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/loopAcceleration/loopWithNondeterministicBranch.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:49,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:49,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:49,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:49,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:49,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:49,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:49,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:49,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:49,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:49,064 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:49,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:49,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:49,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:49,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:49,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:49,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:49,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:49,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:49,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:49,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:49,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:49,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:49,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:49,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:49,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:49,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:49,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:49,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:49,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:49,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:49,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:49,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:49,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:49,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:49,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:49,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:49,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:49,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:49,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:49,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:49,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:49,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:49,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:49,148 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:49,148 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:49,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopWithNondeterministicBranch.bpl [2019-08-05 12:07:49,149 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopWithNondeterministicBranch.bpl' [2019-08-05 12:07:49,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:49,181 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:49,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:49,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:49,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:49,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loopWithNondeterministicBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loopWithNondeterministicBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loopWithNondeterministicBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loopWithNondeterministicBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loopWithNondeterministicBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loopWithNondeterministicBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loopWithNondeterministicBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:49,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:49,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:49,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:49,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loopWithNondeterministicBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (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 12:07:49,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:07:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:07:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:07:49,552 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:49,552 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:49,554 INFO L202 PluginConnector]: Adding new model loopWithNondeterministicBranch.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:49 BoogieIcfgContainer [2019-08-05 12:07:49,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:49,555 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:49,555 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:49,555 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:49,558 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loopWithNondeterministicBranch.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,570 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 12:07:49,573 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:49,580 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:07:49,589 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:49,591 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:07:49,770 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-08-05 12:07:50,015 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-08-05 12:07:50,324 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2019-08-05 12:07:54,234 WARN L188 SmtUtils]: Spent 3.82 s on a formula simplification that was a NOOP. DAG size: 69 [2019-08-05 12:07:54,458 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2019-08-05 12:07:54,484 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:54,484 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:54,487 INFO L178 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 34#(and (< main_x 1000001) (not (<= main_y (* 2 main_x))) (not (< main_x 1000000))) [2019-08-05 12:07:54,487 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 37#(and (not (<= main_x main_y)) (< main_x 1000001) (not (< main_x 1000000))) [2019-08-05 12:07:54,496 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:54,498 INFO L168 Benchmark]: Toolchain (without parser) took 5317.20 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 74.9 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:54,500 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:07:54,501 INFO L168 Benchmark]: Boogie Preprocessor took 46.93 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:54,502 INFO L168 Benchmark]: RCFGBuilder took 325.46 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 96.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:54,503 INFO L168 Benchmark]: Symbolic Interpretation took 4941.70 ms. Allocated memory is still 133.2 MB. Free memory was 96.7 MB in the beginning and 74.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:54,507 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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: - 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: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.93 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 325.46 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 96.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4941.70 ms. Allocated memory is still 133.2 MB. Free memory was 96.7 MB in the beginning and 74.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...