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-invariants/const.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:54,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:54,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:54,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:54,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:54,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:54,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:54,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:54,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:54,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:54,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:54,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:54,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:54,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:54,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:54,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:54,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:54,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:47:54,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:47:54,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:47:54,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:47:54,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:47:54,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:47:54,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:47:54,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:47:54,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:54,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:54,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:54,316 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 [2019-09-20 13:47:54,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:54,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:54,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:54,338 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:54,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:54,338 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:54,339 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:54,339 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:54,340 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:54,340 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:54,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:54,341 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:54,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:54,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:54,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:54,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:54,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:54,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:54,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:54,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:54,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:54,344 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:54,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:54,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:54,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:54,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:54,346 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:54,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:54,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:54,346 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:54,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:54,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:54,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:54,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:54,416 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:54,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/const.c [2019-09-20 13:47:54,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81140002f/f173c8cddfe74ca2893d2b0219cf59c3/FLAGda36699cb [2019-09-20 13:47:54,896 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:54,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/const.c [2019-09-20 13:47:54,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81140002f/f173c8cddfe74ca2893d2b0219cf59c3/FLAGda36699cb [2019-09-20 13:47:55,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81140002f/f173c8cddfe74ca2893d2b0219cf59c3 [2019-09-20 13:47:55,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:55,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:55,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:55,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:55,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:55,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42198735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55, skipping insertion in model container [2019-09-20 13:47:55,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,337 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:55,352 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:55,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:55,507 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:55,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:55,531 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:55,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55 WrapperNode [2019-09-20 13:47:55,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:55,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:55,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:55,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:55,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:55,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:55,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:55,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:55,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (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 [2019-09-20 13:47:55,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:55,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:55,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:47:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:55,888 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:55,888 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:55,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:55 BoogieIcfgContainer [2019-09-20 13:47:55,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:55,891 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:55,891 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:55,891 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:55,892 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,950 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:56,072 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:56,228 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:56,247 INFO L272 AbstractInterpreter]: Visited 24 different actions 104 times. Merged at 8 different actions 30 times. Widened at 1 different actions 2 times. Performed 135 root evaluator evaluations with a maximum evaluation depth of 6. Performed 135 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 15 fixpoints after 4 different actions. Largest state had 5 variables. [2019-09-20 13:47:56,248 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:56,251 INFO L168 Benchmark]: Toolchain (without parser) took 929.34 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 150.0 MB in the end (delta: -65.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:56,252 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:56,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.10 ms. Allocated memory is still 137.9 MB. Free memory was 84.0 MB in the beginning and 74.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:56,254 INFO L168 Benchmark]: Boogie Preprocessor took 122.39 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.5 MB in the beginning and 175.5 MB in the end (delta: -101.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:56,255 INFO L168 Benchmark]: RCFGBuilder took 234.77 ms. Allocated memory is still 198.2 MB. Free memory was 175.5 MB in the beginning and 164.2 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:56,256 INFO L168 Benchmark]: Abstract Interpretation took 356.93 ms. Allocated memory is still 198.2 MB. Free memory was 164.2 MB in the beginning and 150.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:56,260 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 211.10 ms. Allocated memory is still 137.9 MB. Free memory was 84.0 MB in the beginning and 74.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.39 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.5 MB in the beginning and 175.5 MB in the end (delta: -101.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.77 ms. Allocated memory is still 198.2 MB. Free memory was 175.5 MB in the beginning and 164.2 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 356.93 ms. Allocated memory is still 198.2 MB. Free memory was 164.2 MB in the beginning and 150.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 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: [L10] unsigned int s = 0; [L11] COND TRUE __VERIFIER_nondet_uint() [L12] COND TRUE s != 0 [L13] ++s [L15] COND TRUE __VERIFIER_nondet_uint() [L16] CALL __VERIFIER_assert(s == 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...