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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:35:06,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:35:06,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:35:06,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-05 13:35:06,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-05 13:35:06,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:35:06,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:35:06,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:35:06,862 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:35:06,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:35:06,863 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:35:06,863 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:35:06,864 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:35:06,864 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:35:06,864 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:35:06,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:35:06,865 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:35:06,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:35:06,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:35:06,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:35:06,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:35:06,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:35:06,866 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:35:06,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:35:06,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:35:06,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:35:06,867 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:35:06,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:35:06,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:35:06,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:35:06,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:35:06,868 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:35:06,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:35:06,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:35:06,869 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:35:06,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:35:06,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:35:06,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:35:06,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:35:06,915 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:35:06,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-09-05 13:35:06,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f530f703/52f974d51b134e5f9aa1dd648291808c/FLAG4f033925f [2019-09-05 13:35:07,445 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:35:07,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-09-05 13:35:07,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f530f703/52f974d51b134e5f9aa1dd648291808c/FLAG4f033925f [2019-09-05 13:35:07,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f530f703/52f974d51b134e5f9aa1dd648291808c [2019-09-05 13:35:07,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:35:07,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:35:07,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:07,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:35:07,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:35:07,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:07" (1/1) ... [2019-09-05 13:35:07,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c475626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:07, skipping insertion in model container [2019-09-05 13:35:07,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:07" (1/1) ... [2019-09-05 13:35:07,845 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:35:07,861 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:35:08,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:08,025 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:35:08,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:08,050 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:35:08,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08 WrapperNode [2019-09-05 13:35:08,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:08,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:35:08,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:35:08,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:35:08,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:35:08,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:35:08,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:35:08,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:35:08,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:08" (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 [2019-09-05 13:35:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:35:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:35:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:35:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:35:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:35:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:35:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:35:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:35:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:35:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:35:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:35:08,414 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:35:08,415 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 13:35:08,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:08 BoogieIcfgContainer [2019-09-05 13:35:08,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:35:08,417 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:35:08,417 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:35:08,423 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:35:08,424 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:08" (1/1) ... [2019-09-05 13:35:08,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:35:08,770 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:35:08,791 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. [2019-09-05 13:35:08,792 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:35:08,795 INFO L168 Benchmark]: Toolchain (without parser) took 965.23 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 86.9 MB in the beginning and 152.7 MB in the end (delta: -65.8 MB). Peak memory consumption was 225.4 kB. Max. memory is 7.1 GB. [2019-09-05 13:35:08,796 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-05 13:35:08,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.87 ms. Allocated memory is still 133.7 MB. Free memory was 86.7 MB in the beginning and 77.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:08,798 INFO L168 Benchmark]: Boogie Preprocessor took 124.73 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 77.3 MB in the beginning and 177.7 MB in the end (delta: -100.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:08,799 INFO L168 Benchmark]: RCFGBuilder took 240.28 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 165.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:08,800 INFO L168 Benchmark]: Abstract Interpretation took 374.66 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 152.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:08,805 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 221.87 ms. Allocated memory is still 133.7 MB. Free memory was 86.7 MB in the beginning and 77.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.73 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 77.3 MB in the beginning and 177.7 MB in the end (delta: -100.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 240.28 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 165.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 374.66 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 152.7 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...