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_sentinel.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:28:34,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:28:34,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:28:34,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:28:34,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:28:34,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:28:34,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:28:34,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:28:34,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:28:34,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:28:34,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:28:34,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:28:34,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:28:34,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:28:34,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:28:34,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:28:34,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:28:34,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:28:34,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:28:34,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:28:34,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:28:34,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:28:34,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:28:34,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:28:34,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 23:28:34,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:28:34,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:28:34,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:28:34,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:28:34,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:28:34,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:28:34,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:28:34,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:28:34,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:28:34,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:28:34,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:28:34,415 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 23:28:34,438 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:28:34,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:28:34,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:28:34,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:28:34,444 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:28:34,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:28:34,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:28:34,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:28:34,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:28:34,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:28:34,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:28:34,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:28:34,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:28:34,446 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:28:34,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:28:34,446 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:28:34,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:28:34,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:28:34,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:28:34,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:28:34,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:28:34,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:28:34,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:28:34,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:28:34,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:28:34,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:28:34,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:28:34,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:28:34,449 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 23:28:34,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:28:34,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:28:34,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:28:34,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:28:34,749 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:28:34,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_sentinel.i.v+cfa-reducer.c [2019-10-13 23:28:34,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dec8742e3/34e64d499d20447a9a5cba7f249ede2c/FLAG0e03b36ba [2019-10-13 23:28:35,303 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:28:35,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_sentinel.i.v+cfa-reducer.c [2019-10-13 23:28:35,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dec8742e3/34e64d499d20447a9a5cba7f249ede2c/FLAG0e03b36ba [2019-10-13 23:28:35,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dec8742e3/34e64d499d20447a9a5cba7f249ede2c [2019-10-13 23:28:35,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:28:35,708 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:28:35,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:28:35,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:28:35,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:28:35,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:28:35" (1/1) ... [2019-10-13 23:28:35,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3457a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:35, skipping insertion in model container [2019-10-13 23:28:35,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:28:35" (1/1) ... [2019-10-13 23:28:35,722 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:28:35,740 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:28:35,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:28:35,919 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:28:35,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:28:35,967 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:28:35,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:35 WrapperNode [2019-10-13 23:28:35,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:28:35,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:28:35,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:28:35,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:28:36,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:35" (1/1) ... [2019-10-13 23:28:36,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:35" (1/1) ... [2019-10-13 23:28:36,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:35" (1/1) ... [2019-10-13 23:28:36,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:35" (1/1) ... [2019-10-13 23:28:36,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:35" (1/1) ... [2019-10-13 23:28:36,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:35" (1/1) ... [2019-10-13 23:28:36,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:35" (1/1) ... [2019-10-13 23:28:36,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:28:36,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:28:36,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:28:36,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:28:36,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:35" (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 23:28:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:28:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:28:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:28:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:28:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:28:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 23:28:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:28:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:28:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:28:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:28:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:28:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:28:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:28:36,359 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:28:36,359 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:28:36,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:28:36 BoogieIcfgContainer [2019-10-13 23:28:36,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:28:36,362 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-13 23:28:36,362 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-13 23:28:36,362 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-13 23:28:36,363 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:28:36" (1/1) ... [2019-10-13 23:28:36,396 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 23:28:36,472 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 23:28:36,478 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 21 root evaluator evaluations with a maximum evaluation depth of 0. Performed 21 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 30 variables. [2019-10-13 23:28:36,478 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-13 23:28:36,481 INFO L168 Benchmark]: Toolchain (without parser) took 772.09 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 103.7 MB in the beginning and 161.0 MB in the end (delta: -57.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 23:28:36,482 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 23:28:36,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.48 ms. Allocated memory is still 145.8 MB. Free memory was 103.5 MB in the beginning and 92.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:28:36,485 INFO L168 Benchmark]: Boogie Preprocessor took 132.71 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 92.8 MB in the beginning and 180.5 MB in the end (delta: -87.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:28:36,489 INFO L168 Benchmark]: RCFGBuilder took 260.20 ms. Allocated memory is still 202.9 MB. Free memory was 180.5 MB in the beginning and 166.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:28:36,491 INFO L168 Benchmark]: Abstract Interpretation took 116.13 ms. Allocated memory is still 202.9 MB. Free memory was 166.2 MB in the beginning and 161.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:28:36,502 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 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 259.48 ms. Allocated memory is still 145.8 MB. Free memory was 103.5 MB in the beginning and 92.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.71 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 92.8 MB in the beginning and 180.5 MB in the end (delta: -87.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 260.20 ms. Allocated memory is still 202.9 MB. Free memory was 180.5 MB in the beginning and 166.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 116.13 ms. Allocated memory is still 202.9 MB. Free memory was 166.2 MB in the beginning and 161.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 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: 41]: 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...