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-acceleration/const_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:26,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:26,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:26,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:26,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:26,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:26,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:26,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:26,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:26,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:26,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:26,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:26,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:26,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:26,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:26,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:26,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:26,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:26,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:26,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:26,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:26,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:26,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:26,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:26,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:26,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:47:26,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:47:26,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:47:26,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:47:26,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:47:26,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:47:26,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:47:26,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:47:26,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:26,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:26,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:26,263 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 13:47:26,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:26,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:26,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:26,279 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:26,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:26,280 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:26,280 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:26,281 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:26,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:26,281 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:26,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:26,282 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:26,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:26,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:26,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:26,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:26,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:26,283 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:26,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:26,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:26,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:26,284 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:26,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:26,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:26,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:26,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:26,285 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:26,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:26,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:26,286 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:26,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:26,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:26,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:26,338 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:26,338 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:26,339 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/const_1-1.c [2019-09-20 13:47:26,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce8668ae/eb425c731e34491b80c0d6b8fd4f84f5/FLAG23de7cc28 [2019-09-20 13:47:26,866 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:26,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/const_1-1.c [2019-09-20 13:47:26,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce8668ae/eb425c731e34491b80c0d6b8fd4f84f5/FLAG23de7cc28 [2019-09-20 13:47:27,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce8668ae/eb425c731e34491b80c0d6b8fd4f84f5 [2019-09-20 13:47:27,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:27,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:27,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:27,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:27,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:27,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d299e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27, skipping insertion in model container [2019-09-20 13:47:27,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,248 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:27,264 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:27,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:27,435 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:27,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:27,466 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:27,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27 WrapperNode [2019-09-20 13:47:27,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:27,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:27,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:27,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:27,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:27,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:27,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:27,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:27,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (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 13:47:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:27,786 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:27,786 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:27,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:27 BoogieIcfgContainer [2019-09-20 13:47:27,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:27,788 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:27,788 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:27,789 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:27,790 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:27,876 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:28,007 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:28,027 INFO L272 AbstractInterpreter]: Visited 19 different actions 80 times. Merged at 4 different actions 18 times. Widened at 1 different actions 3 times. Performed 96 root evaluator evaluations with a maximum evaluation depth of 7. Performed 96 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 5 fixpoints after 2 different actions. Largest state had 4 variables. [2019-09-20 13:47:28,027 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:28,031 INFO L168 Benchmark]: Toolchain (without parser) took 796.19 ms. Allocated memory was 137.9 MB in the beginning and 196.6 MB in the end (delta: 58.7 MB). Free memory was 86.1 MB in the beginning and 151.6 MB in the end (delta: -65.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:28,032 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 103.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:28,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.61 ms. Allocated memory is still 137.9 MB. Free memory was 85.7 MB in the beginning and 76.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:28,038 INFO L168 Benchmark]: Boogie Preprocessor took 109.72 ms. Allocated memory was 137.9 MB in the beginning and 196.6 MB in the end (delta: 58.7 MB). Free memory was 76.6 MB in the beginning and 174.9 MB in the end (delta: -98.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:28,041 INFO L168 Benchmark]: RCFGBuilder took 209.85 ms. Allocated memory is still 196.6 MB. Free memory was 174.0 MB in the beginning and 163.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:28,042 INFO L168 Benchmark]: Abstract Interpretation took 238.96 ms. Allocated memory is still 196.6 MB. Free memory was 163.7 MB in the beginning and 151.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:28,053 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 137.9 MB. Free memory is still 103.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.61 ms. Allocated memory is still 137.9 MB. Free memory was 85.7 MB in the beginning and 76.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.72 ms. Allocated memory was 137.9 MB in the beginning and 196.6 MB in the end (delta: 58.7 MB). Free memory was 76.6 MB in the beginning and 174.9 MB in the end (delta: -98.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.85 ms. Allocated memory is still 196.6 MB. Free memory was 174.0 MB in the beginning and 163.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 238.96 ms. Allocated memory is still 196.6 MB. Free memory was 163.7 MB in the beginning and 151.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 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] unsigned int x = 1; [L12] unsigned int y = 0; [L14] COND FALSE !(y < 1024) [L19] CALL __VERIFIER_assert(x == 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...