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-new/gauss_sum.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:39:12,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:39:12,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:39:12,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:39:12,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:39:12,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:39:12,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:39:12,949 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 [2019-10-14 00:39:12,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:39:12,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:39:12,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:39:12,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:39:12,975 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:39:12,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:39:12,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:39:12,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:39:12,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:39:12,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:39:12,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:39:12,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:39:12,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:39:12,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:39:12,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:39:12,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:39:12,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:39:12,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:39:12,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:39:12,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:39:12,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:39:12,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:39:12,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:39:12,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:39:12,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:39:12,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:39:12,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:39:12,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:39:12,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:39:13,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:39:13,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:39:13,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:39:13,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:39:13,265 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:39:13,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i [2019-10-14 00:39:13,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d9b62546/6ba081addfd749798e3839f11de87358/FLAG908040ec2 [2019-10-14 00:39:13,780 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:39:13,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i [2019-10-14 00:39:13,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d9b62546/6ba081addfd749798e3839f11de87358/FLAG908040ec2 [2019-10-14 00:39:14,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d9b62546/6ba081addfd749798e3839f11de87358 [2019-10-14 00:39:14,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:39:14,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:39:14,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:14,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:39:14,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:39:14,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f461a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14, skipping insertion in model container [2019-10-14 00:39:14,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,215 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:39:14,234 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:39:14,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:14,410 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:39:14,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:14,437 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:39:14,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14 WrapperNode [2019-10-14 00:39:14,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:14,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:39:14,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:39:14,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:39:14,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:39:14,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:39:14,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:39:14,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:39:14,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:14" (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 [2019-10-14 00:39:14,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:39:14,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:39:14,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 00:39:14,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:39:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:39:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:39:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:39:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:39:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:39:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:39:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:39:14,780 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:39:14,780 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:39:14,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:14 BoogieIcfgContainer [2019-10-14 00:39:14,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:39:14,783 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:39:14,783 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:39:14,783 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:39:14,784 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,807 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:39:15,062 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:39:15,083 INFO L272 AbstractInterpreter]: Visited 23 different actions 81 times. Merged at 6 different actions 20 times. Widened at 1 different actions 3 times. Performed 101 root evaluator evaluations with a maximum evaluation depth of 7. Performed 101 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 6 fixpoints after 3 different actions. Largest state had 6 variables. [2019-10-14 00:39:15,083 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:39:15,086 INFO L168 Benchmark]: Toolchain (without parser) took 887.64 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 103.2 MB in the beginning and 156.1 MB in the end (delta: -52.9 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,088 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.27 ms. Allocated memory is still 145.2 MB. Free memory was 103.0 MB in the beginning and 93.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,090 INFO L168 Benchmark]: Boogie Preprocessor took 111.53 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 93.7 MB in the beginning and 181.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,092 INFO L168 Benchmark]: RCFGBuilder took 231.89 ms. Allocated memory is still 202.4 MB. Free memory was 181.3 MB in the beginning and 169.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,093 INFO L168 Benchmark]: Abstract Interpretation took 300.69 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 156.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,098 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 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.27 ms. Allocated memory is still 145.2 MB. Free memory was 103.0 MB in the beginning and 93.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.53 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 93.7 MB in the beginning and 181.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.89 ms. Allocated memory is still 202.4 MB. Free memory was 181.3 MB in the beginning and 169.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 300.69 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 156.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 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: [L11] int n, sum, i; [L12] n = __VERIFIER_nondet_int() [L13] COND FALSE !(!(1 <= n && n <= 1000)) [L14] sum = 0 [L15] i = 1 [L15] COND TRUE i <= n [L16] sum = sum + i [L15] i++ [L15] COND FALSE !(i <= n) [L18] CALL __VERIFIER_assert(2*sum == n*(n+1)) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...