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 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:13:28,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:13:28,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:13:28,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:13:28,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:13:28,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:13:28,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:13:28,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:13:28,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:13:28,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:13:28,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:13:28,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:13:28,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:13:28,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:13:28,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:13:28,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:13:28,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:13:28,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:13:28,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:13:28,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:13:28,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:13:28,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:13:28,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:13:28,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:13:28,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:13:28,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:13:28,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:13:28,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:13:28,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:13:28,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:13:28,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:13:28,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:13:28,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:13:28,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:13:28,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:13:28,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:13:28,469 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 [2019-09-11 16:13:28,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:13:28,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:13:28,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:13:28,485 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:13:28,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:13:28,486 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:13:28,486 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:13:28,486 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:13:28,486 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:13:28,487 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:13:28,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:13:28,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:13:28,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:13:28,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:13:28,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:13:28,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:13:28,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:13:28,489 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:13:28,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:13:28,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:13:28,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:13:28,490 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:13:28,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:13:28,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:13:28,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:13:28,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:13:28,491 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:13:28,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:13:28,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:13:28,491 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:13:28,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:13:28,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:13:28,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:13:28,539 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:13:28,540 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:13:28,540 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i [2019-09-11 16:13:28,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42871cbb5/3b1e1be655914b1784d6d6139103309d/FLAGb4e0a105d [2019-09-11 16:13:28,983 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:13:28,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i [2019-09-11 16:13:28,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42871cbb5/3b1e1be655914b1784d6d6139103309d/FLAGb4e0a105d [2019-09-11 16:13:29,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42871cbb5/3b1e1be655914b1784d6d6139103309d [2019-09-11 16:13:29,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:13:29,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:13:29,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:29,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:13:29,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:13:29,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:29" (1/1) ... [2019-09-11 16:13:29,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f537545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:29, skipping insertion in model container [2019-09-11 16:13:29,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:29" (1/1) ... [2019-09-11 16:13:29,416 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:13:29,434 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:13:29,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:29,640 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:13:29,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:29,680 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:13:29,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:29 WrapperNode [2019-09-11 16:13:29,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:29,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:13:29,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:13:29,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:13:29,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:29" (1/1) ... [2019-09-11 16:13:29,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:29" (1/1) ... [2019-09-11 16:13:29,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:29" (1/1) ... [2019-09-11 16:13:29,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:29" (1/1) ... [2019-09-11 16:13:29,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:29" (1/1) ... [2019-09-11 16:13:29,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:29" (1/1) ... [2019-09-11 16:13:29,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:29" (1/1) ... [2019-09-11 16:13:29,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:13:29,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:13:29,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:13:29,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:13:29,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:29" (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 [2019-09-11 16:13:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:13:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:13:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:13:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:13:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:13:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:13:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:13:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:13:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:13:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:13:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:13:30,142 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:13:30,142 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:13:30,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:30 BoogieIcfgContainer [2019-09-11 16:13:30,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:13:30,144 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:13:30,144 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:13:30,145 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:13:30,146 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:30" (1/1) ... [2019-09-11 16:13:30,187 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:13:30,481 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:13:30,502 INFO L272 AbstractInterpreter]: Visited 23 different actions 81 times. Merged at 6 different actions 20 times. Widened at 1 different actions 3 times. Performed 101 root evaluator evaluations with a maximum evaluation depth of 7. Performed 101 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 6 fixpoints after 3 different actions. Largest state had 6 variables. [2019-09-11 16:13:30,503 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:13:30,506 INFO L168 Benchmark]: Toolchain (without parser) took 1106.58 ms. Allocated memory was 149.4 MB in the beginning and 206.6 MB in the end (delta: 57.1 MB). Free memory was 97.1 MB in the beginning and 159.7 MB in the end (delta: -62.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:13:30,507 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 149.4 MB. Free memory was 115.8 MB in the beginning and 115.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:13:30,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.68 ms. Allocated memory is still 149.4 MB. Free memory was 96.9 MB in the beginning and 87.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:30,510 INFO L168 Benchmark]: Boogie Preprocessor took 144.85 ms. Allocated memory was 149.4 MB in the beginning and 206.6 MB in the end (delta: 57.1 MB). Free memory was 87.7 MB in the beginning and 184.7 MB in the end (delta: -97.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:30,511 INFO L168 Benchmark]: RCFGBuilder took 316.58 ms. Allocated memory is still 206.6 MB. Free memory was 184.7 MB in the beginning and 173.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:30,517 INFO L168 Benchmark]: Abstract Interpretation took 358.48 ms. Allocated memory is still 206.6 MB. Free memory was 173.7 MB in the beginning and 159.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:30,526 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 149.4 MB. Free memory was 115.8 MB in the beginning and 115.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.68 ms. Allocated memory is still 149.4 MB. Free memory was 96.9 MB in the beginning and 87.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.85 ms. Allocated memory was 149.4 MB in the beginning and 206.6 MB in the end (delta: 57.1 MB). Free memory was 87.7 MB in the beginning and 184.7 MB in the end (delta: -97.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 316.58 ms. Allocated memory is still 206.6 MB. Free memory was 184.7 MB in the beginning and 173.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 358.48 ms. Allocated memory is still 206.6 MB. Free memory was 173.7 MB in the beginning and 159.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 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: [L11] int n, sum, i; [L12] n = __VERIFIER_nondet_int() [L13] COND FALSE !(!(1 <= n && n <= 1000)) [L14] sum = 0 [L15] i = 1 [L15] COND TRUE i <= n [L16] sum = sum + i [L15] i++ [L15] COND FALSE !(i <= n) [L18] CALL __VERIFIER_assert(2*sum == n*(n+1)) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...