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-fea9116 [2019-09-20 13:47:40,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:40,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:40,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:40,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:40,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:40,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:40,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:40,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:40,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:40,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:40,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:40,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:40,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:40,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:40,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:40,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:40,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:40,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:40,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:40,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:40,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:40,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:40,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:40,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:40,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:47:40,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:47:40,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:47:40,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:47:40,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:47:40,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:47:40,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:47:40,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:47:40,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:40,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:40,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:40,407 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 13:47:40,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:40,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:40,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:40,422 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:40,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:40,423 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:40,423 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:40,424 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:40,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:40,424 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:40,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:40,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:40,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:40,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:40,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:40,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:40,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:40,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:40,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:40,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:40,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:40,427 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:40,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:40,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:40,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:40,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:40,428 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:40,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:40,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:40,428 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:40,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:40,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:40,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:40,471 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:40,472 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:40,472 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-20 13:47:40,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd1491ae/c3b0993a9c5f4ce7bfb27651a851c119/FLAG5828a6c82 [2019-09-20 13:47:40,966 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:40,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-20 13:47:40,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd1491ae/c3b0993a9c5f4ce7bfb27651a851c119/FLAG5828a6c82 [2019-09-20 13:47:41,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd1491ae/c3b0993a9c5f4ce7bfb27651a851c119 [2019-09-20 13:47:41,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:41,319 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:41,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:41,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:41,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:41,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae326e0 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 13:47:41,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,337 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:41,357 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:41,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:41,585 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:41,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:41,612 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:41,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:41 WrapperNode [2019-09-20 13:47:41,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:41,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:41,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:41,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:41,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:41,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:41,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:41,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:41,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:41" (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 13:47:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:42,016 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:42,017 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 13:47:42,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:42 BoogieIcfgContainer [2019-09-20 13:47:42,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:42,019 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:42,019 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:42,020 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:42,021 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 13:47:42,054 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:42,353 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:42,387 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. [2019-09-20 13:47:42,387 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:42,395 INFO L168 Benchmark]: Toolchain (without parser) took 1069.78 ms. Allocated memory was 131.1 MB in the beginning and 199.8 MB in the end (delta: 68.7 MB). Free memory was 85.1 MB in the beginning and 143.1 MB in the end (delta: -58.0 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,399 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.95 ms. Allocated memory is still 131.1 MB. Free memory was 84.9 MB in the beginning and 75.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,402 INFO L168 Benchmark]: Boogie Preprocessor took 128.51 ms. Allocated memory was 131.1 MB in the beginning and 199.8 MB in the end (delta: 68.7 MB). Free memory was 75.5 MB in the beginning and 176.1 MB in the end (delta: -100.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,406 INFO L168 Benchmark]: RCFGBuilder took 276.10 ms. Allocated memory is still 199.8 MB. Free memory was 176.1 MB in the beginning and 162.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,407 INFO L168 Benchmark]: Abstract Interpretation took 367.86 ms. Allocated memory is still 199.8 MB. Free memory was 162.4 MB in the beginning and 143.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:42,416 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 131.1 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 292.95 ms. Allocated memory is still 131.1 MB. Free memory was 84.9 MB in the beginning and 75.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.51 ms. Allocated memory was 131.1 MB in the beginning and 199.8 MB in the end (delta: 68.7 MB). Free memory was 75.5 MB in the beginning and 176.1 MB in the end (delta: -100.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 276.10 ms. Allocated memory is still 199.8 MB. Free memory was 176.1 MB in the beginning and 162.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 367.86 ms. Allocated memory is still 199.8 MB. Free memory was 162.4 MB in the beginning and 143.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 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...