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/recursive/Addition03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:23:51,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:23:51,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:23:51,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:23:51,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:23:51,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:23:51,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:23:51,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:23:51,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:23:51,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:23:51,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:23:51,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:23:51,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:23:51,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:23:51,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:23:51,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:23:51,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:23:51,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:23:51,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:23:51,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:23:51,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:23:51,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:23:51,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:23:51,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:23:51,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:23:52,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:23:52,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:23:52,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:23:52,010 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 [2019-09-11 16:23:52,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:23:52,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:23:52,028 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:23:52,030 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:23:52,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:23:52,031 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:23:52,031 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:23:52,031 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:23:52,031 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:23:52,032 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:23:52,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:23:52,032 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:23:52,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:23:52,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:23:52,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:23:52,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:23:52,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:23:52,034 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:23:52,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:23:52,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:23:52,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:23:52,036 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:23:52,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:23:52,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:23:52,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:23:52,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:23:52,037 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:23:52,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:23:52,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:23:52,038 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:23:52,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:23:52,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:23:52,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:23:52,115 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:23:52,115 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:23:52,117 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Addition03-1.c [2019-09-11 16:23:52,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1653fc50/32e566ff371c452289e221c4d88aaf29/FLAG6cfc9aa1d [2019-09-11 16:23:52,668 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:23:52,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Addition03-1.c [2019-09-11 16:23:52,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1653fc50/32e566ff371c452289e221c4d88aaf29/FLAG6cfc9aa1d [2019-09-11 16:23:53,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1653fc50/32e566ff371c452289e221c4d88aaf29 [2019-09-11 16:23:53,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:23:53,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:23:53,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:23:53,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:23:53,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:23:53,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:23:53" (1/1) ... [2019-09-11 16:23:53,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550d9b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:23:53, skipping insertion in model container [2019-09-11 16:23:53,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:23:53" (1/1) ... [2019-09-11 16:23:53,098 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:23:53,118 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:23:53,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:23:53,283 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:23:53,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:23:53,312 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:23:53,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:23:53 WrapperNode [2019-09-11 16:23:53,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:23:53,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:23:53,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:23:53,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:23:53,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:23:53" (1/1) ... [2019-09-11 16:23:53,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:23:53" (1/1) ... [2019-09-11 16:23:53,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:23:53" (1/1) ... [2019-09-11 16:23:53,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:23:53" (1/1) ... [2019-09-11 16:23:53,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:23:53" (1/1) ... [2019-09-11 16:23:53,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:23:53" (1/1) ... [2019-09-11 16:23:53,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:23:53" (1/1) ... [2019-09-11 16:23:53,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:23:53,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:23:53,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:23:53,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:23:53,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:23:53" (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 [2019-09-11 16:23:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:23:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:23:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2019-09-11 16:23:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:23:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:23:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:23:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2019-09-11 16:23:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:23:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:23:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:23:53,715 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:23:53,715 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:23:53,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:23:53 BoogieIcfgContainer [2019-09-11 16:23:53,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:23:53,718 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:23:53,718 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:23:53,718 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:23:53,720 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:23:53" (1/1) ... [2019-09-11 16:23:53,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:23:54,196 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:23:54,218 INFO L272 AbstractInterpreter]: Visited 29 different actions 253 times. Merged at 11 different actions 100 times. Widened at 2 different actions 6 times. Performed 350 root evaluator evaluations with a maximum evaluation depth of 5. Performed 350 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 6 different actions. Largest state had 7 variables. [2019-09-11 16:23:54,218 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:23:54,221 INFO L168 Benchmark]: Toolchain (without parser) took 1139.34 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 91.3 MB in the beginning and 150.0 MB in the end (delta: -58.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:23:54,222 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory is still 109.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:23:54,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.23 ms. Allocated memory is still 141.0 MB. Free memory was 91.3 MB in the beginning and 81.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:23:54,225 INFO L168 Benchmark]: Boogie Preprocessor took 124.12 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 81.9 MB in the beginning and 179.3 MB in the end (delta: -97.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:23:54,226 INFO L168 Benchmark]: RCFGBuilder took 279.14 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 167.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:23:54,227 INFO L168 Benchmark]: Abstract Interpretation took 500.41 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 150.0 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:23:54,231 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory is still 109.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 231.23 ms. Allocated memory is still 141.0 MB. Free memory was 91.3 MB in the beginning and 81.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.12 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 81.9 MB in the beginning and 179.3 MB in the end (delta: -97.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 279.14 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 167.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 500.41 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 150.0 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 33]: 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: [L27] int m = __VERIFIER_nondet_int(); [L28] int n = __VERIFIER_nondet_int(); [L29] CALL, EXPR addition(m,n) [L14] COND TRUE n == 0 [L15] return m; [L29] RET, EXPR addition(m,n) [L29] long long result = addition(m,n); [L30] COND FALSE !(m < 100 || n < 100 || result >= 200) [L33] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...