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-invgen/up.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:40,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:40,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:40,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:26:40,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:26:40,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:26:40,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:26:40,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:26:40,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:26:40,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:26:40,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:26:40,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:26:40,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:26:40,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:26:40,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:26:40,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:26:40,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:26:40,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:26:40,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:26:40,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:26:40,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:26:40,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:26:40,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:26:40,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:26:40,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:26:40,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:26:40,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:26:40,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:26:40,236 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 [2019-09-03 21:26:40,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:40,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:40,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:40,263 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:40,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:40,264 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:40,264 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:40,264 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:40,265 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:40,265 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:40,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:40,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:40,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:40,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:40,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:40,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:40,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:40,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:40,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:40,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:40,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:40,269 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:40,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:40,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:40,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:40,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:40,273 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:40,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:40,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:40,274 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:40,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:40,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:40,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:40,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:40,328 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:40,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/up.i [2019-09-03 21:26:40,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2fe12e13/f2110f13795e4dc58b5149a031faa518/FLAG06172319e [2019-09-03 21:26:40,823 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:40,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/up.i [2019-09-03 21:26:40,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2fe12e13/f2110f13795e4dc58b5149a031faa518/FLAG06172319e [2019-09-03 21:26:41,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2fe12e13/f2110f13795e4dc58b5149a031faa518 [2019-09-03 21:26:41,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:41,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:41,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:41,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:41,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:41,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:41" (1/1) ... [2019-09-03 21:26:41,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e5fcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:41, skipping insertion in model container [2019-09-03 21:26:41,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:41" (1/1) ... [2019-09-03 21:26:41,236 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:41,254 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:41,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:41,435 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:41,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:41,468 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:41,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:41 WrapperNode [2019-09-03 21:26:41,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:41,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:41,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:41,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:41,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:41" (1/1) ... [2019-09-03 21:26:41,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:41" (1/1) ... [2019-09-03 21:26:41,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:41" (1/1) ... [2019-09-03 21:26:41,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:41" (1/1) ... [2019-09-03 21:26:41,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:41" (1/1) ... [2019-09-03 21:26:41,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:41" (1/1) ... [2019-09-03 21:26:41,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:41" (1/1) ... [2019-09-03 21:26:41,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:41,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:41,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:41,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:41,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:41" (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 [2019-09-03 21:26:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:41,865 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:41,866 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 21:26:41,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:41 BoogieIcfgContainer [2019-09-03 21:26:41,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:41,868 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:41,868 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:41,868 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:41,869 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:41" (1/1) ... [2019-09-03 21:26:41,905 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:42,179 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:42,201 INFO L272 AbstractInterpreter]: Visited 24 different actions 125 times. Merged at 8 different actions 37 times. Widened at 3 different actions 6 times. Performed 189 root evaluator evaluations with a maximum evaluation depth of 6. Performed 189 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 12 fixpoints after 4 different actions. Largest state had 10 variables. [2019-09-03 21:26:42,201 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:42,205 INFO L168 Benchmark]: Toolchain (without parser) took 985.49 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.4 MB in the beginning and 152.1 MB in the end (delta: -66.7 MB). Peak memory consumption was 927.9 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:42,206 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 131.1 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:42,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.44 ms. Allocated memory is still 131.1 MB. Free memory was 85.2 MB in the beginning and 75.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:42,208 INFO L168 Benchmark]: Boogie Preprocessor took 124.27 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 75.9 MB in the beginning and 175.1 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:42,209 INFO L168 Benchmark]: RCFGBuilder took 268.08 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 163.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:42,210 INFO L168 Benchmark]: Abstract Interpretation took 333.45 ms. Allocated memory is still 198.7 MB. Free memory was 163.3 MB in the beginning and 152.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:42,215 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 131.1 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.44 ms. Allocated memory is still 131.1 MB. Free memory was 85.2 MB in the beginning and 75.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.27 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 75.9 MB in the beginning and 175.1 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 268.08 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 163.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 333.45 ms. Allocated memory is still 198.7 MB. Free memory was 163.3 MB in the beginning and 152.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 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; [L12] int i = 0; [L13] int k = 0; [L14] n = __VERIFIER_nondet_int() [L15] COND TRUE i < n [L16] i++ [L17] k++ [L15] COND FALSE !(i < n) [L19] int j = 0; [L20] COND TRUE j < n [L21] CALL __VERIFIER_assert (k > 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...