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 0.1.24-673a906-m [2019-10-03 12:38:35,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:38:35,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:38:35,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:38:35,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:38:35,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:38:35,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:38:35,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:38:35,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:38:35,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:38:35,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:38:35,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:38:35,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:38:35,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:38:35,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:38:35,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:38:35,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:38:35,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:38:35,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:38:35,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:38:35,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:38:35,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:38:35,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:38:35,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:38:35,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:38:35,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:38:35,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:38:35,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:38:35,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:38:35,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:38:35,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:38:35,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:38:35,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-10-03 12:38:35,766 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 12:38:35,781 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:38:35,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:38:35,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:38:35,782 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:38:35,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:38:35,782 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:38:35,783 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:38:35,783 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:38:35,783 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:38:35,783 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:38:35,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:38:35,784 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:38:35,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:38:35,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:38:35,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:38:35,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:38:35,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:38:35,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:38:35,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:38:35,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:38:35,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:38:35,786 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:38:35,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:38:35,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:35,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:38:35,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:38:35,787 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:38:35,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:38:35,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:38:35,788 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:38:35,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:38:35,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:38:35,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:38:35,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:38:35,833 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:38:35,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2019-10-03 12:38:35,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092f8a921/0a3c3de535a3435a93c5f99ff725e7b8/FLAG871152cca [2019-10-03 12:38:36,358 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:38:36,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2019-10-03 12:38:36,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092f8a921/0a3c3de535a3435a93c5f99ff725e7b8/FLAG871152cca [2019-10-03 12:38:36,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092f8a921/0a3c3de535a3435a93c5f99ff725e7b8 [2019-10-03 12:38:36,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:38:36,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:38:36,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:36,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:38:36,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:38:36,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4098bfbd 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 12:38:36,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:36" (1/1) ... [2019-10-03 12:38:36,761 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:38:36,780 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:38:36,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:36,946 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:38:36,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:36,975 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:38:36,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:36 WrapperNode [2019-10-03 12:38:36,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:36,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:38:36,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:38:36,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:38:36,988 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 12:38:36,989 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 12:38:37,085 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 12:38:37,086 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 12:38:37,095 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 12:38:37,101 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 12:38:37,102 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 12:38:37,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:38:37,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:38:37,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:38:37,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:38:37,105 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 12:38:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:38:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:38:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:38:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:38:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:38:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:38:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:38:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:38:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:38:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:38:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:38:37,391 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:38:37,391 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:38:37,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:37 BoogieIcfgContainer [2019-10-03 12:38:37,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:38:37,395 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:38:37,395 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:38:37,395 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:38:37,396 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 12:38:37,451 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:38:37,961 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:38:37,984 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. [2019-10-03 12:38:37,984 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:38:37,988 INFO L168 Benchmark]: Toolchain (without parser) took 1246.52 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 89.0 MB in the beginning and 124.8 MB in the end (delta: -35.8 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,989 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.87 ms. Allocated memory is still 132.6 MB. Free memory was 88.8 MB in the beginning and 79.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,991 INFO L168 Benchmark]: Boogie Preprocessor took 127.16 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 79.1 MB in the beginning and 176.2 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,992 INFO L168 Benchmark]: RCFGBuilder took 289.89 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 162.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,993 INFO L168 Benchmark]: Abstract Interpretation took 589.46 ms. Allocated memory is still 199.8 MB. Free memory was 162.1 MB in the beginning and 124.8 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:37,997 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 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 231.87 ms. Allocated memory is still 132.6 MB. Free memory was 88.8 MB in the beginning and 79.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.16 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 79.1 MB in the beginning and 176.2 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 289.89 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 162.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 589.46 ms. Allocated memory is still 199.8 MB. Free memory was 162.1 MB in the beginning and 124.8 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 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 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...