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/TerminatorSmall.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:57,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:57,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:57,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:57,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:57,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:57,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:57,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:57,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:57,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:57,109 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:57,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:57,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:57,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:57,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:57,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:57,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:57,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:57,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:57,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:57,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:57,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:57,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:57,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:57,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:57,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:57,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:57,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:57,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:57,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:57,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:57,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:57,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:57,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:57,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:57,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:57,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:57,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:57,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:57,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:57,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:57,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:57,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:57,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:57,220 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:57,220 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:57,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TerminatorSmall.bpl [2019-08-06 16:55:57,222 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TerminatorSmall.bpl' [2019-08-06 16:55:57,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:57,259 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:57,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:57,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:57,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:57,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:57" (1/1) ... [2019-08-06 16:55:57,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:57" (1/1) ... [2019-08-06 16:55:57,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:57" (1/1) ... [2019-08-06 16:55:57,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:57" (1/1) ... [2019-08-06 16:55:57,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:57" (1/1) ... [2019-08-06 16:55:57,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:57" (1/1) ... [2019-08-06 16:55:57,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:57" (1/1) ... [2019-08-06 16:55:57,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:57,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:57,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:57,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:57,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:57" (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 16:55:57,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure TerminatorSmall given in one single declaration [2019-08-06 16:55:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure TerminatorSmall [2019-08-06 16:55:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminatorSmall [2019-08-06 16:55:57,665 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:57,665 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:55:57,666 INFO L202 PluginConnector]: Adding new model TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:57 BoogieIcfgContainer [2019-08-06 16:55:57,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:57,667 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:57,667 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:57,668 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:57,669 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:57" (1/1) ... [2019-08-06 16:55:57,680 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:57,683 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:57,690 INFO L160 IcfgInterpreter]: Initial procedures are [TerminatorSmall] [2019-08-06 16:55:57,700 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:57,702 INFO L185 IcfgInterpreter]: Interpreting procedure TerminatorSmall with input of size 1 [2019-08-06 16:55:57,802 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:57,802 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:57,805 INFO L179 IcfgInterpreter]: Location TerminatorSmallErr0ASSERT_VIOLATIONASSERT has predicate 22#(and (not (< TerminatorSmall_y TerminatorSmall_yAlt)) (= 1 TerminatorSmall_pcAlt) (not (< TerminatorSmall_x TerminatorSmall_xAlt)) (exists ((v_TerminatorSmall_xAlt_14 Int) (v_TerminatorSmall_x_14 Int) (v_TerminatorSmall_y_15 Int) (v_TerminatorSmall_pcAlt_17 Int) (v_TerminatorSmall_yAlt_14 Int)) (and (or (< v_TerminatorSmall_y_15 v_TerminatorSmall_yAlt_14) (< v_TerminatorSmall_x_14 v_TerminatorSmall_xAlt_14) (not (= 1 v_TerminatorSmall_pcAlt_17))) (or (and (= v_TerminatorSmall_xAlt_14 TerminatorSmall_xAlt) (= v_TerminatorSmall_yAlt_14 TerminatorSmall_yAlt) (= TerminatorSmall_pcAlt v_TerminatorSmall_pcAlt_17)) (and (not (= 0 v_TerminatorSmall_pcAlt_17)) (= v_TerminatorSmall_xAlt_14 TerminatorSmall_xAlt) (= v_TerminatorSmall_yAlt_14 TerminatorSmall_yAlt) (= TerminatorSmall_pcAlt v_TerminatorSmall_pcAlt_17)) (and (= 1 TerminatorSmall_pcAlt) (= v_TerminatorSmall_x_14 TerminatorSmall_xAlt) (= v_TerminatorSmall_y_15 TerminatorSmall_yAlt) (= 0 v_TerminatorSmall_pcAlt_17))) (or (and (= (+ v_TerminatorSmall_y_15 (- 1)) TerminatorSmall_y) (= v_TerminatorSmall_x_14 TerminatorSmall_x)) (= TerminatorSmall_x (+ v_TerminatorSmall_x_14 (- 1))))))) [2019-08-06 16:55:57,807 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:57,814 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:57,817 INFO L168 Benchmark]: Toolchain (without parser) took 557.63 ms. Allocated memory is still 130.0 MB. Free memory was 106.5 MB in the beginning and 86.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:57,818 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 130.0 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:55:57,819 INFO L168 Benchmark]: Boogie Preprocessor took 49.26 ms. Allocated memory is still 130.0 MB. Free memory was 106.5 MB in the beginning and 104.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:57,820 INFO L168 Benchmark]: RCFGBuilder took 357.72 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 92.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:57,822 INFO L168 Benchmark]: Symbolic Interpretation took 147.19 ms. Allocated memory is still 130.0 MB. Free memory was 92.0 MB in the beginning and 86.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:57,825 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: * 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 130.0 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.26 ms. Allocated memory is still 130.0 MB. Free memory was 106.5 MB in the beginning and 104.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 357.72 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 92.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 147.19 ms. Allocated memory is still 130.0 MB. Free memory was 92.0 MB in the beginning and 86.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...