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-c6af20d [2019-09-03 21:26:24,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:24,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:24,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 21:26:24,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 21:26:24,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 21:26:24,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 21:26:24,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 21:26:24,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 21:26:24,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 21:26:24,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 21:26:24,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 21:26:24,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:26:24,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:26:24,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:26:24,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:26:24,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:26:24,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:26:24,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:26:24,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:26:24,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:26:24,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:26:24,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:26:24,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:26:24,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:26:24,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:26:24,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:26:24,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:26:24,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:26:24,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:26:24,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:26:24,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:26:24,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:26:24,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:26:24,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:26:24,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:26:24,149 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 [2019-09-03 21:26:24,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:24,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:24,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:24,167 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:24,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:24,168 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:24,168 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:24,168 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:24,168 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:24,169 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:24,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:24,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:24,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:24,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:24,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:24,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:24,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:24,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:24,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:24,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:24,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:24,172 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:24,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:24,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:24,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:24,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:24,173 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:24,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:24,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:24,173 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:24,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:24,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:24,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:24,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:24,226 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:24,227 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-09-03 21:26:24,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1dd7f73c/5fa6c81a9c0d4257a2318473d4588a32/FLAG5c1158473 [2019-09-03 21:26:24,810 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:24,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-09-03 21:26:24,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1dd7f73c/5fa6c81a9c0d4257a2318473d4588a32/FLAG5c1158473 [2019-09-03 21:26:25,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1dd7f73c/5fa6c81a9c0d4257a2318473d4588a32 [2019-09-03 21:26:25,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:25,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:25,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:25,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:25,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:25,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275e564a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25, skipping insertion in model container [2019-09-03 21:26:25,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,240 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:25,259 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:25,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:25,435 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:25,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:25,470 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:25,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25 WrapperNode [2019-09-03 21:26:25,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:25,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:25,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:25,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:25,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:25,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:25,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:25,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:25,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25" (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 [2019-09-03 21:26:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:25,851 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:25,851 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:25,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:25 BoogieIcfgContainer [2019-09-03 21:26:25,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:25,854 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:25,854 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:25,854 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:25,855 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,908 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:26,165 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:26,186 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. [2019-09-03 21:26:26,187 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:26,190 INFO L168 Benchmark]: Toolchain (without parser) took 971.17 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 85.7 MB in the beginning and 154.0 MB in the end (delta: -68.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:26:26,190 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:26:26,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.99 ms. Allocated memory is still 139.5 MB. Free memory was 85.7 MB in the beginning and 76.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:26,192 INFO L168 Benchmark]: Boogie Preprocessor took 147.47 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 76.6 MB in the beginning and 177.3 MB in the end (delta: -100.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:26,194 INFO L168 Benchmark]: RCFGBuilder took 233.43 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 166.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:26,195 INFO L168 Benchmark]: Abstract Interpretation took 333.14 ms. Allocated memory is still 200.3 MB. Free memory was 166.3 MB in the beginning and 154.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:26,199 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.99 ms. Allocated memory is still 139.5 MB. Free memory was 85.7 MB in the beginning and 76.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.47 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 76.6 MB in the beginning and 177.3 MB in the end (delta: -100.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 233.43 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 166.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 333.14 ms. Allocated memory is still 200.3 MB. Free memory was 166.3 MB in the beginning and 154.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 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: [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...