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 0.1.24-0883e75 [2019-09-05 13:35:06,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:35:06,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:35:06,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 13:35:06,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 13:35:06,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 13:35:06,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 13:35:06,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 13:35:06,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 13:35:06,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 13:35:06,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 13:35:06,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 13:35:06,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:35:06,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:35:06,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:35:06,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:35:06,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:35:06,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:35:06,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:35:06,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:35:06,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:35:06,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:35:06,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:35:06,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:35:06,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 13:35:06,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 13:35:06,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 13:35:06,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 13:35:06,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 13:35:06,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 13:35:06,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 13:35:06,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 13:35:06,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 13:35:06,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 13:35:06,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 13:35:06,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 13:35:06,798 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 [2019-09-05 13:35:06,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:35:06,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:35:06,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:35:06,818 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:35:06,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:35:06,819 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:35:06,820 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:35:06,820 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:35:06,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:35:06,820 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:35:06,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:35:06,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:35:06,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:35:06,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:35:06,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:35:06,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:35:06,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:35:06,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:35:06,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:35:06,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:35:06,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:35:06,825 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:35:06,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:35:06,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:35:06,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:35:06,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:35:06,826 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:35:06,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:35:06,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:35:06,827 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:35:06,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:35:06,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:35:06,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:35:06,896 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:35:06,899 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:35:06,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i [2019-09-05 13:35:06,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0f34cafd/f766f69d458a4cf09f9d24f174383974/FLAG55e12e993 [2019-09-05 13:35:07,442 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:35:07,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i [2019-09-05 13:35:07,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0f34cafd/f766f69d458a4cf09f9d24f174383974/FLAG55e12e993 [2019-09-05 13:35:07,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0f34cafd/f766f69d458a4cf09f9d24f174383974 [2019-09-05 13:35:07,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:35:07,837 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:35:07,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:07,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:35:07,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:35:07,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:07" (1/1) ... [2019-09-05 13:35:07,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10649d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:07, skipping insertion in model container [2019-09-05 13:35:07,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:07" (1/1) ... [2019-09-05 13:35:07,855 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:35:07,879 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:35:08,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:08,056 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:35:08,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:08,098 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:35:08,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08 WrapperNode [2019-09-05 13:35:08,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:08,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:35:08,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:35:08,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:35:08,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:35:08,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:35:08,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:35:08,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:35:08,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (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 [2019-09-05 13:35:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:35:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:35:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:35:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:35:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:35:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:35:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:35:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:35:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:35:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:35:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:35:08,564 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:35:08,565 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-05 13:35:08,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:08 BoogieIcfgContainer [2019-09-05 13:35:08,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:35:08,583 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:35:08,583 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:35:08,584 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:35:08,585 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,633 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:35:09,232 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:35:09,253 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. [2019-09-05 13:35:09,254 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:35:09,257 INFO L168 Benchmark]: Toolchain (without parser) took 1418.51 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 85.0 MB in the beginning and 99.7 MB in the end (delta: -14.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:09,258 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 138.9 MB. Free memory is still 103.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 13:35:09,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.60 ms. Allocated memory is still 138.9 MB. Free memory was 85.0 MB in the beginning and 75.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:09,260 INFO L168 Benchmark]: Boogie Preprocessor took 123.45 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 75.0 MB in the beginning and 175.7 MB in the end (delta: -100.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:09,261 INFO L168 Benchmark]: RCFGBuilder took 358.78 ms. Allocated memory is still 198.7 MB. Free memory was 175.7 MB in the beginning and 160.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:09,262 INFO L168 Benchmark]: Abstract Interpretation took 670.92 ms. Allocated memory is still 198.7 MB. Free memory was 160.9 MB in the beginning and 99.7 MB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:09,266 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 ms. Allocated memory is still 138.9 MB. Free memory is still 103.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 260.60 ms. Allocated memory is still 138.9 MB. Free memory was 85.0 MB in the beginning and 75.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.45 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 75.0 MB in the beginning and 175.7 MB in the end (delta: -100.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 358.78 ms. Allocated memory is still 198.7 MB. Free memory was 175.7 MB in the beginning and 160.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 670.92 ms. Allocated memory is still 198.7 MB. Free memory was 160.9 MB in the beginning and 99.7 MB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 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