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-c6af20d [2019-09-03 21:26:23,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:23,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:23,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:26:24,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:26:24,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:26:24,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:26:24,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:26:24,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:26:24,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:26:24,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:26:24,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-09-03 21:26:24,063 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 21:26:24,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:24,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:24,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:24,089 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:24,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:24,089 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:24,090 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:24,090 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:24,090 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:24,090 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:24,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:24,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:24,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:24,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:24,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:24,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:24,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:24,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:24,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:24,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:24,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:24,095 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:24,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:24,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:24,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:24,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:24,097 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:24,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:24,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:24,097 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:24,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:24,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:24,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:24,177 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:24,178 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:24,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-09-03 21:26:24,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b52ca137/56ca40ed2d3449968a4f05aea1942b62/FLAG2c7d40d3e [2019-09-03 21:26:24,709 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:24,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-09-03 21:26:24,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b52ca137/56ca40ed2d3449968a4f05aea1942b62/FLAG2c7d40d3e [2019-09-03 21:26:25,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b52ca137/56ca40ed2d3449968a4f05aea1942b62 [2019-09-03 21:26:25,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:25,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:25,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:25,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:25,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:25,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b41648 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 21:26:25,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:25" (1/1) ... [2019-09-03 21:26:25,122 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:25,138 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:25,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:25,313 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:25,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:25,346 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:25,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:25 WrapperNode [2019-09-03 21:26:25,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:25,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:25,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:25,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:25,453 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 21:26:25,453 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 21:26:25,459 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 21:26:25,459 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 21:26:25,463 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 21:26:25,468 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 21:26:25,470 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 21:26:25,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:25,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:25,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:25,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:25,473 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 21:26:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:25,721 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:25,721 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:25,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:25 BoogieIcfgContainer [2019-09-03 21:26:25,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:25,731 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:25,731 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:25,731 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:25,733 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 21:26:25,794 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:26,121 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:26,145 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. [2019-09-03 21:26:26,145 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:26,148 INFO L168 Benchmark]: Toolchain (without parser) took 1041.51 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 89.5 MB in the beginning and 145.3 MB in the end (delta: -55.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:26,149 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:26,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.04 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 79.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:26,152 INFO L168 Benchmark]: Boogie Preprocessor took 123.43 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 79.9 MB in the beginning and 175.3 MB in the end (delta: -95.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:26,153 INFO L168 Benchmark]: RCFGBuilder took 258.87 ms. Allocated memory is still 199.2 MB. Free memory was 175.3 MB in the beginning and 161.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:26,153 INFO L168 Benchmark]: Abstract Interpretation took 414.48 ms. Allocated memory is still 199.2 MB. Free memory was 161.6 MB in the beginning and 145.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:26,158 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.04 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 79.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.43 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 79.9 MB in the beginning and 175.3 MB in the end (delta: -95.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 258.87 ms. Allocated memory is still 199.2 MB. Free memory was 175.3 MB in the beginning and 161.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 414.48 ms. Allocated memory is still 199.2 MB. Free memory was 161.6 MB in the beginning and 145.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 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...