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/SpamAssassin-loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:33,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:33,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:33,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:33,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:33,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:33,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:33,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:33,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:33,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:33,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:33,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:33,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:33,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:33,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:33,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:33,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:33,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:47:33,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:47:33,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:47:33,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:47:33,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:47:33,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:47:33,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:47:33,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:47:33,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:33,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:33,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:33,231 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 13:47:33,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:33,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:33,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:33,257 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:33,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:33,258 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:33,259 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:33,259 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:33,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:33,259 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:33,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:33,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:33,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:33,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:33,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:33,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:33,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:33,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:33,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:33,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:33,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:33,264 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:33,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:33,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:33,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:33,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:33,265 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:33,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:33,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:33,265 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:33,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:33,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:33,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:33,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:33,335 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:33,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i [2019-09-20 13:47:33,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b1741b90/707bbdc199c9435e8574c975ee834394/FLAG7a3ebff20 [2019-09-20 13:47:33,814 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:33,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i [2019-09-20 13:47:33,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b1741b90/707bbdc199c9435e8574c975ee834394/FLAG7a3ebff20 [2019-09-20 13:47:34,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b1741b90/707bbdc199c9435e8574c975ee834394 [2019-09-20 13:47:34,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:34,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:34,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:34,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:34,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:34,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:34" (1/1) ... [2019-09-20 13:47:34,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6487c26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:34, skipping insertion in model container [2019-09-20 13:47:34,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:34" (1/1) ... [2019-09-20 13:47:34,251 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:34,270 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:34,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:34,466 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:34,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:34,506 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:34,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:34 WrapperNode [2019-09-20 13:47:34,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:34,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:34,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:34,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:34,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:34" (1/1) ... [2019-09-20 13:47:34,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:34" (1/1) ... [2019-09-20 13:47:34,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:34" (1/1) ... [2019-09-20 13:47:34,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:34" (1/1) ... [2019-09-20 13:47:34,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:34" (1/1) ... [2019-09-20 13:47:34,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:34" (1/1) ... [2019-09-20 13:47:34,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:34" (1/1) ... [2019-09-20 13:47:34,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:34,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:34,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:34,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:34,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:34" (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 13:47:34,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:34,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:34,921 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:34,922 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:47:34,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:34 BoogieIcfgContainer [2019-09-20 13:47:34,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:34,937 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:34,937 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:34,938 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:34,943 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:34" (1/1) ... [2019-09-20 13:47:35,005 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:35,646 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:35,687 INFO L272 AbstractInterpreter]: Visited 64 different actions 991 times. Merged at 31 different actions 158 times. Widened at 4 different actions 6 times. Performed 1036 root evaluator evaluations with a maximum evaluation depth of 6. Performed 1036 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 28 fixpoints after 9 different actions. Largest state had 16 variables. [2019-09-20 13:47:35,688 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:35,700 INFO L168 Benchmark]: Toolchain (without parser) took 1461.23 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 87.0 MB in the beginning and 98.0 MB in the end (delta: -11.0 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:35,706 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-09-20 13:47:35,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.19 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 76.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:35,711 INFO L168 Benchmark]: Boogie Preprocessor took 126.18 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 76.4 MB in the beginning and 174.5 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:35,712 INFO L168 Benchmark]: RCFGBuilder took 301.96 ms. Allocated memory is still 198.2 MB. Free memory was 174.5 MB in the beginning and 159.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:35,713 INFO L168 Benchmark]: Abstract Interpretation took 750.99 ms. Allocated memory is still 198.2 MB. Free memory was 158.3 MB in the beginning and 98.0 MB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:35,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 273.19 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 76.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.18 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 76.4 MB in the beginning and 174.5 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 301.96 ms. Allocated memory is still 198.2 MB. Free memory was 174.5 MB in the beginning and 159.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 750.99 ms. Allocated memory is still 198.2 MB. Free memory was 158.3 MB in the beginning and 98.0 MB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 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: [L12] int len; [L13] int i; [L14] int j; [L15] int bufsize; [L16] bufsize = __VERIFIER_nondet_int() [L17] COND FALSE !(bufsize < 0) [L18] len = __VERIFIER_nondet_int() [L19] int limit = bufsize - 4; [L20] i = 0 [L20] COND TRUE i < len [L21] j = 0 [L21] COND TRUE i < len && j < limit [L22] COND FALSE !(i + 1 < len) [L43] CALL __VERIFIER_assert(i