./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc62073ce79016c7df42a52e8632c95b513492d4 .................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:40:18,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:40:18,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:40:18,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:40:18,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:40:18,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:40:18,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:40:18,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:40:18,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:40:18,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:40:18,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:40:18,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:40:18,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:40:18,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:40:18,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:40:18,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:40:18,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:40:18,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:40:18,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:40:18,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:40:18,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:40:18,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:40:18,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:40:18,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:40:18,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:40:18,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:40:18,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:40:18,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:40:18,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:40:18,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:40:18,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:40:18,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:40:18,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:40:18,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:40:18,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:40:18,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:40:18,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:40:18,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:40:18,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:40:18,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:40:18,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:40:18,431 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:40:18,469 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:40:18,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:40:18,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:40:18,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:40:18,477 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:40:18,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:40:18,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:40:18,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:40:18,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:40:18,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:40:18,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:40:18,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:40:18,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:40:18,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:40:18,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:40:18,482 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:40:18,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:40:18,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:40:18,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:40:18,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:40:18,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:40:18,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:40:18,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:40:18,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:40:18,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:40:18,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:40:18,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:40:18,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:40:18,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:40:18,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc62073ce79016c7df42a52e8632c95b513492d4 [2019-11-28 15:40:18,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:40:18,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:40:18,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:40:18,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:40:18,841 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:40:18,842 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.c [2019-11-28 15:40:18,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fac1773/7c4ff84031ed420db0fbea4f999e35e6/FLAG61206f97d [2019-11-28 15:40:19,482 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:40:19,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.c [2019-11-28 15:40:19,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fac1773/7c4ff84031ed420db0fbea4f999e35e6/FLAG61206f97d [2019-11-28 15:40:19,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fac1773/7c4ff84031ed420db0fbea4f999e35e6 [2019-11-28 15:40:19,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:40:19,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:40:19,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:40:19,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:40:19,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:40:19,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:40:19" (1/1) ... [2019-11-28 15:40:19,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a08f8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:19, skipping insertion in model container [2019-11-28 15:40:19,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:40:19" (1/1) ... [2019-11-28 15:40:19,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:40:19,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:40:20,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:40:20,252 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:40:20,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:40:20,356 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:40:20,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20 WrapperNode [2019-11-28 15:40:20,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:40:20,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:40:20,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:40:20,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:40:20,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (1/1) ... [2019-11-28 15:40:20,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (1/1) ... [2019-11-28 15:40:20,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:40:20,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:40:20,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:40:20,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:40:20,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (1/1) ... [2019-11-28 15:40:20,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (1/1) ... [2019-11-28 15:40:20,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (1/1) ... [2019-11-28 15:40:20,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (1/1) ... [2019-11-28 15:40:20,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (1/1) ... [2019-11-28 15:40:20,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (1/1) ... [2019-11-28 15:40:20,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (1/1) ... [2019-11-28 15:40:20,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:40:20,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:40:20,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:40:20,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:40:20,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (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 [2019-11-28 15:40:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:40:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:40:20,682 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 15:40:21,424 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2019-11-28 15:40:21,424 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2019-11-28 15:40:21,426 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:40:21,426 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:40:21,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:40:21 BoogieIcfgContainer [2019-11-28 15:40:21,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:40:21,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:40:21,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:40:21,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:40:21,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:40:19" (1/3) ... [2019-11-28 15:40:21,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd1c72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:40:21, skipping insertion in model container [2019-11-28 15:40:21,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:40:20" (2/3) ... [2019-11-28 15:40:21,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd1c72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:40:21, skipping insertion in model container [2019-11-28 15:40:21,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:40:21" (3/3) ... [2019-11-28 15:40:21,440 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-1.c [2019-11-28 15:40:21,451 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:40:21,462 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:40:21,475 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:40:21,515 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:40:21,515 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:40:21,516 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:40:21,516 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:40:21,516 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:40:21,516 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:40:21,517 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:40:21,517 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:40:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-11-28 15:40:21,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 15:40:21,542 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:40:21,543 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 15:40:21,544 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:40:21,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:40:21,550 INFO L82 PathProgramCache]: Analyzing trace with hash 29741229, now seen corresponding path program 1 times [2019-11-28 15:40:21,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:40:21,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498813794] [2019-11-28 15:40:21,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:40:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:40:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:40:21,725 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 15:40:21,726 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 15:40:21,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:40:21 BoogieIcfgContainer [2019-11-28 15:40:21,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:40:21,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:40:21,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:40:21,758 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:40:21,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:40:21" (3/4) ... [2019-11-28 15:40:21,761 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 15:40:21,834 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:40:21,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:40:21,838 INFO L168 Benchmark]: Toolchain (without parser) took 2058.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 956.3 MB in the beginning and 990.6 MB in the end (delta: -34.3 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:40:21,838 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:40:21,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -129.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:40:21,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:40:21,840 INFO L168 Benchmark]: Boogie Preprocessor took 45.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:40:21,841 INFO L168 Benchmark]: RCFGBuilder took 955.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2019-11-28 15:40:21,842 INFO L168 Benchmark]: TraceAbstraction took 325.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:40:21,843 INFO L168 Benchmark]: Witness Printer took 77.00 ms. Allocated memory is still 1.1 GB. Free memory was 997.6 MB in the beginning and 990.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:40:21,846 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 576.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -129.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 955.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 325.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Witness Printer took 77.00 ms. Allocated memory is still 1.1 GB. Free memory was 997.6 MB in the beginning and 990.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 670]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L675] int s ; [L676] int tmp ; [L680] s = 8464 [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int() ; [L17] int s__type ; [L18] int s__init_num ; [L19] int s__hit = __VERIFIER_nondet_int() ; [L20] int s__rwstate ; [L21] int s__init_buf___0 = 1; [L22] int s__debug = __VERIFIER_nondet_int() ; [L23] int s__shutdown ; [L24] int s__cert = __VERIFIER_nondet_int() ; [L25] int s__options = __VERIFIER_nondet_int() ; [L26] int s__verify_mode = __VERIFIER_nondet_int() ; [L27] int s__session__peer = __VERIFIER_nondet_int() ; [L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L33] int s__s3__tmp__cert_request ; [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__use_rsa_tmp ; [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L40] int s__session__cipher ; [L41] int buf ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp ; [L45] int cb ; [L46] long num1 = __VERIFIER_nondet_long() ; [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int got_new_session ; [L52] int tmp___1 = __VERIFIER_nondet_int() ; [L53] int tmp___2 = __VERIFIER_nondet_int() ; [L54] int tmp___3 = __VERIFIER_nondet_int() ; [L55] int tmp___4 = __VERIFIER_nondet_int() ; [L56] int tmp___5 = __VERIFIER_nondet_int() ; [L57] int tmp___6 = __VERIFIER_nondet_int() ; [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long() ; [L60] int tmp___9 = __VERIFIER_nondet_int() ; [L61] int tmp___10 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] unsigned long __cil_tmp56 ; [L65] unsigned long __cil_tmp57 ; [L66] unsigned long __cil_tmp58 ; [L67] unsigned long __cil_tmp59 ; [L68] int __cil_tmp60 ; [L69] unsigned long __cil_tmp61 ; [L73] s__state = initial_state [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] Time = tmp [L77] cb = 0 [L78] ret = -1 [L79] skip = 0 [L80] got_new_session = 0 [L81] COND FALSE !(s__info_callback != 0) [L84] COND TRUE s__ctx__info_callback != 0 [L85] cb = s__ctx__info_callback [L87] COND TRUE cb != 0 [L670] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 158 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...