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-c6af20d [2019-09-03 21:26:41,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:41,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:41,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 21:26:41,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 21:26:41,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 21:26:41,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 21:26:41,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 21:26:41,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 21:26:41,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 21:26:41,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 21:26:41,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 21:26:41,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:26:41,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:26:41,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:26:41,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:26:41,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:26:41,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:26:41,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:26:41,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:26:41,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:26:41,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:26:41,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:26:41,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:26:41,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-03 21:26:41,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-03 21:26:41,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-03 21:26:41,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-03 21:26:41,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-03 21:26:41,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-03 21:26:41,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:26:41,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:26:41,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:26:41,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:26:41,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:26:41,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:26:41,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:26:41,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:26:41,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:26:41,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:26:41,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:26:41,194 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 21:26:41,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:41,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:41,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:41,211 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:41,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:41,213 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:41,213 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:41,213 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:41,214 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:41,214 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:41,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:41,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:41,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:41,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:41,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:41,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:41,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:41,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:41,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:41,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:41,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:41,218 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:41,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:41,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:41,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:41,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:41,219 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:41,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:41,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:41,220 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:41,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:41,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:41,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:41,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:41,276 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:41,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/afnp2014.i [2019-09-03 21:26:41,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6986e121/35ac3d03a3c445169900b4f4ba203ac5/FLAG018eb10f8 [2019-09-03 21:26:41,777 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:41,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/afnp2014.i [2019-09-03 21:26:41,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6986e121/35ac3d03a3c445169900b4f4ba203ac5/FLAG018eb10f8 [2019-09-03 21:26:42,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6986e121/35ac3d03a3c445169900b4f4ba203ac5 [2019-09-03 21:26:42,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:42,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:42,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:42,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:42,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:42,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:42" (1/1) ... [2019-09-03 21:26:42,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e08cfec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:42, skipping insertion in model container [2019-09-03 21:26:42,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:42" (1/1) ... [2019-09-03 21:26:42,167 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:42,183 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:42,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:42,334 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:42,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:42,363 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:42,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:42 WrapperNode [2019-09-03 21:26:42,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:42,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:42,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:42,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:42,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:42" (1/1) ... [2019-09-03 21:26:42,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:42" (1/1) ... [2019-09-03 21:26:42,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:42" (1/1) ... [2019-09-03 21:26:42,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:42" (1/1) ... [2019-09-03 21:26:42,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:42" (1/1) ... [2019-09-03 21:26:42,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:42" (1/1) ... [2019-09-03 21:26:42,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:42" (1/1) ... [2019-09-03 21:26:42,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:42,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:42,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:42,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:42,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:42" (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 21:26:42,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:42,705 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:42,706 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:42,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:42 BoogieIcfgContainer [2019-09-03 21:26:42,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:42,711 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:42,711 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:42,712 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:42,712 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:42" (1/1) ... [2019-09-03 21:26:42,767 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:43,010 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:43,031 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. [2019-09-03 21:26:43,031 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:43,035 INFO L168 Benchmark]: Toolchain (without parser) took 886.67 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 87.7 MB in the beginning and 152.2 MB in the end (delta: -64.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:43,036 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:43,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.09 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 78.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:43,038 INFO L168 Benchmark]: Boogie Preprocessor took 114.61 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 78.3 MB in the beginning and 176.2 MB in the end (delta: -97.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:43,039 INFO L168 Benchmark]: RCFGBuilder took 231.30 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 164.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:43,040 INFO L168 Benchmark]: Abstract Interpretation took 320.49 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 152.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:43,045 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 213.09 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 78.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.61 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 78.3 MB in the beginning and 176.2 MB in the end (delta: -97.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.30 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 164.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 320.49 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 152.8 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...