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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-invgen/heapsort.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:09,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:09,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:09,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:09,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:09,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:09,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:09,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:09,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:09,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:10,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:10,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:10,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:10,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:10,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:10,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:10,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:10,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:10,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:10,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:10,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:10,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:10,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:10,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:10,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:10,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:10,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:10,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:10,024 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 04:44:10,037 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:10,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:10,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:10,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:10,039 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:10,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:10,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:10,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:10,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:10,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:10,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:10,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:10,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:10,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:10,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:10,041 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:10,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:10,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:10,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:10,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:10,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:10,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:10,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:10,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:10,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:10,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:10,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:10,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:10,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:10,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:10,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:10,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:10,327 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:10,328 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:10,328 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/heapsort.i [2019-10-15 04:44:10,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802d4446d/d32777fa76974966bc207895c0fa3364/FLAG5b9484c20 [2019-10-15 04:44:10,845 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:10,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/heapsort.i [2019-10-15 04:44:10,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802d4446d/d32777fa76974966bc207895c0fa3364/FLAG5b9484c20 [2019-10-15 04:44:11,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802d4446d/d32777fa76974966bc207895c0fa3364 [2019-10-15 04:44:11,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:11,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:11,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:11,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:11,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:11,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:11" (1/1) ... [2019-10-15 04:44:11,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b22563b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:11, skipping insertion in model container [2019-10-15 04:44:11,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:11" (1/1) ... [2019-10-15 04:44:11,262 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:11,280 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:11,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:11,455 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:11,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:11,491 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:11,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:11 WrapperNode [2019-10-15 04:44:11,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:11,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:11,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:11,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:11,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:11" (1/1) ... [2019-10-15 04:44:11,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:11" (1/1) ... [2019-10-15 04:44:11,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:11" (1/1) ... [2019-10-15 04:44:11,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:11" (1/1) ... [2019-10-15 04:44:11,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:11" (1/1) ... [2019-10-15 04:44:11,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:11" (1/1) ... [2019-10-15 04:44:11,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:11" (1/1) ... [2019-10-15 04:44:11,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:11,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:11,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:11,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:11,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:11" (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 [2019-10-15 04:44:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:11,915 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:11,915 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 04:44:11,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:11 BoogieIcfgContainer [2019-10-15 04:44:11,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:11,918 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:11,918 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:11,918 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:11,919 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:11" (1/1) ... [2019-10-15 04:44:11,949 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:12,032 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-15 04:44:12,314 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:12,334 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. [2019-10-15 04:44:12,335 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:12,338 INFO L168 Benchmark]: Toolchain (without parser) took 1089.63 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 99.1 MB in the beginning and 136.7 MB in the end (delta: -37.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:12,339 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 135.3 MB. Free memory was 117.3 MB in the beginning and 117.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:12,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.08 ms. Allocated memory is still 135.3 MB. Free memory was 98.9 MB in the beginning and 88.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:12,341 INFO L168 Benchmark]: Boogie Preprocessor took 108.51 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 88.9 MB in the beginning and 177.3 MB in the end (delta: -88.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:12,342 INFO L168 Benchmark]: RCFGBuilder took 315.68 ms. Allocated memory is still 198.7 MB. Free memory was 177.3 MB in the beginning and 161.1 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:12,343 INFO L168 Benchmark]: Abstract Interpretation took 417.46 ms. Allocated memory is still 198.7 MB. Free memory was 161.1 MB in the beginning and 136.7 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:12,348 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 135.3 MB. Free memory was 117.3 MB in the beginning and 117.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 244.08 ms. Allocated memory is still 135.3 MB. Free memory was 98.9 MB in the beginning and 88.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.51 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 88.9 MB in the beginning and 177.3 MB in the end (delta: -88.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 315.68 ms. Allocated memory is still 198.7 MB. Free memory was 177.3 MB in the beginning and 161.1 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 417.46 ms. Allocated memory is still 198.7 MB. Free memory was 161.1 MB in the beginning and 136.7 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 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...