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-new/nested-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:48,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:48,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:48,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:48,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:48,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:48,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:48,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:48,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:48,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:48,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:48,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-09-20 13:47:48,591 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 13:47:48,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:48,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:48,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:48,607 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:48,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:48,608 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:48,608 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:48,608 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:48,608 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:48,609 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:48,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:48,610 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:48,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:48,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:48,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:48,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:48,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:48,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:48,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:48,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:48,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:48,612 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:48,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:48,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:48,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:48,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:48,613 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:48,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:48,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:48,613 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:48,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:48,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:48,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:48,659 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:48,660 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:48,660 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/nested-1.i [2019-09-20 13:47:48,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5e9b174/1c41caf952934f9ea7bffd8a437a896f/FLAG342aeab51 [2019-09-20 13:47:49,169 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:49,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/nested-1.i [2019-09-20 13:47:49,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5e9b174/1c41caf952934f9ea7bffd8a437a896f/FLAG342aeab51 [2019-09-20 13:47:49,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5e9b174/1c41caf952934f9ea7bffd8a437a896f [2019-09-20 13:47:49,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:49,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:49,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:49,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:49,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:49,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:49" (1/1) ... [2019-09-20 13:47:49,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242ad12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:49, skipping insertion in model container [2019-09-20 13:47:49,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:49" (1/1) ... [2019-09-20 13:47:49,612 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:49,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:49,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:49,925 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:49,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:49,969 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:49,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:49 WrapperNode [2019-09-20 13:47:49,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:49,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:49,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:49,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:50,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:49" (1/1) ... [2019-09-20 13:47:50,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:49" (1/1) ... [2019-09-20 13:47:50,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:49" (1/1) ... [2019-09-20 13:47:50,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:49" (1/1) ... [2019-09-20 13:47:50,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:49" (1/1) ... [2019-09-20 13:47:50,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:49" (1/1) ... [2019-09-20 13:47:50,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:49" (1/1) ... [2019-09-20 13:47:50,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:50,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:50,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:50,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:50,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:49" (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 13:47:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:50,475 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:50,476 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:47:50,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:50 BoogieIcfgContainer [2019-09-20 13:47:50,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:50,488 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:50,489 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:50,489 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:50,490 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:50" (1/1) ... [2019-09-20 13:47:50,563 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:50,797 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:50,819 INFO L272 AbstractInterpreter]: Visited 29 different actions 151 times. Merged at 10 different actions 56 times. Widened at 3 different actions 11 times. Performed 280 root evaluator evaluations with a maximum evaluation depth of 5. Performed 280 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 15 fixpoints after 5 different actions. Largest state had 11 variables. [2019-09-20 13:47:50,819 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:50,822 INFO L168 Benchmark]: Toolchain (without parser) took 1226.67 ms. Allocated memory was 129.5 MB in the beginning and 199.2 MB in the end (delta: 69.7 MB). Free memory was 85.0 MB in the beginning and 150.9 MB in the end (delta: -65.8 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:50,824 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:50,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.39 ms. Allocated memory is still 129.5 MB. Free memory was 84.6 MB in the beginning and 75.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:50,826 INFO L168 Benchmark]: Boogie Preprocessor took 177.29 ms. Allocated memory was 129.5 MB in the beginning and 199.2 MB in the end (delta: 69.7 MB). Free memory was 75.3 MB in the beginning and 175.4 MB in the end (delta: -100.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:50,827 INFO L168 Benchmark]: RCFGBuilder took 338.48 ms. Allocated memory is still 199.2 MB. Free memory was 175.4 MB in the beginning and 162.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:50,828 INFO L168 Benchmark]: Abstract Interpretation took 331.16 ms. Allocated memory is still 199.2 MB. Free memory was 162.7 MB in the beginning and 150.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:50,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 375.39 ms. Allocated memory is still 129.5 MB. Free memory was 84.6 MB in the beginning and 75.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 177.29 ms. Allocated memory was 129.5 MB in the beginning and 199.2 MB in the end (delta: 69.7 MB). Free memory was 75.3 MB in the beginning and 175.4 MB in the end (delta: -100.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 338.48 ms. Allocated memory is still 199.2 MB. Free memory was 175.4 MB in the beginning and 162.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 331.16 ms. Allocated memory is still 199.2 MB. Free memory was 162.7 MB in the beginning and 150.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 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 n = __VERIFIER_nondet_int(); [L12] int m = __VERIFIER_nondet_int(); [L13] int k = 0; [L14] int i,j; [L15] COND FALSE !(!(10 <= n && n <= 10000)) [L16] COND FALSE !(!(10 <= m && m <= 10000)) [L17] i = 0 [L17] COND TRUE i < n [L18] j = 0 [L18] COND TRUE j < m [L19] k ++ [L18] j++ [L18] COND TRUE j < m [L19] k ++ [L18] j++ [L18] COND TRUE j < m [L19] k ++ [L18] j++ [L18] COND TRUE j < m [L19] k ++ [L18] j++ [L18] COND TRUE j < m [L19] k ++ [L18] j++ [L18] COND FALSE !(j < m) [L17] i++ [L17] COND TRUE i < n [L18] j = 0 [L18] COND FALSE !(j < m) [L17] i++ [L17] COND FALSE !(i < n) [L22] CALL __VERIFIER_assert(k >= 100) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...