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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:13,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:13,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:13,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:13,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:13,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:13,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:13,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:13,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:13,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:13,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:13,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:13,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:13,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:13,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:13,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:13,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:13,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:13,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:13,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:13,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:13,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:13,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:13,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:13,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:13,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:44:13,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:44:13,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:44:13,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:44:13,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:44:13,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:44:13,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:44:13,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:44:13,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:13,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:13,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:13,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 04:44:13,700 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:13,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:13,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:13,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:13,707 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:13,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:13,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:13,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:13,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:13,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:13,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:13,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:13,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:13,710 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:13,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:13,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:13,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:13,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:13,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:13,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:13,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:13,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:13,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:13,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:13,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:13,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:13,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:13,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:13,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:13,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:14,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:14,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:14,015 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:14,015 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:14,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2019-10-15 04:44:14,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e479423e4/c17e9405809f423a99b5f227a4621ac3/FLAG59afe4448 [2019-10-15 04:44:14,573 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:14,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2019-10-15 04:44:14,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e479423e4/c17e9405809f423a99b5f227a4621ac3/FLAG59afe4448 [2019-10-15 04:44:14,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e479423e4/c17e9405809f423a99b5f227a4621ac3 [2019-10-15 04:44:14,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:14,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:14,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:14,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:14,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:14,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:14" (1/1) ... [2019-10-15 04:44:14,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8a8502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:14, skipping insertion in model container [2019-10-15 04:44:14,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:14" (1/1) ... [2019-10-15 04:44:14,950 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:14,965 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:15,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:15,145 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:15,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:15,177 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:15,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:15 WrapperNode [2019-10-15 04:44:15,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:15,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:15,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:15,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:15,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:15" (1/1) ... [2019-10-15 04:44:15,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:15" (1/1) ... [2019-10-15 04:44:15,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:15" (1/1) ... [2019-10-15 04:44:15,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:15" (1/1) ... [2019-10-15 04:44:15,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:15" (1/1) ... [2019-10-15 04:44:15,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:15" (1/1) ... [2019-10-15 04:44:15,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:15" (1/1) ... [2019-10-15 04:44:15,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:15,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:15,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:15,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:15,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:15" (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 [2019-10-15 04:44:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:15,607 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:15,607 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:15,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:15 BoogieIcfgContainer [2019-10-15 04:44:15,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:15,610 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:15,610 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:15,611 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:15,618 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:15" (1/1) ... [2019-10-15 04:44:15,659 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:16,169 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:16,202 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. [2019-10-15 04:44:16,202 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:16,207 INFO L168 Benchmark]: Toolchain (without parser) took 1269.18 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 105.5 MB in the beginning and 133.5 MB in the end (delta: -28.0 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:16,210 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 123.8 MB in the beginning and 123.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:16,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.36 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 95.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:16,215 INFO L168 Benchmark]: Boogie Preprocessor took 117.70 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 95.6 MB in the beginning and 182.4 MB in the end (delta: -86.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:16,218 INFO L168 Benchmark]: RCFGBuilder took 313.43 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 168.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:16,219 INFO L168 Benchmark]: Abstract Interpretation took 592.42 ms. Allocated memory is still 203.9 MB. Free memory was 168.8 MB in the beginning and 133.5 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:16,231 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 123.8 MB in the beginning and 123.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.36 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 95.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.70 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 95.6 MB in the beginning and 182.4 MB in the end (delta: -86.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 313.43 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 168.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 592.42 ms. Allocated memory is still 203.9 MB. Free memory was 168.8 MB in the beginning and 133.5 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 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...