/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/MADWiFi-encode_ie_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:57:27,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:27,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:27,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:27,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:27,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:27,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:27,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:27,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:27,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:27,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:27,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:57:27,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:57:27,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:57:27,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:57:27,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:57:27,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:57:27,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:57:27,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:57:27,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:57:27,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:57:27,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:57:27,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:57:27,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:57:27,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:57:27,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:57:27,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:57:27,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:57:27,381 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 06:57:27,394 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:27,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:27,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:27,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:27,396 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:27,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:27,396 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:27,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:27,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:27,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:27,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:27,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:27,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:27,398 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:27,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:27,398 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:27,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:27,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:27,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:27,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:27,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:27,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:27,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:27,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:27,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:27,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:27,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:27,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:27,401 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 06:57:27,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:27,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:27,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:27,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:27,696 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:27,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-11-07 06:57:27,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13497b0c2/7e8cae1b438c4249b225638d4dc9b1d8/FLAG4aef06dc5 [2019-11-07 06:57:28,210 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:28,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-11-07 06:57:28,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13497b0c2/7e8cae1b438c4249b225638d4dc9b1d8/FLAG4aef06dc5 [2019-11-07 06:57:28,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13497b0c2/7e8cae1b438c4249b225638d4dc9b1d8 [2019-11-07 06:57:28,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:28,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:28,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:28,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:28,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:28,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:28" (1/1) ... [2019-11-07 06:57:28,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a9861f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:28, skipping insertion in model container [2019-11-07 06:57:28,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:28" (1/1) ... [2019-11-07 06:57:28,612 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:28,632 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:28,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:28,821 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:28,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:28,850 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:28,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:28 WrapperNode [2019-11-07 06:57:28,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:28,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:28,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:28,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:28,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:28" (1/1) ... [2019-11-07 06:57:28,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:28" (1/1) ... [2019-11-07 06:57:28,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:28" (1/1) ... [2019-11-07 06:57:28,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:28" (1/1) ... [2019-11-07 06:57:28,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:28" (1/1) ... [2019-11-07 06:57:28,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:28" (1/1) ... [2019-11-07 06:57:28,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:28" (1/1) ... [2019-11-07 06:57:28,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:28,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:28,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:28,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:28,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:28" (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 06:57:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:57:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 06:57:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:57:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:29,261 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:29,262 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:57:29,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:29 BoogieIcfgContainer [2019-11-07 06:57:29,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:29,269 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:29,270 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:29,270 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:29,275 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:29" (1/1) ... [2019-11-07 06:57:29,319 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:57:29,590 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:57:29,612 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. [2019-11-07 06:57:29,613 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:57:29,616 INFO L168 Benchmark]: Toolchain (without parser) took 1018.29 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 150.7 MB in the end (delta: -49.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:29,617 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 06:57:29,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.83 ms. Allocated memory is still 138.4 MB. Free memory was 101.3 MB in the beginning and 91.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:29,620 INFO L168 Benchmark]: Boogie Preprocessor took 117.87 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 91.6 MB in the beginning and 180.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:29,621 INFO L168 Benchmark]: RCFGBuilder took 297.93 ms. Allocated memory is still 202.4 MB. Free memory was 180.7 MB in the beginning and 167.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:29,622 INFO L168 Benchmark]: Abstract Interpretation took 343.29 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 150.7 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:29,626 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.83 ms. Allocated memory is still 138.4 MB. Free memory was 101.3 MB in the beginning and 91.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.87 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 91.6 MB in the beginning and 180.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 297.93 ms. Allocated memory is still 202.4 MB. Free memory was 180.7 MB in the beginning and 167.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 343.29 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 150.7 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 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...