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/nec11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:27:24,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:27:24,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:27:24,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:27:24,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:27:24,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:27:24,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:27:24,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:27:24,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:27:24,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:27:24,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:27:24,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:27:24,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:27:24,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:27:24,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:27:24,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:27:24,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:27:24,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:27:24,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:27:24,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:27:24,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:27:24,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:27:24,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:27:24,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:27:24,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:27:24,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:27:24,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:27:24,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:27:24,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:27:24,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:27:24,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:27:24,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:27:24,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:27:24,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:27:24,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:27:24,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:27:24,495 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 [2019-09-16 17:27:24,512 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:27:24,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:27:24,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:27:24,513 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:27:24,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:27:24,515 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:27:24,515 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:27:24,515 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:27:24,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:27:24,515 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:27:24,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:27:24,517 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:27:24,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:27:24,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:27:24,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:27:24,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:27:24,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:27:24,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:27:24,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:27:24,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:27:24,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:27:24,520 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:27:24,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:27:24,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:27:24,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:27:24,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:27:24,521 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:27:24,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:27:24,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:27:24,521 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:27:24,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:27:24,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:27:24,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:27:24,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:27:24,591 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:27:24,592 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec11.c [2019-09-16 17:27:24,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9866e4b97/d91466174e094c8fb3e7f6bfd9f0d538/FLAG51a9a6c06 [2019-09-16 17:27:25,090 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:27:25,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec11.c [2019-09-16 17:27:25,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9866e4b97/d91466174e094c8fb3e7f6bfd9f0d538/FLAG51a9a6c06 [2019-09-16 17:27:25,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9866e4b97/d91466174e094c8fb3e7f6bfd9f0d538 [2019-09-16 17:27:25,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:27:25,495 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:27:25,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:25,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:27:25,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:27:25,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:25" (1/1) ... [2019-09-16 17:27:25,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1307dca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:25, skipping insertion in model container [2019-09-16 17:27:25,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:25" (1/1) ... [2019-09-16 17:27:25,511 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:27:25,530 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:27:25,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:25,702 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:27:25,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:25,727 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:27:25,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:25 WrapperNode [2019-09-16 17:27:25,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:25,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:27:25,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:27:25,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:27:25,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:25" (1/1) ... [2019-09-16 17:27:25,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:25" (1/1) ... [2019-09-16 17:27:25,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:25" (1/1) ... [2019-09-16 17:27:25,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:25" (1/1) ... [2019-09-16 17:27:25,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:25" (1/1) ... [2019-09-16 17:27:25,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:25" (1/1) ... [2019-09-16 17:27:25,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:25" (1/1) ... [2019-09-16 17:27:25,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:27:25,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:27:25,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:27:25,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:27:25,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:25" (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 [2019-09-16 17:27:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:27:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:27:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:27:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:27:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:27:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:27:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-16 17:27:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:27:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:27:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:27:26,071 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:27:26,072 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:27:26,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:26 BoogieIcfgContainer [2019-09-16 17:27:26,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:27:26,074 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:27:26,074 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:27:26,074 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:27:26,075 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,139 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:27:26,256 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-16 17:27:26,330 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:27:26,348 INFO L272 AbstractInterpreter]: Visited 17 different actions 53 times. Merged at 4 different actions 12 times. Widened at 1 different actions 1 times. Performed 73 root evaluator evaluations with a maximum evaluation depth of 6. Performed 73 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 2 fixpoints after 2 different actions. Largest state had 7 variables. [2019-09-16 17:27:26,349 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:27:26,352 INFO L168 Benchmark]: Toolchain (without parser) took 855.78 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.6 MB in the beginning and 156.2 MB in the end (delta: -70.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:27:26,353 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:27:26,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.01 ms. Allocated memory is still 139.5 MB. Free memory was 85.4 MB in the beginning and 75.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:26,356 INFO L168 Benchmark]: Boogie Preprocessor took 118.68 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 75.6 MB in the beginning and 176.6 MB in the end (delta: -101.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:26,357 INFO L168 Benchmark]: RCFGBuilder took 226.38 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 165.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:26,359 INFO L168 Benchmark]: Abstract Interpretation took 274.94 ms. Allocated memory is still 199.2 MB. Free memory was 165.0 MB in the beginning and 156.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:26,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 232.01 ms. Allocated memory is still 139.5 MB. Free memory was 85.4 MB in the beginning and 75.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.68 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 75.6 MB in the beginning and 176.6 MB in the end (delta: -101.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.38 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 165.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 274.94 ms. Allocated memory is still 199.2 MB. Free memory was 165.0 MB in the beginning and 156.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 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: [L13] int a[5]; [L14] int len=0; [L15] _Bool c=__VERIFIER_nondet_bool(); [L16] int i; [L19] COND FALSE !(\read(c)) [L28] CALL __VERIFIER_assert(len==5) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...