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/SpamAssassin-loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:06,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:06,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:06,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:06,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:06,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:06,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:06,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:06,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:06,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:06,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:06,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:06,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:06,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:06,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:06,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:06,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:06,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:06,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:06,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:06,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:06,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:06,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:06,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:06,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:06,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:44:06,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:44:06,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:44:06,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:44:06,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:44:06,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:44:06,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:44:06,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:44:06,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:06,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:06,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:06,123 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 04:44:06,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:06,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:06,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:06,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:06,142 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:06,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:06,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:06,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:06,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:06,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:06,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:06,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:06,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:06,144 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:06,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:06,145 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:06,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:06,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:06,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:06,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:06,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:06,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:06,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:06,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:06,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:06,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:06,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:06,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:06,148 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 04:44:06,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:06,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:06,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:06,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:06,459 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:06,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i [2019-10-15 04:44:06,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a3632a98/746970448c22491784ea110772bb1c78/FLAG5a6b50482 [2019-10-15 04:44:06,955 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:06,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i [2019-10-15 04:44:06,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a3632a98/746970448c22491784ea110772bb1c78/FLAG5a6b50482 [2019-10-15 04:44:07,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a3632a98/746970448c22491784ea110772bb1c78 [2019-10-15 04:44:07,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:07,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:07,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:07,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:07,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:07,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45859c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07, skipping insertion in model container [2019-10-15 04:44:07,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,373 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:07,394 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:07,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:07,579 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:07,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:07,619 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:07,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07 WrapperNode [2019-10-15 04:44:07,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:07,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:07,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:07,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:07,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:07,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:07,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:07,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:07,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (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 04:44:07,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:07,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:07,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:07,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:08,090 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:08,090 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 04:44:08,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:08 BoogieIcfgContainer [2019-10-15 04:44:08,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:08,092 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:08,092 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:08,093 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:08,093 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:08" (1/1) ... [2019-10-15 04:44:08,121 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:08,829 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:08,860 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. [2019-10-15 04:44:08,860 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:08,865 INFO L168 Benchmark]: Toolchain (without parser) took 1505.28 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 103.6 MB in the beginning and 107.6 MB in the end (delta: -3.9 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:08,867 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:08,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.54 ms. Allocated memory is still 146.8 MB. Free memory was 103.4 MB in the beginning and 93.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:08,870 INFO L168 Benchmark]: Boogie Preprocessor took 142.07 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 93.6 MB in the beginning and 183.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:08,872 INFO L168 Benchmark]: RCFGBuilder took 328.88 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 168.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:08,873 INFO L168 Benchmark]: Abstract Interpretation took 768.38 ms. Allocated memory is still 205.0 MB. Free memory was 167.8 MB in the beginning and 107.6 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:08,885 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.54 ms. Allocated memory is still 146.8 MB. Free memory was 103.4 MB in the beginning and 93.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.07 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 93.6 MB in the beginning and 183.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 328.88 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 168.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 768.38 ms. Allocated memory is still 205.0 MB. Free memory was 167.8 MB in the beginning and 107.6 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 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