/usr/bin/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/loops/nec11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:58:16,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:58:16,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:58:16,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:58:16,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:58:16,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:58:16,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:58:16,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:58:16,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:58:16,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:58:16,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:58:16,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:58:16,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:58:16,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:58:16,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:58:16,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:58:16,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:58:16,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:58:16,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:58:16,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:58:16,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:58:16,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:58:16,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:58:16,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:58:16,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:58:16,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:58:16,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:58:16,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:58:16,240 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 [2019-11-07 06:58:16,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:58:16,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:58:16,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:58:16,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:58:16,255 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:58:16,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:58:16,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:58:16,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:58:16,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:58:16,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:58:16,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:58:16,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:58:16,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:58:16,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:58:16,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:58:16,258 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:58:16,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:58:16,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:58:16,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:58:16,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:58:16,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:58:16,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:58:16,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:58:16,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:58:16,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:58:16,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:58:16,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:58:16,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:58:16,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:58:16,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:58:16,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:58:16,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:58:16,556 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:58:16,556 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:58:16,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec11.c [2019-11-07 06:58:16,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02acc05d4/64242a5d2a81405f807515221b8e1a43/FLAG27ba8ab04 [2019-11-07 06:58:17,019 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:58:17,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec11.c [2019-11-07 06:58:17,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02acc05d4/64242a5d2a81405f807515221b8e1a43/FLAG27ba8ab04 [2019-11-07 06:58:17,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02acc05d4/64242a5d2a81405f807515221b8e1a43 [2019-11-07 06:58:17,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:58:17,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:58:17,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:17,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:58:17,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:58:17,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:17" (1/1) ... [2019-11-07 06:58:17,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56069b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:17, skipping insertion in model container [2019-11-07 06:58:17,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:17" (1/1) ... [2019-11-07 06:58:17,427 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:58:17,447 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:58:17,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:17,625 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:58:17,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:17,652 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:58:17,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:17 WrapperNode [2019-11-07 06:58:17,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:17,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:58:17,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:58:17,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:58:17,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:17" (1/1) ... [2019-11-07 06:58:17,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:17" (1/1) ... [2019-11-07 06:58:17,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:17" (1/1) ... [2019-11-07 06:58:17,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:17" (1/1) ... [2019-11-07 06:58:17,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:17" (1/1) ... [2019-11-07 06:58:17,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:17" (1/1) ... [2019-11-07 06:58:17,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:17" (1/1) ... [2019-11-07 06:58:17,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:58:17,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:58:17,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:58:17,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:58:17,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:17" (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 [2019-11-07 06:58:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:58:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:58:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:58:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:58:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:58:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:58:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 06:58:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:58:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:58:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:58:17,992 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:58:17,992 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:58:17,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:17 BoogieIcfgContainer [2019-11-07 06:58:17,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:58:17,995 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:58:17,995 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:58:17,995 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:58:17,996 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:17" (1/1) ... [2019-11-07 06:58:18,025 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:58:18,117 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 06:58:18,215 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:58:18,234 INFO L272 AbstractInterpreter]: Visited 17 different actions 53 times. Merged at 4 different actions 12 times. Widened at 1 different actions 1 times. Performed 73 root evaluator evaluations with a maximum evaluation depth of 6. Performed 73 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 2 fixpoints after 2 different actions. Largest state had 7 variables. [2019-11-07 06:58:18,234 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:58:18,238 INFO L168 Benchmark]: Toolchain (without parser) took 825.40 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 160.6 MB in the end (delta: -58.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:18,239 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 06:58:18,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.43 ms. Allocated memory is still 138.9 MB. Free memory was 102.5 MB in the beginning and 92.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:18,241 INFO L168 Benchmark]: Boogie Preprocessor took 111.37 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 92.9 MB in the beginning and 180.5 MB in the end (delta: -87.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:18,242 INFO L168 Benchmark]: RCFGBuilder took 228.93 ms. Allocated memory is still 202.4 MB. Free memory was 180.5 MB in the beginning and 169.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:18,243 INFO L168 Benchmark]: Abstract Interpretation took 239.77 ms. Allocated memory is still 202.4 MB. Free memory was 169.4 MB in the beginning and 160.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:18,248 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.43 ms. Allocated memory is still 138.9 MB. Free memory was 102.5 MB in the beginning and 92.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.37 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 92.9 MB in the beginning and 180.5 MB in the end (delta: -87.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 228.93 ms. Allocated memory is still 202.4 MB. Free memory was 180.5 MB in the beginning and 169.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 239.77 ms. Allocated memory is still 202.4 MB. Free memory was 169.4 MB in the beginning and 160.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 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: [L13] int a[5]; [L14] int len=0; [L15] _Bool c=__VERIFIER_nondet_bool(); [L16] int i; [L19] COND FALSE !(\read(c)) [L28] CALL __VERIFIER_assert(len==5) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...