/usr/bin/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-fb55353 [2019-11-07 06:57:28,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:28,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:28,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:28,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:28,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:28,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:28,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:28,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:28,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:28,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:28,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-11-07 06:57:28,795 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 [2019-11-07 06:57:28,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:28,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:28,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:28,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:28,828 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:28,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:28,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:28,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:28,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:28,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:28,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:28,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:28,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:28,830 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:28,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:28,830 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:28,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:28,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:28,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:28,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:28,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:28,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:28,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:28,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:28,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:28,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:28,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:28,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:28,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:57:29,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:29,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:29,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:29,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:29,161 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:29,162 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-11-07 06:57:29,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1652493e2/75f7562f348c49a1a4d3c531d0d7fab5/FLAG68698c747 [2019-11-07 06:57:29,697 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:29,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-11-07 06:57:29,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1652493e2/75f7562f348c49a1a4d3c531d0d7fab5/FLAG68698c747 [2019-11-07 06:57:30,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1652493e2/75f7562f348c49a1a4d3c531d0d7fab5 [2019-11-07 06:57:30,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:30,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:30,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:30,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:30,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:30,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:30" (1/1) ... [2019-11-07 06:57:30,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb42ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:30, skipping insertion in model container [2019-11-07 06:57:30,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:30" (1/1) ... [2019-11-07 06:57:30,149 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:30,167 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:30,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:30,362 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:30,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:30,391 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:30,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:30 WrapperNode [2019-11-07 06:57:30,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:30,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:30,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:30,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:30,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:30" (1/1) ... [2019-11-07 06:57:30,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:30" (1/1) ... [2019-11-07 06:57:30,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:30" (1/1) ... [2019-11-07 06:57:30,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:30" (1/1) ... [2019-11-07 06:57:30,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:30" (1/1) ... [2019-11-07 06:57:30,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:30" (1/1) ... [2019-11-07 06:57:30,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:30" (1/1) ... [2019-11-07 06:57:30,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:30,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:30,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:30,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:30,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:30" (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 [2019-11-07 06:57:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:57:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 06:57:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:57:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:30,737 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:30,737 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:57:30,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:30 BoogieIcfgContainer [2019-11-07 06:57:30,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:30,747 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:30,747 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:30,748 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:30,749 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:30" (1/1) ... [2019-11-07 06:57:30,788 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:57:31,030 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:57:31,047 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. [2019-11-07 06:57:31,047 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:57:31,050 INFO L168 Benchmark]: Toolchain (without parser) took 917.13 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 102.2 MB in the beginning and 154.2 MB in the end (delta: -52.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:31,052 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:57:31,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.14 ms. Allocated memory is still 137.4 MB. Free memory was 102.0 MB in the beginning and 92.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:31,055 INFO L168 Benchmark]: Boogie Preprocessor took 106.94 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 92.5 MB in the beginning and 179.0 MB in the end (delta: -86.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:31,056 INFO L168 Benchmark]: RCFGBuilder took 239.69 ms. Allocated memory is still 200.3 MB. Free memory was 179.0 MB in the beginning and 166.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:31,057 INFO L168 Benchmark]: Abstract Interpretation took 300.26 ms. Allocated memory is still 200.3 MB. Free memory was 166.3 MB in the beginning and 154.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:31,063 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 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 259.14 ms. Allocated memory is still 137.4 MB. Free memory was 102.0 MB in the beginning and 92.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.94 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 92.5 MB in the beginning and 179.0 MB in the end (delta: -86.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.69 ms. Allocated memory is still 200.3 MB. Free memory was 179.0 MB in the beginning and 166.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 300.26 ms. Allocated memory is still 200.3 MB. Free memory was 166.3 MB in the beginning and 154.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 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...