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/sendmail-close-angle.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:40,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:40,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:40,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:40,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:40,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:40,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:40,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:40,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:40,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:40,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:40,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:40,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:40,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:40,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:40,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:40,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:40,854 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 13:47:40,882 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:40,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:40,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:40,884 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:40,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:40,885 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:40,885 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:40,885 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:40,885 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:40,885 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:40,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:40,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:40,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:40,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:40,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:40,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:40,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:40,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:40,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:40,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:40,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:40,891 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:40,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:40,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:40,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:40,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:40,892 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:40,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:40,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:40,893 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:40,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:40,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:40,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:40,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:40,968 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:40,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2019-09-20 13:47:41,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e86db0f/03be7b9af18b4493991aa48b90e33c81/FLAGaa15edcb7 [2019-09-20 13:47:41,468 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:41,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2019-09-20 13:47:41,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e86db0f/03be7b9af18b4493991aa48b90e33c81/FLAGaa15edcb7 [2019-09-20 13:47:41,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e86db0f/03be7b9af18b4493991aa48b90e33c81 [2019-09-20 13:47:41,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:41,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:41,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:41,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:41,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:41,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2499351f 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 13:47:41,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,914 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:41,931 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:42,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:42,116 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:42,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:42,148 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:42,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42 WrapperNode [2019-09-20 13:47:42,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:42,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:42,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:42,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:42,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (1/1) ... [2019-09-20 13:47:42,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:42,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:42,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:42,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:42,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:42" (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 13:47:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:42,608 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:42,609 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:42,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:42 BoogieIcfgContainer [2019-09-20 13:47:42,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:42,616 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:42,616 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:42,617 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:42,618 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 13:47:42,673 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:43,216 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:43,251 INFO L272 AbstractInterpreter]: Visited 48 different actions 540 times. Merged at 19 different actions 96 times. Widened at 1 different actions 2 times. Performed 566 root evaluator evaluations with a maximum evaluation depth of 6. Performed 566 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 17 fixpoints after 4 different actions. Largest state had 13 variables. [2019-09-20 13:47:43,251 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:43,261 INFO L168 Benchmark]: Toolchain (without parser) took 1355.72 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 84.7 MB in the beginning and 123.9 MB in the end (delta: -39.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:43,265 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:43,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.47 ms. Allocated memory is still 137.4 MB. Free memory was 84.5 MB in the beginning and 74.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:43,272 INFO L168 Benchmark]: Boogie Preprocessor took 126.06 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 74.8 MB in the beginning and 175.4 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:43,276 INFO L168 Benchmark]: RCFGBuilder took 338.37 ms. Allocated memory is still 198.2 MB. Free memory was 175.4 MB in the beginning and 161.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:43,279 INFO L168 Benchmark]: Abstract Interpretation took 635.43 ms. Allocated memory is still 198.2 MB. Free memory was 160.7 MB in the beginning and 123.9 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:43,289 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 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.47 ms. Allocated memory is still 137.4 MB. Free memory was 84.5 MB in the beginning and 74.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.06 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 74.8 MB in the beginning and 175.4 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 338.37 ms. Allocated memory is still 198.2 MB. Free memory was 175.4 MB in the beginning and 161.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 635.43 ms. Allocated memory is still 198.2 MB. Free memory was 160.7 MB in the beginning and 123.9 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 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: [L12] int in; [L13] int inlen = __VERIFIER_nondet_int(); [L14] int bufferlen = __VERIFIER_nondet_int(); [L15] int buf; [L16] int buflim; [L17] COND TRUE bufferlen >1 [L18] COND TRUE inlen > 0 [L19] COND TRUE bufferlen < inlen [L20] buf = 0 [L21] in = 0 [L22] buflim = bufferlen - 2 [L23] COND FALSE !(__VERIFIER_nondet_int()) [L35] CALL __VERIFIER_assert(0<=buf) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...