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-lit/afnp2014.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:40,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:40,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:40,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:40,863 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 [2019-09-20 13:47:40,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:40,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:40,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:40,880 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:40,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:40,881 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:40,881 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:40,881 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:40,881 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:40,882 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:40,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:40,882 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:40,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:40,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:40,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:40,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:40,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:40,884 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:40,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:40,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:40,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:40,884 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:40,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:40,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:40,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:40,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:40,885 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:40,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:40,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:40,886 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:40,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:40,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:40,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:40,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:40,941 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:40,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/afnp2014.i [2019-09-20 13:47:41,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb80b61a/764c055e34a84fb0883abd5f6b77e109/FLAG3045414ef [2019-09-20 13:47:41,436 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:41,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/afnp2014.i [2019-09-20 13:47:41,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb80b61a/764c055e34a84fb0883abd5f6b77e109/FLAG3045414ef [2019-09-20 13:47:41,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb80b61a/764c055e34a84fb0883abd5f6b77e109 [2019-09-20 13:47:41,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:41,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:41,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:41,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:41,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:41,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774ea263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:41, skipping insertion in model container [2019-09-20 13:47:41,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,835 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:41,857 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:42,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:42,097 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:42,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:42,132 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:42,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42 WrapperNode [2019-09-20 13:47:42,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:42,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:42,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:42,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:42,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:42,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:42,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:42,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:42,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (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 [2019-09-20 13:47:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:42,524 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:42,525 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:42,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:42 BoogieIcfgContainer [2019-09-20 13:47:42,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:42,534 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:42,534 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:42,534 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:42,535 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,578 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:42,866 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:42,885 INFO L272 AbstractInterpreter]: Visited 23 different actions 163 times. Merged at 8 different actions 58 times. Widened at 1 different actions 3 times. Performed 249 root evaluator evaluations with a maximum evaluation depth of 5. Performed 249 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 21 fixpoints after 5 different actions. Largest state had 5 variables. [2019-09-20 13:47:42,885 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:42,889 INFO L168 Benchmark]: Toolchain (without parser) took 1069.13 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 89.7 MB in the beginning and 152.5 MB in the end (delta: -62.8 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,890 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.52 ms. Allocated memory is still 134.2 MB. Free memory was 89.5 MB in the beginning and 80.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,892 INFO L168 Benchmark]: Boogie Preprocessor took 122.85 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 80.4 MB in the beginning and 175.9 MB in the end (delta: -95.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,893 INFO L168 Benchmark]: RCFGBuilder took 268.54 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 164.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,894 INFO L168 Benchmark]: Abstract Interpretation took 351.91 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 152.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,898 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 314.52 ms. Allocated memory is still 134.2 MB. Free memory was 89.5 MB in the beginning and 80.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.85 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 80.4 MB in the beginning and 175.9 MB in the end (delta: -95.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 268.54 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 164.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 351.91 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 152.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 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] int x = 1; [L12] int y = 0; [L13] y < 1000 && __VERIFIER_nondet_int() [L13] y < 1000 && __VERIFIER_nondet_int() [L13] COND FALSE !(y < 1000 && __VERIFIER_nondet_int()) [L17] CALL __VERIFIER_assert(x >= y) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...