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-acceleration/array_2-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:38:38,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:38:38,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:38:38,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:38:38,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:38:38,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:38:38,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:38:38,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:38:38,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:38:38,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:38:38,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:38:38,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:38:38,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:38:38,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:38:38,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:38:38,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:38:38,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:38:38,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:38:38,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:38:38,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:38:38,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:38:38,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:38:38,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:38:38,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:38:38,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:38:38,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:38:38,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:38:38,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:38:38,377 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 [2019-10-14 00:38:38,392 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:38:38,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:38:38,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:38:38,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:38:38,394 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:38:38,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:38:38,395 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:38:38,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:38:38,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:38:38,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:38:38,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:38:38,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:38:38,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:38:38,396 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:38:38,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:38:38,397 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:38:38,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:38:38,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:38:38,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:38:38,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:38:38,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:38:38,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:38:38,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:38:38,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:38:38,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:38:38,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:38:38,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:38:38,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:38:38,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:38:38,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:38:38,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:38:38,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:38:38,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:38:38,702 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:38:38,703 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_2-2.i [2019-10-14 00:38:38,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba891feb/0ee02ad12bf64bcca368c2b38d7bd5ce/FLAGbf1b5fa8e [2019-10-14 00:38:39,257 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:38:39,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_2-2.i [2019-10-14 00:38:39,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba891feb/0ee02ad12bf64bcca368c2b38d7bd5ce/FLAGbf1b5fa8e [2019-10-14 00:38:39,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba891feb/0ee02ad12bf64bcca368c2b38d7bd5ce [2019-10-14 00:38:39,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:38:39,620 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:38:39,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:39,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:38:39,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:38:39,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:39" (1/1) ... [2019-10-14 00:38:39,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128bbf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:39, skipping insertion in model container [2019-10-14 00:38:39,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:39" (1/1) ... [2019-10-14 00:38:39,637 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:38:39,657 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:38:39,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:39,847 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:38:39,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:39,902 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:38:39,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:39 WrapperNode [2019-10-14 00:38:39,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:39,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:38:39,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:38:39,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:38:39,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:39" (1/1) ... [2019-10-14 00:38:39,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:39" (1/1) ... [2019-10-14 00:38:40,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:39" (1/1) ... [2019-10-14 00:38:40,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:39" (1/1) ... [2019-10-14 00:38:40,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:39" (1/1) ... [2019-10-14 00:38:40,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:39" (1/1) ... [2019-10-14 00:38:40,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:39" (1/1) ... [2019-10-14 00:38:40,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:38:40,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:38:40,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:38:40,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:38:40,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:39" (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 [2019-10-14 00:38:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:38:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:38:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 00:38:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:38:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:38:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:38:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:38:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 00:38:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 00:38:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 00:38:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 00:38:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:38:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:38:40,288 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:38:40,288 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:38:40,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:40 BoogieIcfgContainer [2019-10-14 00:38:40,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:38:40,291 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:38:40,291 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:38:40,291 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:38:40,292 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:40" (1/1) ... [2019-10-14 00:38:40,325 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:38:40,441 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-14 00:38:40,456 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 23 variables. [2019-10-14 00:38:40,456 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:38:40,465 INFO L168 Benchmark]: Toolchain (without parser) took 838.19 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 161.9 MB in the end (delta: -60.8 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,467 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.75 ms. Allocated memory is still 137.4 MB. Free memory was 100.7 MB in the beginning and 90.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,473 INFO L168 Benchmark]: Boogie Preprocessor took 123.13 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 90.8 MB in the beginning and 180.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,474 INFO L168 Benchmark]: RCFGBuilder took 263.44 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 167.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,479 INFO L168 Benchmark]: Abstract Interpretation took 165.40 ms. Allocated memory is still 201.9 MB. Free memory was 167.3 MB in the beginning and 161.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:40,492 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 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.75 ms. Allocated memory is still 137.4 MB. Free memory was 100.7 MB in the beginning and 90.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.13 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 90.8 MB in the beginning and 180.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 263.44 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 167.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 165.40 ms. Allocated memory is still 201.9 MB. Free memory was 167.3 MB in the beginning and 161.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...