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/sum01_bug02_sum01_bug02_base.case.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:39:25,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:39:25,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:39:25,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:39:25,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:39:25,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:39:25,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:39:25,114 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 00:39:25,128 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:39:25,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:39:25,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:39:25,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:39:25,130 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:39:25,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:39:25,131 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:39:25,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:39:25,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:39:25,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:39:25,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:39:25,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:39:25,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:39:25,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:39:25,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:39:25,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:39:25,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:39:25,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:39:25,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:39:25,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:39:25,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:39:25,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:39:25,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:39:25,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:39:25,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:39:25,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:39:25,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:39:25,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:39:25,137 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 00:39:25,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:39:25,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:39:25,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:39:25,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:39:25,441 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:39:25,442 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i [2019-10-14 00:39:25,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3533e5a/39dd975c355d46bab2feb4821eea4c57/FLAG849616214 [2019-10-14 00:39:25,967 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:39:25,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i [2019-10-14 00:39:25,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3533e5a/39dd975c355d46bab2feb4821eea4c57/FLAG849616214 [2019-10-14 00:39:26,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3533e5a/39dd975c355d46bab2feb4821eea4c57 [2019-10-14 00:39:26,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:39:26,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:39:26,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:26,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:39:26,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:39:26,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:26" (1/1) ... [2019-10-14 00:39:26,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4621a2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:26, skipping insertion in model container [2019-10-14 00:39:26,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:26" (1/1) ... [2019-10-14 00:39:26,365 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:39:26,384 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:39:26,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:26,552 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:39:26,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:26,584 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:39:26,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:26 WrapperNode [2019-10-14 00:39:26,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:26,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:39:26,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:39:26,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:39:26,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:26" (1/1) ... [2019-10-14 00:39:26,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:26" (1/1) ... [2019-10-14 00:39:26,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:26" (1/1) ... [2019-10-14 00:39:26,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:26" (1/1) ... [2019-10-14 00:39:26,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:26" (1/1) ... [2019-10-14 00:39:26,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:26" (1/1) ... [2019-10-14 00:39:26,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:26" (1/1) ... [2019-10-14 00:39:26,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:39:26,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:39:26,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:39:26,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:39:26,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:26" (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 00:39:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:39:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:39:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 00:39:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:39:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:39:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:39:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 00:39:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:39:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:39:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:39:26,909 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:39:26,909 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:39:26,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:26 BoogieIcfgContainer [2019-10-14 00:39:26,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:39:26,911 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:39:26,912 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:39:26,912 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:39:26,913 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:26" (1/1) ... [2019-10-14 00:39:26,941 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:39:27,016 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-14 00:39:27,391 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:39:27,412 INFO L272 AbstractInterpreter]: Visited 22 different actions 119 times. Merged at 7 different actions 37 times. Widened at 1 different actions 4 times. Performed 153 root evaluator evaluations with a maximum evaluation depth of 7. Performed 153 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 11 fixpoints after 3 different actions. Largest state had 6 variables. [2019-10-14 00:39:27,412 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:39:27,416 INFO L168 Benchmark]: Toolchain (without parser) took 1066.00 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 139.3 MB in the end (delta: -37.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:27,417 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:27,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.46 ms. Allocated memory is still 137.9 MB. Free memory was 101.8 MB in the beginning and 92.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:27,419 INFO L168 Benchmark]: Boogie Preprocessor took 113.80 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 92.5 MB in the beginning and 180.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:27,420 INFO L168 Benchmark]: RCFGBuilder took 211.54 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 169.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:27,421 INFO L168 Benchmark]: Abstract Interpretation took 501.11 ms. Allocated memory is still 201.9 MB. Free memory was 169.8 MB in the beginning and 139.3 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:27,426 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.46 ms. Allocated memory is still 137.9 MB. Free memory was 101.8 MB in the beginning and 92.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.80 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 92.5 MB in the beginning and 180.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 211.54 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 169.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 501.11 ms. Allocated memory is still 201.9 MB. Free memory was 169.8 MB in the beginning and 139.3 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 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, n=__VERIFIER_nondet_uint(), sn=0; [L12] int i, n=__VERIFIER_nondet_uint(), sn=0; [L13] i=1 [L13] COND FALSE !(i<=n) [L17] CALL __VERIFIER_assert(sn==n*(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...