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/ssh-simplified/s3_srvr_1b.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:12,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:12,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:12,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:12,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:12,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:12,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:12,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:12,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:12,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:12,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:12,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:12,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:12,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:12,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:12,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:12,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:12,279 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 [2019-09-20 13:48:12,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:12,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:12,297 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:12,297 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:12,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:12,298 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:12,298 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:12,298 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:12,298 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:12,299 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:12,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:12,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:12,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:12,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:12,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:12,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:12,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:12,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:12,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:12,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:12,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:12,304 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:12,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:12,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:12,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:12,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:12,306 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:12,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:12,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:12,307 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:12,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:12,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:12,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:12,368 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:12,368 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:12,369 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-09-20 13:48:12,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1070fc8e6/4f00ee81d1c74b54a0e925e5f186df8b/FLAG0703107b4 [2019-09-20 13:48:12,878 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:12,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-09-20 13:48:12,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1070fc8e6/4f00ee81d1c74b54a0e925e5f186df8b/FLAG0703107b4 [2019-09-20 13:48:13,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1070fc8e6/4f00ee81d1c74b54a0e925e5f186df8b [2019-09-20 13:48:13,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:13,253 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:13,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:13,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:13,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:13,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfcc166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13, skipping insertion in model container [2019-09-20 13:48:13,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,271 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:13,294 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:13,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:13,495 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:13,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:13,528 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:13,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13 WrapperNode [2019-09-20 13:48:13,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:13,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:13,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:13,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:13,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:13,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:13,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:13,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:13,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:13,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13" (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 [2019-09-20 13:48:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 13:48:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:48:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:48:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:13,975 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:13,976 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:48:13,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:13 BoogieIcfgContainer [2019-09-20 13:48:13,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:13,979 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:13,979 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:13,980 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:13,981 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:13" (1/1) ... [2019-09-20 13:48:14,021 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:14,307 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:14,333 INFO L272 AbstractInterpreter]: Visited 43 different actions 192 times. Merged at 29 different actions 86 times. Widened at 4 different actions 5 times. Performed 325 root evaluator evaluations with a maximum evaluation depth of 4. Performed 325 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 46 fixpoints after 20 different actions. Largest state had 7 variables. [2019-09-20 13:48:14,333 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:14,336 INFO L168 Benchmark]: Toolchain (without parser) took 1082.06 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.5 MB in the beginning and 147.3 MB in the end (delta: -59.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,337 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.50 ms. Allocated memory is still 133.2 MB. Free memory was 87.3 MB in the beginning and 77.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,339 INFO L168 Benchmark]: Boogie Preprocessor took 123.34 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 77.1 MB in the beginning and 176.7 MB in the end (delta: -99.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,340 INFO L168 Benchmark]: RCFGBuilder took 324.41 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 162.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,341 INFO L168 Benchmark]: Abstract Interpretation took 354.37 ms. Allocated memory is still 200.3 MB. Free memory was 162.0 MB in the beginning and 147.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,345 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 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.50 ms. Allocated memory is still 133.2 MB. Free memory was 87.3 MB in the beginning and 77.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.34 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 77.1 MB in the beginning and 176.7 MB in the end (delta: -99.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.41 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 162.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 354.37 ms. Allocated memory is still 200.3 MB. Free memory was 162.0 MB in the beginning and 147.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 139]: 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: [L10] int s__state ; [L11] int s__hit = __VERIFIER_nondet_int() ; [L12] int blastFlag ; [L13] int tmp___1; [L15] s__state = 8466 [L16] blastFlag = 0 [L18] COND TRUE 1 [L19] COND FALSE !(s__state <= 8512 && blastFlag > 2) [L25] COND TRUE s__state == 8466 [L58] COND TRUE blastFlag == 0 [L59] blastFlag = 2 [L61] COND TRUE \read(s__hit) [L62] s__state = 8656 [L18] COND TRUE 1 [L19] COND FALSE !(s__state <= 8512 && blastFlag > 2) [L25] COND FALSE !(s__state == 8466) [L30] COND FALSE !(s__state == 8512) [L46] COND FALSE !(s__state == 8640) [L50] COND TRUE s__state == 8656 [L89] COND TRUE blastFlag == 2 [L90] blastFlag = 3 [L93] COND FALSE !(blastFlag == 4) [L96] COND FALSE !(blastFlag == 5) [L100] COND TRUE \read(s__hit) [L101] s__state = 8640 [L18] COND TRUE 1 [L19] COND TRUE s__state <= 8512 && blastFlag > 2 [L139] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...