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 0.1.24-112bae1 [2019-09-10 19:12:18,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 19:12:18,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 19:12:18,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-10 19:12:18,596 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 [2019-09-10 19:12:18,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 19:12:18,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 19:12:18,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 19:12:18,612 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 19:12:18,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 19:12:18,612 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 19:12:18,613 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 19:12:18,613 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 19:12:18,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 19:12:18,613 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 19:12:18,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 19:12:18,614 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 19:12:18,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 19:12:18,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 19:12:18,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 19:12:18,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 19:12:18,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 19:12:18,615 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 19:12:18,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 19:12:18,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 19:12:18,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 19:12:18,616 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 19:12:18,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 19:12:18,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 19:12:18,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 19:12:18,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 19:12:18,617 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 19:12:18,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 19:12:18,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 19:12:18,618 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 19:12:18,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 19:12:18,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 19:12:18,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 19:12:18,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 19:12:18,675 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 19:12:18,675 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-09-10 19:12:18,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3774177a/8423be985dd14546a39baa1536641a83/FLAG4574ed6b3 [2019-09-10 19:12:19,159 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 19:12:19,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-09-10 19:12:19,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3774177a/8423be985dd14546a39baa1536641a83/FLAG4574ed6b3 [2019-09-10 19:12:19,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3774177a/8423be985dd14546a39baa1536641a83 [2019-09-10 19:12:19,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 19:12:19,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 19:12:19,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 19:12:19,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 19:12:19,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 19:12:19,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:12:19" (1/1) ... [2019-09-10 19:12:19,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204050a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:19, skipping insertion in model container [2019-09-10 19:12:19,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:12:19" (1/1) ... [2019-09-10 19:12:19,615 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 19:12:19,646 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 19:12:19,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:12:19,834 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 19:12:19,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:12:19,866 INFO L192 MainTranslator]: Completed translation [2019-09-10 19:12:19,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:19 WrapperNode [2019-09-10 19:12:19,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 19:12:19,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 19:12:19,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 19:12:19,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 19:12:19,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:19" (1/1) ... [2019-09-10 19:12:19,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:19" (1/1) ... [2019-09-10 19:12:19,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:19" (1/1) ... [2019-09-10 19:12:19,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:19" (1/1) ... [2019-09-10 19:12:19,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:19" (1/1) ... [2019-09-10 19:12:19,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:19" (1/1) ... [2019-09-10 19:12:19,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:19" (1/1) ... [2019-09-10 19:12:19,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 19:12:19,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 19:12:19,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 19:12:19,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 19:12:20,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:12:19" (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 [2019-09-10 19:12:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 19:12:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 19:12:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 19:12:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 19:12:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-10 19:12:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 19:12:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 19:12:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 19:12:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 19:12:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 19:12:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 19:12:20,288 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 19:12:20,289 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 19:12:20,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:12:20 BoogieIcfgContainer [2019-09-10 19:12:20,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 19:12:20,291 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 19:12:20,291 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 19:12:20,292 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 19:12:20,292 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:12:20" (1/1) ... [2019-09-10 19:12:20,325 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 19:12:20,649 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 19:12:20,680 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. [2019-09-10 19:12:20,680 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-10 19:12:20,684 INFO L168 Benchmark]: Toolchain (without parser) took 1086.87 ms. Allocated memory was 142.1 MB in the beginning and 202.4 MB in the end (delta: 60.3 MB). Free memory was 89.4 MB in the beginning and 150.6 MB in the end (delta: -61.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 19:12:20,686 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 19:12:20,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.00 ms. Allocated memory is still 142.1 MB. Free memory was 89.2 MB in the beginning and 79.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-10 19:12:20,689 INFO L168 Benchmark]: Boogie Preprocessor took 130.66 ms. Allocated memory was 142.1 MB in the beginning and 202.4 MB in the end (delta: 60.3 MB). Free memory was 79.2 MB in the beginning and 179.3 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-10 19:12:20,692 INFO L168 Benchmark]: RCFGBuilder took 292.11 ms. Allocated memory is still 202.4 MB. Free memory was 179.3 MB in the beginning and 165.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-09-10 19:12:20,693 INFO L168 Benchmark]: Abstract Interpretation took 388.86 ms. Allocated memory is still 202.4 MB. Free memory was 165.6 MB in the beginning and 150.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-10 19:12:20,702 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 142.1 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 269.00 ms. Allocated memory is still 142.1 MB. Free memory was 89.2 MB in the beginning and 79.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.66 ms. Allocated memory was 142.1 MB in the beginning and 202.4 MB in the end (delta: 60.3 MB). Free memory was 79.2 MB in the beginning and 179.3 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.11 ms. Allocated memory is still 202.4 MB. Free memory was 179.3 MB in the beginning and 165.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 388.86 ms. Allocated memory is still 202.4 MB. Free memory was 165.6 MB in the beginning and 150.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 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...