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/nested6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:12,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:12,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:12,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:12,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:12,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:12,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:12,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:12,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:12,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:12,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:12,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:12,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:12,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:12,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:12,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:12,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:12,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:12,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:12,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:12,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:12,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:12,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:12,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:12,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:12,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:12,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:12,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:12,484 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 04:44:12,503 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:12,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:12,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:12,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:12,507 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:12,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:12,507 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:12,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:12,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:12,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:12,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:12,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:12,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:12,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:12,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:12,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:12,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:12,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:12,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:12,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:12,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:12,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:12,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:12,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:12,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:12,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:12,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:12,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:12,513 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 04:44:12,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:12,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:12,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:12,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:12,813 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:12,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6.i [2019-10-15 04:44:12,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc40ba67/2aa0ab8fad3a486d896adc4ae1a3d960/FLAGd73a563cd [2019-10-15 04:44:13,358 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:13,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6.i [2019-10-15 04:44:13,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc40ba67/2aa0ab8fad3a486d896adc4ae1a3d960/FLAGd73a563cd [2019-10-15 04:44:13,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc40ba67/2aa0ab8fad3a486d896adc4ae1a3d960 [2019-10-15 04:44:13,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:13,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:13,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:13,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:13,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:13,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:13" (1/1) ... [2019-10-15 04:44:13,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caf694c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:13, skipping insertion in model container [2019-10-15 04:44:13,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:13" (1/1) ... [2019-10-15 04:44:13,804 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:13,831 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:14,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:14,034 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:14,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:14,062 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:14,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:14 WrapperNode [2019-10-15 04:44:14,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:14,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:14,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:14,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:14,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:14" (1/1) ... [2019-10-15 04:44:14,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:14" (1/1) ... [2019-10-15 04:44:14,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:14" (1/1) ... [2019-10-15 04:44:14,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:14" (1/1) ... [2019-10-15 04:44:14,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:14" (1/1) ... [2019-10-15 04:44:14,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:14" (1/1) ... [2019-10-15 04:44:14,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:14" (1/1) ... [2019-10-15 04:44:14,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:14,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:14,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:14,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:14,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:14" (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 04:44:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:14,471 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:14,471 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 04:44:14,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:14 BoogieIcfgContainer [2019-10-15 04:44:14,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:14,473 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:14,473 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:14,474 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:14,475 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:14" (1/1) ... [2019-10-15 04:44:14,525 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:14,894 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:14,924 INFO L272 AbstractInterpreter]: Visited 40 different actions 270 times. Merged at 16 different actions 65 times. Widened at 5 different actions 7 times. Performed 390 root evaluator evaluations with a maximum evaluation depth of 5. Performed 390 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 27 fixpoints after 10 different actions. Largest state had 11 variables. [2019-10-15 04:44:14,924 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:14,927 INFO L168 Benchmark]: Toolchain (without parser) took 1156.39 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 146.7 MB in the end (delta: -44.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:14,928 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:14,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.19 ms. Allocated memory is still 137.4 MB. Free memory was 102.4 MB in the beginning and 92.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:14,931 INFO L168 Benchmark]: Boogie Preprocessor took 123.36 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 92.5 MB in the beginning and 179.4 MB in the end (delta: -86.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:14,932 INFO L168 Benchmark]: RCFGBuilder took 285.49 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 166.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:14,933 INFO L168 Benchmark]: Abstract Interpretation took 450.95 ms. Allocated memory is still 201.3 MB. Free memory was 166.5 MB in the beginning and 146.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:14,938 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 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 292.19 ms. Allocated memory is still 137.4 MB. Free memory was 102.4 MB in the beginning and 92.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.36 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 92.5 MB in the beginning and 179.4 MB in the end (delta: -86.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 285.49 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 166.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 450.95 ms. Allocated memory is still 201.3 MB. Free memory was 166.5 MB in the beginning and 146.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 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 i,j,k,n; [L12] k = __VERIFIER_nondet_int() [L13] n = __VERIFIER_nondet_int() [L14] COND FALSE !(!(n < 1000000)) [L15] COND TRUE k == n [L19] i=0 [L19] COND TRUE i= n ) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...