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/nested9.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:38:35,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:38:35,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:38:35,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:38:35,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:38:35,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:38:35,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:38:35,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:38:35,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:38:35,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:38:35,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:38:35,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:38:35,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:38:35,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:38:35,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:38:35,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:38:35,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:38:35,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:38:35,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:38:35,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:38:35,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:38:35,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:38:35,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:38:35,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:38:35,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:38:35,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:38:35,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:38:35,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:38:35,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:38:35,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:38:35,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:38:35,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:38:35,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:38:35,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:38:35,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:38:35,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:38:35,509 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 12:38:35,535 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:38:35,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:38:35,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:38:35,537 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:38:35,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:38:35,538 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:38:35,538 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:38:35,538 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:38:35,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:38:35,539 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:38:35,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:38:35,540 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:38:35,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:38:35,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:38:35,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:38:35,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:38:35,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:38:35,541 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:38:35,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:38:35,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:38:35,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:38:35,543 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:38:35,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:38:35,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:35,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:38:35,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:38:35,544 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:38:35,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:38:35,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:38:35,545 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:38:35,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:38:35,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:38:35,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:38:35,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:38:35,604 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:38:35,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested9.i [2019-10-03 12:38:35,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4bf4739/a68ab438390c475e8c0e0b475b0e3c6b/FLAGf6c10a4bc [2019-10-03 12:38:36,130 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:38:36,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested9.i [2019-10-03 12:38:36,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4bf4739/a68ab438390c475e8c0e0b475b0e3c6b/FLAGf6c10a4bc [2019-10-03 12:38:36,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4bf4739/a68ab438390c475e8c0e0b475b0e3c6b [2019-10-03 12:38:36,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:38:36,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:38:36,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:36,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:38:36,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:38:36,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225cf470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36, skipping insertion in model container [2019-10-03 12:38:36,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,560 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:38:36,576 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:38:36,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:36,744 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:38:36,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:36,774 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:38:36,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36 WrapperNode [2019-10-03 12:38:36,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:36,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:38:36,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:38:36,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:38:36,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:38:36,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:38:36,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:38:36,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:38:36,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36" (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 12:38:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:38:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:38:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:38:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:38:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:38:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:38:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:38:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:38:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:38:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:38:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:38:37,180 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:38:37,181 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-03 12:38:37,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:37 BoogieIcfgContainer [2019-10-03 12:38:37,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:38:37,183 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:38:37,183 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:38:37,183 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:38:37,184 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:37" (1/1) ... [2019-10-03 12:38:37,246 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:38:37,539 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:38:37,562 INFO L272 AbstractInterpreter]: Visited 39 different actions 150 times. Merged at 13 different actions 47 times. Widened at 4 different actions 9 times. Performed 254 root evaluator evaluations with a maximum evaluation depth of 7. Performed 254 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 23 fixpoints after 11 different actions. Largest state had 15 variables. [2019-10-03 12:38:37,562 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:38:37,570 INFO L168 Benchmark]: Toolchain (without parser) took 1018.93 ms. Allocated memory was 136.8 MB in the beginning and 197.1 MB in the end (delta: 60.3 MB). Free memory was 85.0 MB in the beginning and 145.5 MB in the end (delta: -60.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:38:37,573 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.70 ms. Allocated memory is still 136.8 MB. Free memory was 84.8 MB in the beginning and 74.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,576 INFO L168 Benchmark]: Boogie Preprocessor took 122.15 ms. Allocated memory was 136.8 MB in the beginning and 197.1 MB in the end (delta: 60.3 MB). Free memory was 74.8 MB in the beginning and 174.0 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,577 INFO L168 Benchmark]: RCFGBuilder took 284.63 ms. Allocated memory is still 197.1 MB. Free memory was 174.0 MB in the beginning and 159.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,578 INFO L168 Benchmark]: Abstract Interpretation took 379.53 ms. Allocated memory is still 197.1 MB. Free memory was 159.6 MB in the beginning and 145.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,582 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 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 228.70 ms. Allocated memory is still 136.8 MB. Free memory was 84.8 MB in the beginning and 74.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.15 ms. Allocated memory was 136.8 MB in the beginning and 197.1 MB in the end (delta: 60.3 MB). Free memory was 74.8 MB in the beginning and 174.0 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 284.63 ms. Allocated memory is still 197.1 MB. Free memory was 174.0 MB in the beginning and 159.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 379.53 ms. Allocated memory is still 197.1 MB. Free memory was 159.6 MB in the beginning and 145.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 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: [L10] int __BLAST_NONDET; [L12] int i,j,k,n,l,m; [L13] n = __VERIFIER_nondet_int() [L14] m = __VERIFIER_nondet_int() [L15] l = __VERIFIER_nondet_int() [L16] COND FALSE !(!(-1000000 < n && n < 1000000)) [L17] COND FALSE !(!(-1000000 < m && m < 1000000)) [L18] COND FALSE !(!(-1000000 < l && l < 1000000)) [L19] COND TRUE 3*n<=m+l [L20] i=0 [L20] COND TRUE i