exists ((v_Easy_b_3 (Array Int Int))) (= Easy_b (store v_Easy_b_3 Easy_y Easy_j)))) [2019-08-06 16:59:01,039 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:01,047 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:01,050 INFO L168 Benchmark]: Toolchain (without parser) took 365.43 ms. Allocated memory is still 136.3 MB. Free memory was 106.7 MB in the beginning and 90.4 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:01,051 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:01,053 INFO L168 Benchmark]: Boogie Preprocessor took 41.55 ms. Allocated memory is still 136.3 MB. Free memory was 106.5 MB in the beginning and 104.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:01,054 INFO L168 Benchmark]: RCFGBuilder took 225.44 ms. Allocated memory is still 136.3 MB. Free memory was 104.4 MB in the beginning and 94.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:01,055 INFO L168 Benchmark]: Symbolic Interpretation took 95.08 ms. Allocated memory is still 136.3 MB. Free memory was 94.9 MB in the beginning and 90.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:01,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: - UnprovableResult [Line: 18]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: - UnprovableResult [Line: 19]: Unable to prove that assertion always holds Unable to prove that 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 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.55 ms. Allocated memory is still 136.3 MB. Free memory was 106.5 MB in the beginning and 104.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.44 ms. Allocated memory is still 136.3 MB. Free memory was 104.4 MB in the beginning and 94.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 95.08 ms. Allocated memory is still 136.3 MB. Free memory was 94.9 MB in the beginning and 90.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...