java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:43:04,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:43:04,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:43:04,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:43:04,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:43:04,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:43:04,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:43:04,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:43:04,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:43:04,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:43:04,340 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:43:04,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:43:04,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:43:04,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:43:04,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:43:04,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:43:04,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:43:04,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:43:04,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:43:04,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:43:04,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:43:04,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:43:04,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:43:04,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:43:04,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 10:43:04,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:43:04,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:43:04,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:43:04,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:43:04,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:43:04,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:43:04,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:43:04,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:43:04,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:43:04,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:43:04,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:43:04,380 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 [2019-08-14 10:43:04,394 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:43:04,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:43:04,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:43:04,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:43:04,397 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:43:04,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:43:04,397 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:43:04,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:43:04,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:43:04,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:43:04,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:43:04,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:43:04,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:43:04,399 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:43:04,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:43:04,399 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:43:04,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:43:04,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:43:04,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:43:04,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:43:04,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:43:04,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:43:04,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:43:04,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:43:04,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:43:04,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:43:04,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:43:04,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:43:04,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:43:04,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:43:04,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:43:04,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:43:04,475 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:43:04,475 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:43:04,476 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_13.cil.c [2019-08-14 10:43:04,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549cb8a1b/f9ac5142f61e4a31a84c86fffe580905/FLAGe4b55f6e3 [2019-08-14 10:43:05,057 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:43:05,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_13.cil.c [2019-08-14 10:43:05,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549cb8a1b/f9ac5142f61e4a31a84c86fffe580905/FLAGe4b55f6e3 [2019-08-14 10:43:05,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549cb8a1b/f9ac5142f61e4a31a84c86fffe580905 [2019-08-14 10:43:05,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:43:05,463 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:43:05,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:43:05,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:43:05,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:43:05,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:43:05" (1/1) ... [2019-08-14 10:43:05,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38281b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:43:05, skipping insertion in model container [2019-08-14 10:43:05,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:43:05" (1/1) ... [2019-08-14 10:43:05,479 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:43:05,543 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:43:05,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:43:05,817 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:43:06,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:43:06,037 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:43:06,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:43:06 WrapperNode [2019-08-14 10:43:06,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:43:06,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:43:06,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:43:06,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:43:06,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:43:06" (1/1) ... [2019-08-14 10:43:06,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:43:06" (1/1) ... [2019-08-14 10:43:06,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:43:06" (1/1) ... [2019-08-14 10:43:06,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:43:06" (1/1) ... [2019-08-14 10:43:06,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:43:06" (1/1) ... [2019-08-14 10:43:06,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:43:06" (1/1) ... [2019-08-14 10:43:06,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:43:06" (1/1) ... [2019-08-14 10:43:06,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:43:06,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:43:06,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:43:06,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:43:06,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:43:06" (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 [2019-08-14 10:43:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:43:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:43:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2019-08-14 10:43:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:43:06,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:43:06,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-14 10:43:06,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 10:43:06,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-08-14 10:43:06,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-14 10:43:06,196 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2019-08-14 10:43:06,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:43:06,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:43:06,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:43:06,454 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-14 10:43:07,129 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-08-14 10:43:07,130 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-08-14 10:43:07,133 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:43:07,133 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 10:43:07,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:43:07 BoogieIcfgContainer [2019-08-14 10:43:07,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:43:07,135 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:43:07,136 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:43:07,136 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:43:07,137 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:43:07" (1/1) ... [2019-08-14 10:51:31,679 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:51:31,681 INFO L168 Benchmark]: Toolchain (without parser) took 506216.84 ms. Allocated memory was 140.0 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 86.2 MB in the beginning and 403.3 MB in the end (delta: -317.1 MB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-08-14 10:51:31,682 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 140.0 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 10:51:31,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.73 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 85.8 MB in the beginning and 174.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-08-14 10:51:31,684 INFO L168 Benchmark]: Boogie Preprocessor took 98.99 ms. Allocated memory is still 200.3 MB. Free memory was 174.1 MB in the beginning and 171.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-08-14 10:51:31,685 INFO L168 Benchmark]: RCFGBuilder took 996.09 ms. Allocated memory is still 200.3 MB. Free memory was 171.2 MB in the beginning and 119.8 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2019-08-14 10:51:31,686 INFO L168 Benchmark]: Symbolic Interpretation took 504543.56 ms. Allocated memory was 200.3 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 119.8 MB in the beginning and 403.3 MB in the end (delta: -283.5 MB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-08-14 10:51:31,691 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 643]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 16237759#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 140.0 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 574.73 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 85.8 MB in the beginning and 174.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.99 ms. Allocated memory is still 200.3 MB. Free memory was 174.1 MB in the beginning and 171.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 996.09 ms. Allocated memory is still 200.3 MB. Free memory was 171.2 MB in the beginning and 119.8 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 504543.56 ms. Allocated memory was 200.3 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 119.8 MB in the beginning and 403.3 MB in the end (delta: -283.5 MB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...