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_1a.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:11,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:11,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:11,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:11,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:11,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:11,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:11,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:11,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:11,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:11,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:11,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:11,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:11,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:11,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:11,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:11,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:11,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:48:11,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:48:11,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:48:11,763 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 13:48:11,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:11,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:11,778 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:11,779 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:11,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:11,780 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:11,780 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:11,780 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:11,780 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:11,780 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:11,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:11,781 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:11,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:11,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:11,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:11,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:11,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:11,783 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:11,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:11,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:11,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:11,784 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:11,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:11,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:11,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:11,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:11,785 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:11,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:11,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:11,786 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:11,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:11,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:11,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:11,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:11,844 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:11,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c [2019-09-20 13:48:11,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68daa88bc/c1394f96de284eaab455c0c0d1257db9/FLAG38271bee7 [2019-09-20 13:48:12,379 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:12,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c [2019-09-20 13:48:12,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68daa88bc/c1394f96de284eaab455c0c0d1257db9/FLAG38271bee7 [2019-09-20 13:48:12,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68daa88bc/c1394f96de284eaab455c0c0d1257db9 [2019-09-20 13:48:12,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:12,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:12,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:12,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:12,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:12,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:12" (1/1) ... [2019-09-20 13:48:12,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d800dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:12, skipping insertion in model container [2019-09-20 13:48:12,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:12" (1/1) ... [2019-09-20 13:48:12,757 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:12,783 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:12,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:12,987 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:13,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:13,140 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:13,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:13 WrapperNode [2019-09-20 13:48:13,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:13,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:13,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:13,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:13,151 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 13:48:13,152 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 13:48:13,157 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 13:48:13,158 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 13:48:13,163 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 13:48:13,170 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 13:48:13,172 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 13:48:13,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:13,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:13,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:13,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:13,179 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 13:48:13,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:13,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:13,242 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 13:48:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:48:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:48:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:13,587 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:13,588 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:48:13,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:13 BoogieIcfgContainer [2019-09-20 13:48:13,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:13,590 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:13,590 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:13,590 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:13,596 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 13:48:13,624 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:13,782 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:48:14,235 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:14,263 INFO L272 AbstractInterpreter]: Visited 79 different actions 914 times. Merged at 59 different actions 492 times. Widened at 12 different actions 71 times. Performed 1819 root evaluator evaluations with a maximum evaluation depth of 6. Performed 1819 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 315 fixpoints after 44 different actions. Largest state had 15 variables. [2019-09-20 13:48:14,263 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:14,267 INFO L168 Benchmark]: Toolchain (without parser) took 1525.58 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 84.0 MB in the beginning and 86.5 MB in the end (delta: -2.5 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,269 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 129.5 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.12 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 83.8 MB in the beginning and 174.3 MB in the end (delta: -90.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,273 INFO L168 Benchmark]: Boogie Preprocessor took 34.53 ms. Allocated memory is still 197.7 MB. Free memory was 174.3 MB in the beginning and 171.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,276 INFO L168 Benchmark]: RCFGBuilder took 413.59 ms. Allocated memory is still 197.7 MB. Free memory was 171.9 MB in the beginning and 153.0 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,277 INFO L168 Benchmark]: Abstract Interpretation took 673.25 ms. Allocated memory is still 197.7 MB. Free memory was 153.0 MB in the beginning and 86.5 MB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:14,286 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 129.5 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 400.12 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 83.8 MB in the beginning and 174.3 MB in the end (delta: -90.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.53 ms. Allocated memory is still 197.7 MB. Free memory was 174.3 MB in the beginning and 171.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 413.59 ms. Allocated memory is still 197.7 MB. Free memory was 171.9 MB in the beginning and 153.0 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 673.25 ms. Allocated memory is still 197.7 MB. Free memory was 153.0 MB in the beginning and 86.5 MB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 216]: 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 s__verify_mode = __VERIFIER_nondet_int() ; [L13] int s__session__peer = __VERIFIER_nondet_int() ; [L14] unsigned long s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_long() ; [L15] int buf ; [L16] int cb ; [L17] int blastFlag ; [L18] int tmp___1; [L20] s__state = 8466 [L21] blastFlag = 0 [L23] COND TRUE 1 [L24] COND FALSE !(s__state <= 8512 && blastFlag > 2) [L30] COND TRUE s__state == 8466 [L79] COND TRUE blastFlag == 0 [L80] blastFlag = 1 [L82] s__state = 8496 [L23] COND TRUE 1 [L24] COND FALSE !(s__state <= 8512 && blastFlag > 2) [L30] COND FALSE !(s__state == 8466) [L33] COND TRUE s__state == 8496 [L86] COND TRUE blastFlag == 1 [L87] blastFlag = 2 [L89] COND TRUE \read(s__hit) [L90] s__state = 8656 [L23] COND TRUE 1 [L24] COND FALSE !(s__state <= 8512 && blastFlag > 2) [L30] COND FALSE !(s__state == 8466) [L33] COND FALSE !(s__state == 8496) [L37] COND FALSE !(s__state == 8512) [L41] COND FALSE !(s__state == 8528) [L45] COND FALSE !(s__state == 8544) [L49] COND FALSE !(s__state == 8560) [L53] COND FALSE !(s__state == 8576) [L57] COND FALSE !(s__state == 8592) [L61] COND FALSE !(s__state == 8608) [L65] COND FALSE !(s__state == 8640) [L69] COND TRUE s__state == 8656 [L163] COND FALSE !(blastFlag == 2) [L166] s__state = 8672 [L23] COND TRUE 1 [L24] COND FALSE !(s__state <= 8512 && blastFlag > 2) [L30] COND FALSE !(s__state == 8466) [L33] COND FALSE !(s__state == 8496) [L37] COND TRUE s__state == 8512 [L97] s__state = 8528 [L23] COND TRUE 1 [L24] COND TRUE s__state <= 8512 && blastFlag > 2 [L216] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...