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-lit/afnp2014.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:27:48,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:27:48,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:27:48,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:27:48,690 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 [2019-09-16 17:27:48,716 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:27:48,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:27:48,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:27:48,718 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:27:48,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:27:48,718 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:27:48,719 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:27:48,719 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:27:48,719 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:27:48,719 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:27:48,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:27:48,722 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:27:48,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:27:48,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:27:48,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:27:48,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:27:48,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:27:48,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:27:48,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:27:48,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:27:48,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:27:48,724 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:27:48,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:27:48,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:27:48,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:27:48,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:27:48,725 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:27:48,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:27:48,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:27:48,726 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:27:48,775 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:27:48,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:27:48,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:27:48,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:27:48,791 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:27:48,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/afnp2014.i [2019-09-16 17:27:48,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c273f3209/caacc36d2c7e4655a9177cfb3bd5092e/FLAG3b10777ac [2019-09-16 17:27:49,252 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:27:49,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/afnp2014.i [2019-09-16 17:27:49,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c273f3209/caacc36d2c7e4655a9177cfb3bd5092e/FLAG3b10777ac [2019-09-16 17:27:49,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c273f3209/caacc36d2c7e4655a9177cfb3bd5092e [2019-09-16 17:27:49,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:27:49,687 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:27:49,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:49,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:27:49,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:27:49,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7884b47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49, skipping insertion in model container [2019-09-16 17:27:49,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,704 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:27:49,724 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:27:49,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:49,903 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:27:49,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:49,927 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:27:49,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49 WrapperNode [2019-09-16 17:27:49,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:49,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:27:49,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:27:49,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:27:50,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:50,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:50,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:50,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:50,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:50,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:50,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:50,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:27:50,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:27:50,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:27:50,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:27:50,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (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 [2019-09-16 17:27:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:27:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:27:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:27:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:27:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:27:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:27:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:27:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:27:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:27:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:27:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:27:50,285 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:27:50,286 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:27:50,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:50 BoogieIcfgContainer [2019-09-16 17:27:50,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:27:50,291 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:27:50,291 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:27:50,292 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:27:50,293 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:50" (1/1) ... [2019-09-16 17:27:50,367 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:27:50,621 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:27:50,640 INFO L272 AbstractInterpreter]: Visited 23 different actions 163 times. Merged at 8 different actions 58 times. Widened at 1 different actions 3 times. Performed 249 root evaluator evaluations with a maximum evaluation depth of 5. Performed 249 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 21 fixpoints after 5 different actions. Largest state had 5 variables. [2019-09-16 17:27:50,640 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:27:50,643 INFO L168 Benchmark]: Toolchain (without parser) took 955.44 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 84.4 MB in the beginning and 153.3 MB in the end (delta: -68.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:27:50,645 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 102.5 MB in the beginning and 102.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:27:50,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.87 ms. Allocated memory is still 137.9 MB. Free memory was 84.0 MB in the beginning and 74.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:50,648 INFO L168 Benchmark]: Boogie Preprocessor took 122.65 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 74.9 MB in the beginning and 176.6 MB in the end (delta: -101.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:50,652 INFO L168 Benchmark]: RCFGBuilder took 239.32 ms. Allocated memory is still 198.7 MB. Free memory was 176.6 MB in the beginning and 165.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:50,653 INFO L168 Benchmark]: Abstract Interpretation took 349.27 ms. Allocated memory is still 198.7 MB. Free memory was 165.0 MB in the beginning and 153.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:50,660 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 was 102.5 MB in the beginning and 102.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.87 ms. Allocated memory is still 137.9 MB. Free memory was 84.0 MB in the beginning and 74.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.65 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 74.9 MB in the beginning and 176.6 MB in the end (delta: -101.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.32 ms. Allocated memory is still 198.7 MB. Free memory was 176.6 MB in the beginning and 165.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 349.27 ms. Allocated memory is still 198.7 MB. Free memory was 165.0 MB in the beginning and 153.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 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 x = 1; [L12] int y = 0; [L13] y < 1000 && __VERIFIER_nondet_int() [L13] y < 1000 && __VERIFIER_nondet_int() [L13] COND FALSE !(y < 1000 && __VERIFIER_nondet_int()) [L17] CALL __VERIFIER_assert(x >= y) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...