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-crafted-1/nested5-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:27:19,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:27:19,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:27:19,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:27:19,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:27:19,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:27:19,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:27:19,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:27:19,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:27:19,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:27:19,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:27:19,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:27:19,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:27:19,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:27:19,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:27:19,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:27:19,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:27:19,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:27:19,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:27:19,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:27:19,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:27:19,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:27:19,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:27:19,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:27:19,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:27:19,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:27:19,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:27:19,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:27:19,406 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 21:27:19,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:27:19,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:27:19,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:27:19,423 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:27:19,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:27:19,423 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:27:19,424 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:27:19,424 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:27:19,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:27:19,424 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:27:19,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:27:19,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:27:19,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:27:19,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:27:19,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:27:19,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:27:19,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:27:19,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:27:19,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:27:19,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:27:19,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:27:19,427 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:27:19,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:27:19,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:27:19,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:27:19,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:27:19,428 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:27:19,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:27:19,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:27:19,429 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:27:19,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:27:19,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:27:19,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:27:19,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:27:19,477 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:27:19,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested5-2.c [2019-09-03 21:27:19,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887f2a35d/019efc51d039494a80f9ea65468f83a4/FLAGdf3ebb1ce [2019-09-03 21:27:19,951 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:27:19,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested5-2.c [2019-09-03 21:27:19,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887f2a35d/019efc51d039494a80f9ea65468f83a4/FLAGdf3ebb1ce [2019-09-03 21:27:20,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887f2a35d/019efc51d039494a80f9ea65468f83a4 [2019-09-03 21:27:20,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:27:20,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:27:20,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:20,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:27:20,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:27:20,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:20" (1/1) ... [2019-09-03 21:27:20,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1699d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:20, skipping insertion in model container [2019-09-03 21:27:20,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:20" (1/1) ... [2019-09-03 21:27:20,364 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:27:20,379 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:27:20,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:20,613 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:27:20,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:20,657 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:27:20,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:20 WrapperNode [2019-09-03 21:27:20,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:20,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:27:20,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:27:20,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:27:20,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:20" (1/1) ... [2019-09-03 21:27:20,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:20" (1/1) ... [2019-09-03 21:27:20,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:20" (1/1) ... [2019-09-03 21:27:20,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:20" (1/1) ... [2019-09-03 21:27:20,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:20" (1/1) ... [2019-09-03 21:27:20,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:20" (1/1) ... [2019-09-03 21:27:20,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:20" (1/1) ... [2019-09-03 21:27:20,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:27:20,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:27:20,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:27:20,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:27:20,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:20" (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 21:27:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:27:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:27:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:27:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:27:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:27:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:27:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:27:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:27:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:27:21,234 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:27:21,235 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-03 21:27:21,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:21 BoogieIcfgContainer [2019-09-03 21:27:21,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:27:21,237 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:27:21,237 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:27:21,238 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:27:21,238 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:21" (1/1) ... [2019-09-03 21:27:21,269 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:27:21,340 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:27:23,896 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:27:23,917 INFO L272 AbstractInterpreter]: Visited 36 different actions 501 times. Merged at 17 different actions 202 times. Widened at 9 different actions 64 times. Performed 906 root evaluator evaluations with a maximum evaluation depth of 14. Performed 906 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Found 84 fixpoints after 10 different actions. Largest state had 11 variables. [2019-09-03 21:27:23,917 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:27:23,920 INFO L168 Benchmark]: Toolchain (without parser) took 3571.90 ms. Allocated memory was 131.1 MB in the beginning and 468.7 MB in the end (delta: 337.6 MB). Free memory was 86.6 MB in the beginning and 230.4 MB in the end (delta: -143.8 MB). Peak memory consumption was 193.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:23,921 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:27:23,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.25 ms. Allocated memory is still 131.1 MB. Free memory was 86.4 MB in the beginning and 76.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:23,924 INFO L168 Benchmark]: Boogie Preprocessor took 141.31 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 76.9 MB in the beginning and 174.0 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:23,925 INFO L168 Benchmark]: RCFGBuilder took 435.48 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 160.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:23,926 INFO L168 Benchmark]: Abstract Interpretation took 2680.20 ms. Allocated memory was 197.7 MB in the beginning and 468.7 MB in the end (delta: 271.1 MB). Free memory was 160.6 MB in the beginning and 230.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 201.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:23,930 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 310.25 ms. Allocated memory is still 131.1 MB. Free memory was 86.4 MB in the beginning and 76.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.31 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 76.9 MB in the beginning and 174.0 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 435.48 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 160.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2680.20 ms. Allocated memory was 197.7 MB in the beginning and 468.7 MB in the end (delta: 271.1 MB). Free memory was 160.6 MB in the beginning and 230.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 201.3 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] unsigned int x = 0; [L12] unsigned int y = 0; [L13] unsigned int z = 0; [L14] unsigned int w = 0; [L15] unsigned int v = 0; [L16] w=0 [L16] COND TRUE w<0x0fffffff [L18] x=0 [L18] COND TRUE x< 10 [L19] y=0 [L19] COND TRUE y< 10 [L20] z=0 [L20] COND TRUE z< 10 [L21] v=0 [L21] COND FALSE !(v< 0x0fffffff) [L22] CALL __VERIFIER_assert(!(v % 4)) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...