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/loop-invgen/nested6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:36,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:36,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:36,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:26:36,972 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 [2019-09-03 21:26:36,987 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:36,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:36,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:36,988 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:36,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:36,989 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:36,990 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:36,990 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:36,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:36,990 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:36,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:36,991 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:36,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:36,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:36,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:36,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:36,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:36,992 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:36,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:36,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:36,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:36,993 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:36,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:36,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:36,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:36,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:36,994 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:36,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:36,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:36,995 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:37,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:37,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:37,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:37,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:37,055 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:37,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-03 21:26:37,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/962713f0f/1ef1ccb6ea2b45b9bb22f1512ce98481/FLAG32d0ed513 [2019-09-03 21:26:37,582 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:37,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-03 21:26:37,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/962713f0f/1ef1ccb6ea2b45b9bb22f1512ce98481/FLAG32d0ed513 [2019-09-03 21:26:37,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/962713f0f/1ef1ccb6ea2b45b9bb22f1512ce98481 [2019-09-03 21:26:37,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:37,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:37,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:37,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:37,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:37,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:37" (1/1) ... [2019-09-03 21:26:37,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194d8fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:37, skipping insertion in model container [2019-09-03 21:26:37,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:37" (1/1) ... [2019-09-03 21:26:37,951 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:37,972 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:38,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:38,244 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:38,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:38,285 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:38,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:38 WrapperNode [2019-09-03 21:26:38,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:38,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:38,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:38,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:38,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:38" (1/1) ... [2019-09-03 21:26:38,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:38" (1/1) ... [2019-09-03 21:26:38,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:38" (1/1) ... [2019-09-03 21:26:38,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:38" (1/1) ... [2019-09-03 21:26:38,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:38" (1/1) ... [2019-09-03 21:26:38,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:38" (1/1) ... [2019-09-03 21:26:38,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:38" (1/1) ... [2019-09-03 21:26:38,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:38,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:38,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:38,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:38,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:38" (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 [2019-09-03 21:26:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:38,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:38,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:38,764 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:38,765 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-03 21:26:38,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:38 BoogieIcfgContainer [2019-09-03 21:26:38,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:38,776 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:38,776 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:38,776 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:38,781 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:38" (1/1) ... [2019-09-03 21:26:38,854 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:39,166 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:39,189 INFO L272 AbstractInterpreter]: Visited 40 different actions 270 times. Merged at 16 different actions 65 times. Widened at 5 different actions 7 times. Performed 390 root evaluator evaluations with a maximum evaluation depth of 5. Performed 390 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 27 fixpoints after 10 different actions. Largest state had 11 variables. [2019-09-03 21:26:39,190 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:39,194 INFO L168 Benchmark]: Toolchain (without parser) took 1259.23 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 88.8 MB in the beginning and 146.7 MB in the end (delta: -57.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:39,196 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:39,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.34 ms. Allocated memory is still 140.5 MB. Free memory was 88.4 MB in the beginning and 79.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:39,200 INFO L168 Benchmark]: Boogie Preprocessor took 189.34 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 79.1 MB in the beginning and 179.5 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:39,201 INFO L168 Benchmark]: RCFGBuilder took 294.69 ms. Allocated memory is still 201.9 MB. Free memory was 179.5 MB in the beginning and 166.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:39,202 INFO L168 Benchmark]: Abstract Interpretation took 414.39 ms. Allocated memory is still 201.9 MB. Free memory was 166.4 MB in the beginning and 146.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:39,206 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 353.34 ms. Allocated memory is still 140.5 MB. Free memory was 88.4 MB in the beginning and 79.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 189.34 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 79.1 MB in the beginning and 179.5 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.69 ms. Allocated memory is still 201.9 MB. Free memory was 179.5 MB in the beginning and 166.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 414.39 ms. Allocated memory is still 201.9 MB. Free memory was 166.4 MB in the beginning and 146.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 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] int i,j,k,n; [L12] k = __VERIFIER_nondet_int() [L13] n = __VERIFIER_nondet_int() [L14] COND FALSE !(!(n < 1000000)) [L15] COND TRUE k == n [L19] i=0 [L19] COND TRUE i= n ) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...