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/non_taipan/loop-nested-assume-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:06:39,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:06:39,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:06:39,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:06:39,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:06:39,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:06:39,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:06:39,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:06:39,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:06:39,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:06:39,467 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:06:39,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:06:39,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:06:39,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:06:39,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:06:39,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:06:39,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:06:39,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:06:39,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:06:39,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:06:39,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:06:39,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:06:39,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:06:39,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:06:39,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:06:39,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:06:39,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:06:39,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:06:39,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:06:39,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:06:39,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:06:39,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:06:39,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:06:39,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:06:39,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:06:39,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:06:39,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:06:39,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:06:39,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:06:39,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:06:39,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:06:39,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:06:39,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:06:39,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:06:39,538 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:06:39,538 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:06:39,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_taipan/loop-nested-assume-unsafe.bpl [2019-08-05 12:06:39,539 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_taipan/loop-nested-assume-unsafe.bpl' [2019-08-05 12:06:39,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:06:39,566 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:06:39,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:06:39,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:06:39,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:06:39,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:39" (1/1) ... [2019-08-05 12:06:39,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:39" (1/1) ... [2019-08-05 12:06:39,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:39" (1/1) ... [2019-08-05 12:06:39,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:39" (1/1) ... [2019-08-05 12:06:39,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:39" (1/1) ... [2019-08-05 12:06:39,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:39" (1/1) ... [2019-08-05 12:06:39,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:39" (1/1) ... [2019-08-05 12:06:39,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:06:39,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:06:39,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:06:39,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:06:39,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:39" (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 12:06:39,682 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:06:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:06:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:06:39,684 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 12:06:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 12:06:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 12:06:39,973 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:06:39,973 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:06:39,974 INFO L202 PluginConnector]: Adding new model loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:06:39 BoogieIcfgContainer [2019-08-05 12:06:39,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:06:39,975 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:06:39,975 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:06:39,975 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:06:39,976 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:06:39" (1/1) ... [2019-08-05 12:06:39,987 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 12:06:39,989 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:06:39,999 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 12:06:40,007 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:06:40,009 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 12:06:40,180 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 3 [2019-08-05 12:06:40,322 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 6 [2019-08-05 12:06:40,530 INFO L184 IcfgInterpreter]: Interpreting procedure foo with input of size 23 [2019-08-05 12:06:40,555 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:06:40,556 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:06:40,559 INFO L178 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 42#(not foo_j) [2019-08-05 12:06:40,559 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 39#(= 1000000 ULTIMATE.start_i) [2019-08-05 12:06:40,567 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:06:40,570 INFO L168 Benchmark]: Toolchain (without parser) took 1003.20 ms. Allocated memory is still 135.3 MB. Free memory was 110.4 MB in the beginning and 82.4 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:40,571 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:06:40,572 INFO L168 Benchmark]: Boogie Preprocessor took 43.49 ms. Allocated memory is still 135.3 MB. Free memory was 110.4 MB in the beginning and 108.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:40,573 INFO L168 Benchmark]: RCFGBuilder took 363.66 ms. Allocated memory is still 135.3 MB. Free memory was 108.2 MB in the beginning and 98.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:40,575 INFO L168 Benchmark]: Symbolic Interpretation took 592.81 ms. Allocated memory is still 135.3 MB. Free memory was 98.2 MB in the beginning and 82.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:40,579 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: 15]: 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 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.49 ms. Allocated memory is still 135.3 MB. Free memory was 110.4 MB in the beginning and 108.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 363.66 ms. Allocated memory is still 135.3 MB. Free memory was 108.2 MB in the beginning and 98.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 592.81 ms. Allocated memory is still 135.3 MB. Free memory was 98.2 MB in the beginning and 82.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...