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/heapsort.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:32,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:32,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:32,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:26:32,157 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 21:26:32,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:32,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:32,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:32,176 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:32,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:32,177 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:32,177 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:32,177 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:32,178 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:32,178 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:32,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:32,179 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:32,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:32,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:32,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:32,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:32,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:32,180 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:32,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:32,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:32,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:32,181 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:32,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:32,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:32,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:32,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:32,183 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:32,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:32,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:32,184 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:32,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:32,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:32,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:32,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:32,243 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:32,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/heapsort.i [2019-09-03 21:26:32,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02013b3bb/ecd883a40e3049f4817dc5694ddd72ca/FLAGa0b7025fb [2019-09-03 21:26:32,798 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:32,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/heapsort.i [2019-09-03 21:26:32,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02013b3bb/ecd883a40e3049f4817dc5694ddd72ca/FLAGa0b7025fb [2019-09-03 21:26:33,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02013b3bb/ecd883a40e3049f4817dc5694ddd72ca [2019-09-03 21:26:33,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:33,146 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:33,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:33,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:33,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:33,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:33" (1/1) ... [2019-09-03 21:26:33,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fd4f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:33, skipping insertion in model container [2019-09-03 21:26:33,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:33" (1/1) ... [2019-09-03 21:26:33,163 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:33,181 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:33,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:33,361 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:33,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:33,393 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:33,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:33 WrapperNode [2019-09-03 21:26:33,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:33,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:33,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:33,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:33,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:33" (1/1) ... [2019-09-03 21:26:33,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:33" (1/1) ... [2019-09-03 21:26:33,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:33" (1/1) ... [2019-09-03 21:26:33,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:33" (1/1) ... [2019-09-03 21:26:33,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:33" (1/1) ... [2019-09-03 21:26:33,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:33" (1/1) ... [2019-09-03 21:26:33,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:33" (1/1) ... [2019-09-03 21:26:33,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:33,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:33,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:33,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:33,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:33" (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 21:26:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:33,874 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:33,875 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 21:26:33,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:33 BoogieIcfgContainer [2019-09-03 21:26:33,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:33,881 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:33,881 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:33,882 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:33,886 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:33" (1/1) ... [2019-09-03 21:26:33,939 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:34,031 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:26:34,326 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:34,351 INFO L272 AbstractInterpreter]: Visited 66 different actions 314 times. Merged at 29 different actions 35 times. Never widened. Performed 341 root evaluator evaluations with a maximum evaluation depth of 8. Performed 341 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 15 fixpoints after 9 different actions. Largest state had 19 variables. [2019-09-03 21:26:34,351 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:34,356 INFO L168 Benchmark]: Toolchain (without parser) took 1207.42 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 89.3 MB in the beginning and 138.2 MB in the end (delta: -48.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:34,357 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:34,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.01 ms. Allocated memory is still 141.6 MB. Free memory was 89.1 MB in the beginning and 79.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:34,362 INFO L168 Benchmark]: Boogie Preprocessor took 146.59 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 79.3 MB in the beginning and 178.0 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:34,365 INFO L168 Benchmark]: RCFGBuilder took 339.17 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 161.9 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:34,366 INFO L168 Benchmark]: Abstract Interpretation took 470.31 ms. Allocated memory is still 200.3 MB. Free memory was 161.9 MB in the beginning and 138.2 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:34,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.01 ms. Allocated memory is still 141.6 MB. Free memory was 89.1 MB in the beginning and 79.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.59 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 79.3 MB in the beginning and 178.0 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 339.17 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 161.9 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 470.31 ms. Allocated memory is still 200.3 MB. Free memory was 161.9 MB in the beginning and 138.2 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 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,l,r,i,j; [L12] n = __VERIFIER_nondet_int() [L13] COND FALSE !(!(1 <= n && n <= 1000000)) [L14] l = n/2 + 1 [L15] r = n [L16] COND TRUE l>1 [L17] l-- [L21] COND TRUE r > 1 [L22] i = l [L23] j = 2*l [L24] COND FALSE !(j <= r) [L45] COND TRUE l > 1 [L46] CALL __VERIFIER_assert(1 <= l) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...