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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-new/gauss_sum.i.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:35:40,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:35:40,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:35:40,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-05 13:35:40,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-05 13:35:40,423 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:35:40,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:35:40,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:35:40,423 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:35:40,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:35:40,424 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:35:40,425 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:35:40,425 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:35:40,425 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:35:40,425 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:35:40,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:35:40,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:35:40,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:35:40,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:35:40,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:35:40,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:35:40,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:35:40,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:35:40,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:35:40,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:35:40,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:35:40,430 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:35:40,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:35:40,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:35:40,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:35:40,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:35:40,432 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:35:40,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:35:40,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:35:40,433 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:35:40,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:35:40,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:35:40,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:35:40,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:35:40,492 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:35:40,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.p+cfa-reducer.c [2019-09-05 13:35:40,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41bd0f5e6/b1dca85104274466925044aad73d4683/FLAGbea410e68 [2019-09-05 13:35:41,039 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:35:41,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.p+cfa-reducer.c [2019-09-05 13:35:41,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41bd0f5e6/b1dca85104274466925044aad73d4683/FLAGbea410e68 [2019-09-05 13:35:41,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41bd0f5e6/b1dca85104274466925044aad73d4683 [2019-09-05 13:35:41,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:35:41,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:35:41,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:41,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:35:41,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:35:41,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:41" (1/1) ... [2019-09-05 13:35:41,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f62019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:41, skipping insertion in model container [2019-09-05 13:35:41,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:41" (1/1) ... [2019-09-05 13:35:41,501 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:35:41,521 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:35:41,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:41,760 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:35:41,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:41,811 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:35:41,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:41 WrapperNode [2019-09-05 13:35:41,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:41,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:35:41,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:35:41,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:35:41,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:41" (1/1) ... [2019-09-05 13:35:41,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:41" (1/1) ... [2019-09-05 13:35:41,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:41" (1/1) ... [2019-09-05 13:35:41,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:41" (1/1) ... [2019-09-05 13:35:41,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:41" (1/1) ... [2019-09-05 13:35:41,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:41" (1/1) ... [2019-09-05 13:35:41,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:41" (1/1) ... [2019-09-05 13:35:41,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:35:41,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:35:41,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:35:41,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:35:41,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:41" (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 [2019-09-05 13:35:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:35:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:35:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:35:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:35:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:35:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:35:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:35:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:35:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:35:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:35:42,218 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:35:42,218 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-05 13:35:42,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:42 BoogieIcfgContainer [2019-09-05 13:35:42,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:35:42,220 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:35:42,221 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:35:42,221 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:35:42,222 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:42" (1/1) ... [2019-09-05 13:35:42,248 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:35:42,411 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:35:42,432 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. [2019-09-05 13:35:42,432 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:35:42,435 INFO L168 Benchmark]: Toolchain (without parser) took 950.71 ms. Allocated memory was 138.4 MB in the beginning and 197.1 MB in the end (delta: 58.7 MB). Free memory was 85.8 MB in the beginning and 153.1 MB in the end (delta: -67.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 13:35:42,436 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 13:35:42,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.79 ms. Allocated memory is still 138.4 MB. Free memory was 85.6 MB in the beginning and 76.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:42,440 INFO L168 Benchmark]: Boogie Preprocessor took 135.13 ms. Allocated memory was 138.4 MB in the beginning and 197.1 MB in the end (delta: 58.7 MB). Free memory was 76.2 MB in the beginning and 174.1 MB in the end (delta: -97.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:42,441 INFO L168 Benchmark]: RCFGBuilder took 271.13 ms. Allocated memory is still 197.1 MB. Free memory was 174.1 MB in the beginning and 162.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:42,442 INFO L168 Benchmark]: Abstract Interpretation took 211.68 ms. Allocated memory is still 197.1 MB. Free memory was 162.8 MB in the beginning and 153.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:42,447 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 328.79 ms. Allocated memory is still 138.4 MB. Free memory was 85.6 MB in the beginning and 76.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.13 ms. Allocated memory was 138.4 MB in the beginning and 197.1 MB in the end (delta: 58.7 MB). Free memory was 76.2 MB in the beginning and 174.1 MB in the end (delta: -97.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 271.13 ms. Allocated memory is still 197.1 MB. Free memory was 174.1 MB in the beginning and 162.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 211.68 ms. Allocated memory is still 197.1 MB. Free memory was 162.8 MB in the beginning and 153.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 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_80; [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...