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/array-examples/standard_compare_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:28:16,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:28:16,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:28:16,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:28:16,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:28:16,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:28:16,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:28:16,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:28:16,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:28:16,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:28:16,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:28:16,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:28:16,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:28:16,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:28:16,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:28:16,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:28:16,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:28:16,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:28:16,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:28:16,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:28:16,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:28:16,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:28:16,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:28:16,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:28:16,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 23:28:16,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:28:16,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:28:16,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:28:16,465 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 [2019-10-13 23:28:16,485 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:28:16,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:28:16,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:28:16,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:28:16,489 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:28:16,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:28:16,489 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:28:16,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:28:16,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:28:16,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:28:16,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:28:16,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:28:16,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:28:16,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:28:16,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:28:16,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:28:16,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:28:16,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:28:16,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:28:16,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:28:16,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:28:16,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:28:16,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:28:16,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:28:16,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:28:16,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:28:16,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:28:16,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:28:16,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-13 23:28:16,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:28:16,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:28:16,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:28:16,821 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:28:16,822 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:28:16,823 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_compare_ground.i [2019-10-13 23:28:16,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c057985d6/497db1a9c85749baaffcc7fff3885766/FLAG2eba0e4a9 [2019-10-13 23:28:17,354 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:28:17,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_compare_ground.i [2019-10-13 23:28:17,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c057985d6/497db1a9c85749baaffcc7fff3885766/FLAG2eba0e4a9 [2019-10-13 23:28:17,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c057985d6/497db1a9c85749baaffcc7fff3885766 [2019-10-13 23:28:17,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:28:17,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:28:17,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:28:17,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:28:17,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:28:17,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:28:17" (1/1) ... [2019-10-13 23:28:17,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f8b760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:17, skipping insertion in model container [2019-10-13 23:28:17,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:28:17" (1/1) ... [2019-10-13 23:28:17,767 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:28:17,788 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:28:17,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:28:17,992 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:28:18,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:28:18,032 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:28:18,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:18 WrapperNode [2019-10-13 23:28:18,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:28:18,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:28:18,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:28:18,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:28:18,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:18" (1/1) ... [2019-10-13 23:28:18,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:18" (1/1) ... [2019-10-13 23:28:18,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:18" (1/1) ... [2019-10-13 23:28:18,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:18" (1/1) ... [2019-10-13 23:28:18,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:18" (1/1) ... [2019-10-13 23:28:18,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:18" (1/1) ... [2019-10-13 23:28:18,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:18" (1/1) ... [2019-10-13 23:28:18,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:28:18,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:28:18,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:28:18,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:28:18,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:18" (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 [2019-10-13 23:28:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:28:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:28:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 23:28:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:28:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 23:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:28:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:28:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:28:18,492 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:28:18,492 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-13 23:28:18,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:28:18 BoogieIcfgContainer [2019-10-13 23:28:18,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:28:18,504 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-13 23:28:18,504 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-13 23:28:18,504 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-13 23:28:18,506 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:28:18" (1/1) ... [2019-10-13 23:28:18,564 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 23:28:18,626 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 23:28:18,631 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 29 variables. [2019-10-13 23:28:18,631 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-13 23:28:18,634 INFO L168 Benchmark]: Toolchain (without parser) took 882.41 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 157.5 MB in the end (delta: -55.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:28:18,635 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 23:28:18,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.68 ms. Allocated memory is still 137.9 MB. Free memory was 102.4 MB in the beginning and 92.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:28:18,638 INFO L168 Benchmark]: Boogie Preprocessor took 118.31 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 92.1 MB in the beginning and 179.0 MB in the end (delta: -86.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:28:18,639 INFO L168 Benchmark]: RCFGBuilder took 342.15 ms. Allocated memory is still 201.3 MB. Free memory was 179.0 MB in the beginning and 163.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:28:18,640 INFO L168 Benchmark]: Abstract Interpretation took 127.97 ms. Allocated memory is still 201.3 MB. Free memory was 163.5 MB in the beginning and 157.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:28:18,646 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.68 ms. Allocated memory is still 137.9 MB. Free memory was 102.4 MB in the beginning and 92.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.31 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 92.1 MB in the beginning and 179.0 MB in the end (delta: -86.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 342.15 ms. Allocated memory is still 201.3 MB. Free memory was 179.0 MB in the beginning and 163.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 127.97 ms. Allocated memory is still 201.3 MB. Free memory was 163.5 MB in the beginning and 157.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 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: 2]: 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...