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-crafted/xor3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:33:11,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:33:11,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:33:11,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:33:11,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:33:11,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:33:11,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:33:11,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:33:11,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:33:11,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:33:11,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:33:11,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:33:11,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:33:11,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:33:11,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:33:11,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:33:11,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:33:11,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:33:11,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:33:11,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:33:11,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:33:11,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:33:11,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:33:11,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:33:11,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:33:11,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:33:11,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:33:11,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:33:11,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:33:11,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:33:11,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:33:11,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:33:11,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:33:11,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:33:11,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:33:11,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:33:11,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:33:11,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:33:11,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:33:11,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:33:11,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:33:11,428 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 [2019-10-15 03:33:11,442 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:33:11,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:33:11,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:33:11,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:33:11,444 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:33:11,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:33:11,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:33:11,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:33:11,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:33:11,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:33:11,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:33:11,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:33:11,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:33:11,446 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:33:11,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:33:11,447 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:33:11,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:33:11,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:33:11,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:33:11,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:33:11,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:33:11,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:33:11,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:33:11,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:33:11,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:33:11,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:33:11,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:33:11,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:33:11,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 03:33:11,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:33:11,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:33:11,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:33:11,776 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:33:11,776 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:33:11,777 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/xor3.i [2019-10-15 03:33:11,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b5e18cf/aae20ce6a34746549e44fbf68bd0304e/FLAG6d6c042fa [2019-10-15 03:33:12,334 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:33:12,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/xor3.i [2019-10-15 03:33:12,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b5e18cf/aae20ce6a34746549e44fbf68bd0304e/FLAG6d6c042fa [2019-10-15 03:33:12,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b5e18cf/aae20ce6a34746549e44fbf68bd0304e [2019-10-15 03:33:12,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:33:12,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:33:12,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:33:12,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:33:12,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:33:12,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:12" (1/1) ... [2019-10-15 03:33:12,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbef401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:12, skipping insertion in model container [2019-10-15 03:33:12,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:12" (1/1) ... [2019-10-15 03:33:12,707 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:33:12,721 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:33:12,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:33:12,910 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:33:12,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:33:13,038 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:33:13,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:13 WrapperNode [2019-10-15 03:33:13,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:33:13,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:33:13,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:33:13,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:33:13,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:13" (1/1) ... [2019-10-15 03:33:13,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:13" (1/1) ... [2019-10-15 03:33:13,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:13" (1/1) ... [2019-10-15 03:33:13,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:13" (1/1) ... [2019-10-15 03:33:13,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:13" (1/1) ... [2019-10-15 03:33:13,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:13" (1/1) ... [2019-10-15 03:33:13,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:13" (1/1) ... [2019-10-15 03:33:13,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:33:13,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:33:13,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:33:13,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:33:13,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:13" (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 [2019-10-15 03:33:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:33:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:33:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2019-10-15 03:33:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:33:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:33:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:33:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2019-10-15 03:33:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:33:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:33:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:33:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:33:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:33:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:33:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:33:13,462 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:33:13,462 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 03:33:13,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:13 BoogieIcfgContainer [2019-10-15 03:33:13,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:33:13,464 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 03:33:13,464 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 03:33:13,464 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 03:33:13,465 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:13" (1/1) ... [2019-10-15 03:33:13,499 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 03:33:13,569 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 03:33:13,575 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 31 variables. [2019-10-15 03:33:13,575 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 03:33:13,579 INFO L168 Benchmark]: Toolchain (without parser) took 886.73 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 100.6 MB in the beginning and 154.8 MB in the end (delta: -54.2 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-10-15 03:33:13,580 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-15 03:33:13,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.41 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 178.9 MB in the end (delta: -78.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-10-15 03:33:13,582 INFO L168 Benchmark]: Boogie Preprocessor took 45.90 ms. Allocated memory is still 199.8 MB. Free memory was 178.9 MB in the beginning and 176.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-10-15 03:33:13,583 INFO L168 Benchmark]: RCFGBuilder took 374.14 ms. Allocated memory is still 199.8 MB. Free memory was 176.4 MB in the beginning and 160.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-10-15 03:33:13,584 INFO L168 Benchmark]: Abstract Interpretation took 111.44 ms. Allocated memory is still 199.8 MB. Free memory was 160.4 MB in the beginning and 154.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:33:13,589 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 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 351.41 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 178.9 MB in the end (delta: -78.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.90 ms. Allocated memory is still 199.8 MB. Free memory was 178.9 MB in the beginning and 176.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 374.14 ms. Allocated memory is still 199.8 MB. Free memory was 176.4 MB in the beginning and 160.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 111.44 ms. Allocated memory is still 199.8 MB. Free memory was 160.4 MB in the beginning and 154.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 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: 42]: 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...