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 0.1.24-13a467a-m [2019-10-15 04:44:24,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:24,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:24,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:24,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:24,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:24,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:24,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:24,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:24,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:24,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:24,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:24,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:24,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:24,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:24,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:24,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:24,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:24,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:24,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:24,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:24,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:24,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:24,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:24,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:24,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:44:24,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:44:24,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:44:24,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:44:24,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:44:24,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:44:24,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:44:24,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:44:24,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:24,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:24,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:24,346 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 [2019-10-15 04:44:24,380 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:24,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:24,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:24,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:24,385 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:24,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:24,385 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:24,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:24,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:24,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:24,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:24,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:24,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:24,392 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:24,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:24,392 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:24,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:24,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:24,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:24,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:24,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:24,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:24,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:24,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:24,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:24,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:24,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:24,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:24,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:24,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:24,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:24,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:24,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:24,702 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:24,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2019-10-15 04:44:24,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed41447b7/e2f5bb6e7cbe4a298e0f25b807aa66a5/FLAG0d149a9b0 [2019-10-15 04:44:25,226 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:25,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2019-10-15 04:44:25,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed41447b7/e2f5bb6e7cbe4a298e0f25b807aa66a5/FLAG0d149a9b0 [2019-10-15 04:44:25,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed41447b7/e2f5bb6e7cbe4a298e0f25b807aa66a5 [2019-10-15 04:44:25,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:25,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:25,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:25,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:25,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:25,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:25,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371dfc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:25, skipping insertion in model container [2019-10-15 04:44:25,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:25,633 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:25,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:25,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:25,835 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:25,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:25,870 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:25,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:25 WrapperNode [2019-10-15 04:44:25,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:25,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:25,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:25,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:25,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:25,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:25,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:25,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:25,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:25,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:25,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:25,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:25,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:25,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:25,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:25,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:25" (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 [2019-10-15 04:44:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:26,208 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:26,208 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 04:44:26,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:26 BoogieIcfgContainer [2019-10-15 04:44:26,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:26,210 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:26,211 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:26,211 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:26,212 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:26" (1/1) ... [2019-10-15 04:44:26,246 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:26,427 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:26,448 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. [2019-10-15 04:44:26,448 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:26,451 INFO L168 Benchmark]: Toolchain (without parser) took 833.71 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.6 MB in the beginning and 159.9 MB in the end (delta: -56.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:26,453 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.8 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:26,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.42 ms. Allocated memory is still 140.0 MB. Free memory was 103.2 MB in the beginning and 93.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:26,456 INFO L168 Benchmark]: Boogie Preprocessor took 102.47 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 93.8 MB in the beginning and 181.8 MB in the end (delta: -87.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:26,460 INFO L168 Benchmark]: RCFGBuilder took 236.12 ms. Allocated memory is still 202.4 MB. Free memory was 181.8 MB in the beginning and 170.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:26,462 INFO L168 Benchmark]: Abstract Interpretation took 237.78 ms. Allocated memory is still 202.4 MB. Free memory was 169.4 MB in the beginning and 159.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:26,466 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 140.0 MB. Free memory was 121.8 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.42 ms. Allocated memory is still 140.0 MB. Free memory was 103.2 MB in the beginning and 93.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.47 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 93.8 MB in the beginning and 181.8 MB in the end (delta: -87.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.12 ms. Allocated memory is still 202.4 MB. Free memory was 181.8 MB in the beginning and 170.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 237.78 ms. Allocated memory is still 202.4 MB. Free memory was 169.4 MB in the beginning and 159.9 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...