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-invgen/NetBSD_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:05,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:05,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:05,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:05,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:05,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:05,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:05,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:05,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:05,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:05,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:05,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:05,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:05,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:05,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:05,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:05,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:05,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:05,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:05,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:05,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:05,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:05,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:05,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:05,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:05,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:44:05,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:44:05,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:44:05,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:44:05,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:44:05,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:44:05,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:44:05,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:44:05,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:05,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:05,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:05,616 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 04:44:05,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:05,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:05,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:05,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:05,633 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:05,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:05,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:05,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:05,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:05,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:05,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:05,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:05,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:05,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:05,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:05,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:05,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:05,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:05,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:05,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:05,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:05,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:05,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:05,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:05,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:05,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:05,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:05,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:05,638 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 04:44:05,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:05,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:05,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:05,981 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:05,982 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:05,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-10-15 04:44:06,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18273dc7d/3e9e4870c3934b8e861ee874318adf69/FLAG8a9067f79 [2019-10-15 04:44:06,538 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:06,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-10-15 04:44:06,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18273dc7d/3e9e4870c3934b8e861ee874318adf69/FLAG8a9067f79 [2019-10-15 04:44:06,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18273dc7d/3e9e4870c3934b8e861ee874318adf69 [2019-10-15 04:44:06,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:06,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:06,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:06,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:06,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:06,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:06" (1/1) ... [2019-10-15 04:44:06,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34791942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:06, skipping insertion in model container [2019-10-15 04:44:06,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:06" (1/1) ... [2019-10-15 04:44:06,940 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:06,961 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:07,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:07,183 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:07,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:07,219 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:07,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07 WrapperNode [2019-10-15 04:44:07,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:07,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:07,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:07,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:07,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:07,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:07,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:07,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:07,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (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 04:44:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:07,581 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:07,581 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:07,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:07 BoogieIcfgContainer [2019-10-15 04:44:07,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:07,590 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:07,591 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:07,591 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:07,592 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,643 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:07,919 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:07,947 INFO L272 AbstractInterpreter]: Visited 26 different actions 115 times. Merged at 7 different actions 19 times. Widened at 1 different actions 1 times. Performed 125 root evaluator evaluations with a maximum evaluation depth of 7. Performed 125 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 4 fixpoints after 3 different actions. Largest state had 9 variables. [2019-10-15 04:44:07,948 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:07,951 INFO L168 Benchmark]: Toolchain (without parser) took 1027.78 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 101.9 MB in the beginning and 153.9 MB in the end (delta: -52.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:07,952 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory is still 119.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:07,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.08 ms. Allocated memory is still 136.3 MB. Free memory was 101.4 MB in the beginning and 91.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:07,954 INFO L168 Benchmark]: Boogie Preprocessor took 119.94 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 91.7 MB in the beginning and 177.9 MB in the end (delta: -86.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:07,955 INFO L168 Benchmark]: RCFGBuilder took 241.26 ms. Allocated memory is still 199.2 MB. Free memory was 177.9 MB in the beginning and 166.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:07,956 INFO L168 Benchmark]: Abstract Interpretation took 357.37 ms. Allocated memory is still 199.2 MB. Free memory was 166.2 MB in the beginning and 153.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:07,961 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 136.3 MB. Free memory is still 119.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 298.08 ms. Allocated memory is still 136.3 MB. Free memory was 101.4 MB in the beginning and 91.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.94 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 91.7 MB in the beginning and 177.9 MB in the end (delta: -86.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 241.26 ms. Allocated memory is still 199.2 MB. Free memory was 177.9 MB in the beginning and 166.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 357.37 ms. Allocated memory is still 199.2 MB. Free memory was 166.2 MB in the beginning and 153.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 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: [L12] int MAXPATHLEN; [L13] int pathbuf_off; [L14] int bound_off; [L15] int glob2_p_off; [L16] int glob2_pathbuf_off; [L17] int glob2_pathlim_off; [L18] MAXPATHLEN = __VERIFIER_nondet_int() [L19] COND TRUE MAXPATHLEN > 0 && MAXPATHLEN < 2147483647 [L20] pathbuf_off = 0 [L21] bound_off = pathbuf_off + (MAXPATHLEN + 1) - 1 [L22] glob2_pathbuf_off = pathbuf_off [L23] glob2_pathlim_off = bound_off [L24] glob2_p_off = glob2_pathbuf_off [L25] COND TRUE glob2_p_off <= glob2_pathlim_off [L27] CALL __VERIFIER_assert (0 <= glob2_p_off ) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...