java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:38:55,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:38:55,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:38:55,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:38:55,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:38:55,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:38:55,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:38:55,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:38:55,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:38:55,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:38:55,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:38:55,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:38:55,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:38:55,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:38:55,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:38:55,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:38:55,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:38:55,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:38:55,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:38:55,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:38:55,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:38:55,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:38:55,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:38:55,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:38:55,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:38:55,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:38:55,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:38:55,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:38:55,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:38:55,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:38:55,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:38:55,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:38:55,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:38:55,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:38:55,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:38:55,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:38:55,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 12:38:55,444 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:38:55,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:38:55,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:38:55,445 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:38:55,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:38:55,446 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:38:55,446 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:38:55,447 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:38:55,447 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:38:55,447 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:38:55,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:38:55,450 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:38:55,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:38:55,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:38:55,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:38:55,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:38:55,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:38:55,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:38:55,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:38:55,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:38:55,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:38:55,452 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:38:55,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:38:55,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:55,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:38:55,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:38:55,454 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:38:55,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:38:55,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:38:55,454 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:38:55,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:38:55,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:38:55,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:38:55,529 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:38:55,529 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:38:55,530 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c [2019-10-03 12:38:55,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf1ab19d/e12349d2eb644902be55d35a07d4a148/FLAG4d8180088 [2019-10-03 12:38:56,024 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:38:56,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested5-1.c [2019-10-03 12:38:56,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf1ab19d/e12349d2eb644902be55d35a07d4a148/FLAG4d8180088 [2019-10-03 12:38:56,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf1ab19d/e12349d2eb644902be55d35a07d4a148 [2019-10-03 12:38:56,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:38:56,465 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:38:56,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:56,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:38:56,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:38:56,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:56" (1/1) ... [2019-10-03 12:38:56,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8701c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:56, skipping insertion in model container [2019-10-03 12:38:56,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:56" (1/1) ... [2019-10-03 12:38:56,481 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:38:56,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:38:56,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:56,729 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:38:56,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:56,769 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:38:56,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:56 WrapperNode [2019-10-03 12:38:56,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:56,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:38:56,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:38:56,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:38:56,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:56" (1/1) ... [2019-10-03 12:38:56,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:56" (1/1) ... [2019-10-03 12:38:56,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:56" (1/1) ... [2019-10-03 12:38:56,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:56" (1/1) ... [2019-10-03 12:38:56,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:56" (1/1) ... [2019-10-03 12:38:56,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:56" (1/1) ... [2019-10-03 12:38:56,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:56" (1/1) ... [2019-10-03 12:38:56,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:38:56,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:38:56,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:38:56,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:38:56,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:56" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:38:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:38:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:38:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:38:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:38:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:38:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:38:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:38:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:38:57,193 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:38:57,194 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 12:38:57,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:57 BoogieIcfgContainer [2019-10-03 12:38:57,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:38:57,196 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:38:57,197 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:38:57,197 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:38:57,198 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:57" (1/1) ... [2019-10-03 12:38:57,239 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:38:57,356 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-03 12:38:59,844 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:38:59,876 INFO L272 AbstractInterpreter]: Visited 36 different actions 585 times. Merged at 17 different actions 237 times. Widened at 9 different actions 78 times. Performed 1086 root evaluator evaluations with a maximum evaluation depth of 12. Performed 1086 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 98 fixpoints after 10 different actions. Largest state had 11 variables. [2019-10-03 12:38:59,881 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:38:59,888 INFO L168 Benchmark]: Toolchain (without parser) took 3418.19 ms. Allocated memory was 131.1 MB in the beginning and 389.5 MB in the end (delta: 258.5 MB). Free memory was 86.5 MB in the beginning and 296.8 MB in the end (delta: -210.3 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:59,890 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:38:59,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.75 ms. Allocated memory is still 131.1 MB. Free memory was 86.3 MB in the beginning and 76.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:59,896 INFO L168 Benchmark]: Boogie Preprocessor took 142.17 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 76.3 MB in the beginning and 174.0 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:59,897 INFO L168 Benchmark]: RCFGBuilder took 282.77 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 159.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:59,899 INFO L168 Benchmark]: Abstract Interpretation took 2684.95 ms. Allocated memory was 197.7 MB in the beginning and 389.5 MB in the end (delta: 191.9 MB). Free memory was 159.9 MB in the beginning and 296.8 MB in the end (delta: -136.9 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:59,906 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 304.75 ms. Allocated memory is still 131.1 MB. Free memory was 86.3 MB in the beginning and 76.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.17 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 76.3 MB in the beginning and 174.0 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.77 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 159.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2684.95 ms. Allocated memory was 197.7 MB in the beginning and 389.5 MB in the end (delta: 191.9 MB). Free memory was 159.9 MB in the beginning and 296.8 MB in the end (delta: -136.9 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L11] unsigned int x = 0; [L12] unsigned int y = 0; [L13] unsigned int z = 0; [L14] unsigned int w = 0; [L15] unsigned int v = 0; [L16] w=0 [L16] COND TRUE w<0x0fffffff [L17] x=0 [L17] COND TRUE x< 10 [L18] y=0 [L18] COND TRUE y< 10 [L19] z=0 [L19] COND TRUE z< 10 [L20] v=0 [L20] COND FALSE !(v< 10) [L21] CALL __VERIFIER_assert(v % 4) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...