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-lit/css2003.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:16,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:16,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:16,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:16,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:16,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:16,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:16,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:16,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:16,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:16,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:16,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:16,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:16,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:16,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:16,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:16,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:16,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:16,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:16,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:16,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:16,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:16,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:16,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:16,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:16,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:16,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:16,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:16,577 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 04:44:16,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:16,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:16,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:16,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:16,598 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:16,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:16,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:16,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:16,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:16,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:16,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:16,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:16,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:16,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:16,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:16,601 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:16,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:16,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:16,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:16,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:16,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:16,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:16,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:16,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:16,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:16,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:16,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:16,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:16,604 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 04:44:16,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:16,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:16,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:16,932 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:16,932 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:16,933 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/css2003.i [2019-10-15 04:44:17,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f900d2c/8ea0650d6c3b46f1ae19ce776c251d4e/FLAGb16c664c2 [2019-10-15 04:44:17,517 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:17,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/css2003.i [2019-10-15 04:44:17,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f900d2c/8ea0650d6c3b46f1ae19ce776c251d4e/FLAGb16c664c2 [2019-10-15 04:44:17,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f900d2c/8ea0650d6c3b46f1ae19ce776c251d4e [2019-10-15 04:44:17,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:17,865 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:17,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:17,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:17,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:17,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:17" (1/1) ... [2019-10-15 04:44:17,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3686b925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:17, skipping insertion in model container [2019-10-15 04:44:17,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:17" (1/1) ... [2019-10-15 04:44:17,882 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:17,899 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:18,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:18,124 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:18,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:18,171 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:18,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:18 WrapperNode [2019-10-15 04:44:18,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:18,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:18,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:18,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:18,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:18" (1/1) ... [2019-10-15 04:44:18,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:18" (1/1) ... [2019-10-15 04:44:18,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:18" (1/1) ... [2019-10-15 04:44:18,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:18" (1/1) ... [2019-10-15 04:44:18,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:18" (1/1) ... [2019-10-15 04:44:18,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:18" (1/1) ... [2019-10-15 04:44:18,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:18" (1/1) ... [2019-10-15 04:44:18,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:18,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:18,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:18,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:18,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:18" (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 [2019-10-15 04:44:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:18,620 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:18,620 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:18,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:18 BoogieIcfgContainer [2019-10-15 04:44:18,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:18,629 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:18,630 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:18,630 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:18,639 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:18" (1/1) ... [2019-10-15 04:44:18,678 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:19,107 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:19,131 INFO L272 AbstractInterpreter]: Visited 22 different actions 107 times. Merged at 5 different actions 22 times. Widened at 1 different actions 3 times. Performed 147 root evaluator evaluations with a maximum evaluation depth of 7. Performed 147 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 4 fixpoints after 2 different actions. Largest state had 5 variables. [2019-10-15 04:44:19,131 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:19,137 INFO L168 Benchmark]: Toolchain (without parser) took 1269.49 ms. Allocated memory was 136.8 MB in the beginning and 204.5 MB in the end (delta: 67.6 MB). Free memory was 102.0 MB in the beginning and 137.9 MB in the end (delta: -35.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:19,139 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:19,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.41 ms. Allocated memory is still 136.8 MB. Free memory was 101.6 MB in the beginning and 92.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:19,143 INFO L168 Benchmark]: Boogie Preprocessor took 194.59 ms. Allocated memory was 136.8 MB in the beginning and 204.5 MB in the end (delta: 67.6 MB). Free memory was 92.4 MB in the beginning and 183.5 MB in the end (delta: -91.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:19,145 INFO L168 Benchmark]: RCFGBuilder took 253.54 ms. Allocated memory is still 204.5 MB. Free memory was 183.5 MB in the beginning and 172.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:19,146 INFO L168 Benchmark]: Abstract Interpretation took 502.59 ms. Allocated memory is still 204.5 MB. Free memory was 172.1 MB in the beginning and 137.9 MB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:19,158 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 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 307.41 ms. Allocated memory is still 136.8 MB. Free memory was 101.6 MB in the beginning and 92.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 194.59 ms. Allocated memory was 136.8 MB in the beginning and 204.5 MB in the end (delta: 67.6 MB). Free memory was 92.4 MB in the beginning and 183.5 MB in the end (delta: -91.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 253.54 ms. Allocated memory is still 204.5 MB. Free memory was 183.5 MB in the beginning and 172.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 502.59 ms. Allocated memory is still 204.5 MB. Free memory was 172.1 MB in the beginning and 137.9 MB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 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] int i,j,k; [L12] i = 1 [L13] j = 1 [L14] k = __VERIFIER_nondet_int() [L15] COND FALSE !(!(0 <= k && k <= 1)) [L16] COND TRUE i < 1000000 [L17] i = i + 1 [L18] j = j + k [L19] k = k - 1 [L20] CALL __VERIFIER_assert(1 <= i + k && i + k <= 2 && i >= 1) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...