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.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:39:13,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:39:13,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:39:13,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:39:13,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:39:13,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:39:13,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:39:13,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:39:13,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:39:13,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:39:13,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:39:13,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:39:13,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:39:13,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:39:13,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:39:13,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:39:13,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:39:13,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:39:13,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:39:13,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:39:13,564 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 00:39:13,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:39:13,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:39:13,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:39:13,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:39:13,580 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:39:13,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:39:13,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:39:13,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:39:13,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:39:13,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:39:13,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:39:13,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:39:13,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:39:13,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:39:13,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:39:13,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:39:13,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:39:13,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:39:13,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:39:13,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:39:13,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:39:13,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:39:13,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:39:13,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:39:13,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:39:13,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:39:13,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:39:13,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:39:13,585 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 00:39:13,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:39:13,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:39:13,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:39:13,890 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:39:13,891 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:39:13,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2019-10-14 00:39:13,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14cb9e449/c337012983c44b1eb60877a033aa57b2/FLAGe939c8fe7 [2019-10-14 00:39:14,432 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:39:14,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2019-10-14 00:39:14,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14cb9e449/c337012983c44b1eb60877a033aa57b2/FLAGe939c8fe7 [2019-10-14 00:39:14,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14cb9e449/c337012983c44b1eb60877a033aa57b2 [2019-10-14 00:39:14,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:39:14,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:39:14,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:14,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:39:14,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:39:14,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528b56ea 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 00:39:14,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:14" (1/1) ... [2019-10-14 00:39:14,876 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:39:14,894 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:39:15,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:15,115 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:39:15,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:15,150 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:39:15,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15 WrapperNode [2019-10-14 00:39:15,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:15,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:39:15,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:39:15,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:39:15,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:39:15,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:39:15,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:39:15,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:39:15,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:15" (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 00:39:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:39:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:39:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:39:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:39:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:39:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:39:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:39:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:39:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:39:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:39:15,559 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:39:15,559 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:39:15,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:15 BoogieIcfgContainer [2019-10-14 00:39:15,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:39:15,563 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:39:15,563 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:39:15,563 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:39:15,564 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:15" (1/1) ... [2019-10-14 00:39:15,636 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:39:15,849 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:39:15,869 INFO L272 AbstractInterpreter]: Visited 19 different actions 55 times. Merged at 7 different actions 25 times. Widened at 1 different actions 3 times. Performed 141 root evaluator evaluations with a maximum evaluation depth of 6. Performed 141 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 8 fixpoints after 3 different actions. Largest state had 11 variables. [2019-10-14 00:39:15,870 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:39:15,875 INFO L168 Benchmark]: Toolchain (without parser) took 1014.68 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 104.2 MB in the beginning and 161.6 MB in the end (delta: -57.3 MB). Peak memory consumption was 869.3 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,876 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 00:39:15,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.00 ms. Allocated memory is still 146.3 MB. Free memory was 104.2 MB in the beginning and 94.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,881 INFO L168 Benchmark]: Boogie Preprocessor took 157.49 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 94.2 MB in the beginning and 181.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,882 INFO L168 Benchmark]: RCFGBuilder took 251.48 ms. Allocated memory is still 204.5 MB. Free memory was 181.9 MB in the beginning and 171.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,884 INFO L168 Benchmark]: Abstract Interpretation took 307.20 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 161.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:15,891 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 146.3 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.00 ms. Allocated memory is still 146.3 MB. Free memory was 104.2 MB in the beginning and 94.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.49 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 94.2 MB in the beginning and 181.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 251.48 ms. Allocated memory is still 204.5 MB. Free memory was 181.9 MB in the beginning and 171.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 307.20 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 161.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 44]: 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: [L1] int __return_main; [L7] int __return_60; [L10] int main__n; [L11] int main__sum; [L12] int main__i; [L13] main__n = __VERIFIER_nondet_int() [L14] COND FALSE !(!(1 <= main__n)) [L20] COND FALSE !(!(main__n <= 1000)) [L26] main__sum = 0 [L27] main__i = 1 [L29] COND TRUE main__i <= main__n [L31] main__sum = main__sum + main__i [L32] main__i = main__i + 1 [L29] COND FALSE !(main__i <= main__n) [L38] int __tmp_1; [L39] __tmp_1 = (2 * main__sum) == (main__n * (main__n + 1)) [L40] int __VERIFIER_assert__cond; [L41] __VERIFIER_assert__cond = __tmp_1 [L42] COND TRUE __VERIFIER_assert__cond == 0 [L44] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...