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/loops/sum04-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:25:45,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:25:45,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:25:45,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:25:45,975 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 [2019-09-03 21:25:46,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:25:46,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:25:46,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:25:46,007 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:25:46,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:25:46,008 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:25:46,009 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:25:46,009 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:25:46,011 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:25:46,011 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:25:46,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:25:46,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:25:46,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:25:46,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:25:46,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:25:46,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:25:46,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:25:46,015 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:25:46,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:25:46,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:25:46,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:25:46,017 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:25:46,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:25:46,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:25:46,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:25:46,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:25:46,019 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:25:46,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:25:46,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:25:46,019 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:25:46,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:25:46,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:25:46,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:25:46,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:25:46,094 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:25:46,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum04-1.i [2019-09-03 21:25:46,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1565a6f8d/1ccbd8b24cd04c84b6a2f67588f48161/FLAG92c07563c [2019-09-03 21:25:46,556 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:25:46,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum04-1.i [2019-09-03 21:25:46,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1565a6f8d/1ccbd8b24cd04c84b6a2f67588f48161/FLAG92c07563c [2019-09-03 21:25:46,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1565a6f8d/1ccbd8b24cd04c84b6a2f67588f48161 [2019-09-03 21:25:47,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:25:47,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:25:47,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:25:47,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:25:47,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:25:47,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:47,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd4a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:47, skipping insertion in model container [2019-09-03 21:25:47,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:47,022 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:25:47,042 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:25:47,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:25:47,287 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:25:47,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:25:47,325 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:25:47,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:47 WrapperNode [2019-09-03 21:25:47,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:25:47,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:25:47,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:25:47,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:25:47,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:47" (1/1) ... [2019-09-03 21:25:47,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:47" (1/1) ... [2019-09-03 21:25:47,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:47" (1/1) ... [2019-09-03 21:25:47,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:47" (1/1) ... [2019-09-03 21:25:47,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:47" (1/1) ... [2019-09-03 21:25:47,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:47" (1/1) ... [2019-09-03 21:25:47,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:47" (1/1) ... [2019-09-03 21:25:47,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:25:47,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:25:47,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:25:47,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:25:47,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:47" (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 [2019-09-03 21:25:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:25:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:25:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:25:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:25:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:25:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:25:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:25:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:25:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:25:47,730 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:25:47,731 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:25:47,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:25:47 BoogieIcfgContainer [2019-09-03 21:25:47,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:25:47,733 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:25:47,733 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:25:47,733 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:25:47,734 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:25:47" (1/1) ... [2019-09-03 21:25:47,757 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:25:47,899 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:25:47,919 INFO L272 AbstractInterpreter]: Visited 22 different actions 68 times. Merged at 4 different actions 25 times. Widened at 1 different actions 2 times. Performed 132 root evaluator evaluations with a maximum evaluation depth of 7. Performed 132 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 6 fixpoints after 2 different actions. Largest state had 4 variables. [2019-09-03 21:25:47,919 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:25:47,922 INFO L168 Benchmark]: Toolchain (without parser) took 917.21 ms. Allocated memory was 131.6 MB in the beginning and 201.3 MB in the end (delta: 69.7 MB). Free memory was 88.0 MB in the beginning and 157.6 MB in the end (delta: -69.6 MB). Peak memory consumption was 114.3 kB. Max. memory is 7.1 GB. [2019-09-03 21:25:47,924 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:25:47,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.40 ms. Allocated memory is still 131.6 MB. Free memory was 87.5 MB in the beginning and 78.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:47,927 INFO L168 Benchmark]: Boogie Preprocessor took 172.49 ms. Allocated memory was 131.6 MB in the beginning and 201.3 MB in the end (delta: 69.7 MB). Free memory was 78.5 MB in the beginning and 178.2 MB in the end (delta: -99.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:47,928 INFO L168 Benchmark]: RCFGBuilder took 231.50 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 167.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:47,929 INFO L168 Benchmark]: Abstract Interpretation took 186.82 ms. Allocated memory is still 201.3 MB. Free memory was 167.0 MB in the beginning and 157.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:47,934 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 322.40 ms. Allocated memory is still 131.6 MB. Free memory was 87.5 MB in the beginning and 78.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 172.49 ms. Allocated memory was 131.6 MB in the beginning and 201.3 MB in the end (delta: 69.7 MB). Free memory was 78.5 MB in the beginning and 178.2 MB in the end (delta: -99.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.50 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 167.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 186.82 ms. Allocated memory is still 201.3 MB. Free memory was 167.0 MB in the beginning and 157.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 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 i, sn=0; [L13] i=1 [L13] COND TRUE i<=8 [L14] COND TRUE i<4 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=8 [L14] COND TRUE i<4 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=8 [L14] COND TRUE i<4 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=8 [L14] COND FALSE !(i<4) [L13] i++ [L13] COND TRUE i<=8 [L14] COND FALSE !(i<4) [L13] i++ [L13] COND TRUE i<=8 [L14] COND FALSE !(i<4) [L13] i++ [L13] COND FALSE !(i<=8) [L17] CALL __VERIFIER_assert(sn==8*(2) || sn == 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...