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/MADWiFi-encode_ie_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:38:18,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:38:18,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:38:18,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-03 12:38:18,946 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 [2019-10-03 12:38:18,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:38:18,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:38:18,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:38:18,966 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:38:18,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:38:18,967 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:38:18,967 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:38:18,967 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:38:18,968 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:38:18,968 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:38:18,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:38:18,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:38:18,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:38:18,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:38:18,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:38:18,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:38:18,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:38:18,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:38:18,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:38:18,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:38:18,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:38:18,972 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:38:18,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:38:18,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:18,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:38:18,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:38:18,973 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:38:18,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:38:18,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:38:18,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:38:19,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:38:19,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:38:19,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:38:19,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:38:19,028 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:38:19,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-10-03 12:38:19,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d4a319c8/371d31e0475946e8ada01b156a0ad7ba/FLAGcd8d3ea18 [2019-10-03 12:38:19,532 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:38:19,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-10-03 12:38:19,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d4a319c8/371d31e0475946e8ada01b156a0ad7ba/FLAGcd8d3ea18 [2019-10-03 12:38:19,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d4a319c8/371d31e0475946e8ada01b156a0ad7ba [2019-10-03 12:38:19,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:38:19,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:38:19,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:19,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:38:19,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:38:19,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:19" (1/1) ... [2019-10-03 12:38:19,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a9a4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:19, skipping insertion in model container [2019-10-03 12:38:19,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:19" (1/1) ... [2019-10-03 12:38:19,920 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:38:19,940 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:38:20,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:20,134 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:38:20,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:20,164 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:38:20,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:20 WrapperNode [2019-10-03 12:38:20,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:20,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:38:20,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:38:20,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:38:20,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:20" (1/1) ... [2019-10-03 12:38:20,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:20" (1/1) ... [2019-10-03 12:38:20,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:20" (1/1) ... [2019-10-03 12:38:20,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:20" (1/1) ... [2019-10-03 12:38:20,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:20" (1/1) ... [2019-10-03 12:38:20,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:20" (1/1) ... [2019-10-03 12:38:20,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:20" (1/1) ... [2019-10-03 12:38:20,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:38:20,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:38:20,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:38:20,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:38:20,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:20" (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 [2019-10-03 12:38:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:38:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:38:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:38:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:38:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:38:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:38:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:38:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:38:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:38:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:38:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:38:20,641 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:38:20,641 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:38:20,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:20 BoogieIcfgContainer [2019-10-03 12:38:20,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:38:20,647 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:38:20,647 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:38:20,648 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:38:20,649 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:20" (1/1) ... [2019-10-03 12:38:20,692 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:38:20,980 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:38:21,006 INFO L272 AbstractInterpreter]: Visited 39 different actions 178 times. Merged at 11 different actions 38 times. Widened at 1 different actions 2 times. Performed 207 root evaluator evaluations with a maximum evaluation depth of 6. Performed 207 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 14 fixpoints after 7 different actions. Largest state had 11 variables. [2019-10-03 12:38:21,006 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:38:21,010 INFO L168 Benchmark]: Toolchain (without parser) took 1107.47 ms. Allocated memory was 130.5 MB in the beginning and 199.8 MB in the end (delta: 69.2 MB). Free memory was 85.5 MB in the beginning and 145.4 MB in the end (delta: -59.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:21,016 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 130.5 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:38:21,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.24 ms. Allocated memory is still 130.5 MB. Free memory was 85.1 MB in the beginning and 75.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:21,020 INFO L168 Benchmark]: Boogie Preprocessor took 135.57 ms. Allocated memory was 130.5 MB in the beginning and 199.8 MB in the end (delta: 69.2 MB). Free memory was 75.4 MB in the beginning and 175.4 MB in the end (delta: -100.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:21,021 INFO L168 Benchmark]: RCFGBuilder took 341.26 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 162.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:21,023 INFO L168 Benchmark]: Abstract Interpretation took 359.91 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 145.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:21,031 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 130.5 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.24 ms. Allocated memory is still 130.5 MB. Free memory was 85.1 MB in the beginning and 75.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.57 ms. Allocated memory was 130.5 MB in the beginning and 199.8 MB in the end (delta: 69.2 MB). Free memory was 75.4 MB in the beginning and 175.4 MB in the end (delta: -100.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 341.26 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 162.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 359.91 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 145.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 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 p; [L13] int i; [L14] int leader_len; [L15] int bufsize; [L16] int bufsize_0; [L17] int ielen; [L18] leader_len = __VERIFIER_nondet_int() [L19] bufsize = __VERIFIER_nondet_int() [L20] ielen = __VERIFIER_nondet_int() [L21] COND FALSE !(!(leader_len < 1000000)) [L22] COND FALSE !(!(bufsize < 1000000)) [L23] COND FALSE !(!(ielen < 1000000)) [L24] COND TRUE leader_len >0 [L25] COND TRUE bufsize >0 [L26] COND TRUE ielen >0 [L27] COND FALSE !(bufsize < leader_len) [L29] p = 0 [L30] bufsize_0 = bufsize [L31] bufsize -= leader_len [L32] p += leader_len [L33] COND FALSE !(bufsize < 2*ielen) [L35] i = 0 [L35] COND TRUE i < ielen && bufsize > 2 [L36] CALL __VERIFIER_assert(0<=p) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...