./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ea20fb0f404d25ed5e02b80c4bdd9a9a5bdbabb ........................................................................................................................................................................................................................................................................................................................ 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 0.2.0-7b2dab5 [2021-10-11 02:20:38,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:38,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:38,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:38,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:38,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:38,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:38,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:38,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:38,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:38,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:38,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:38,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:38,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:38,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:38,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:38,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:38,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:38,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:38,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:38,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:38,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:38,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:38,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:38,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:38,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:38,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:38,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:38,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:38,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:38,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:38,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:38,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:38,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:38,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:38,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:38,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:38,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:38,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:38,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:38,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:38,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:20:38,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:38,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:38,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:38,401 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:38,401 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:38,401 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:38,402 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:20:38,402 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:38,402 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:38,402 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:20:38,403 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:20:38,403 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:38,403 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:20:38,403 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:20:38,404 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:20:38,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:38,405 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:38,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:38,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:38,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:38,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:38,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:38,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:38,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:38,407 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:38,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:38,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:38,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:38,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:38,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:38,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:38,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:38,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:38,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:38,409 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:20:38,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:20:38,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:38,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:38,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:38,410 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ea20fb0f404d25ed5e02b80c4bdd9a9a5bdbabb [2021-10-11 02:20:38,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:38,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:38,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:38,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:38,711 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:38,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-1.c [2021-10-11 02:20:38,800 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/data/493e5198a/30016f4fe25b49dd87f63c42336a2f39/FLAGb8c22b83d [2021-10-11 02:20:39,312 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:39,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-1.c [2021-10-11 02:20:39,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/data/493e5198a/30016f4fe25b49dd87f63c42336a2f39/FLAGb8c22b83d [2021-10-11 02:20:39,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/data/493e5198a/30016f4fe25b49dd87f63c42336a2f39 [2021-10-11 02:20:39,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:39,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:39,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:39,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:39,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:39,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:39" (1/1) ... [2021-10-11 02:20:39,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4259ac0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:39, skipping insertion in model container [2021-10-11 02:20:39,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:39" (1/1) ... [2021-10-11 02:20:39,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:39,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:39,977 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-1.c[48021,48034] [2021-10-11 02:20:39,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:40,012 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:40,114 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-1.c[48021,48034] [2021-10-11 02:20:40,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:40,139 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:40,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40 WrapperNode [2021-10-11 02:20:40,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:40,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:40,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:40,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:40,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:40,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:40,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:40,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:40,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:40,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:40,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:40,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:40,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:40,483 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:20:41,196 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2021-10-11 02:20:41,197 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2021-10-11 02:20:41,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:41,592 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 02:20:41,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:41 BoogieIcfgContainer [2021-10-11 02:20:41,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:41,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:41,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:41,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:41,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:39" (1/3) ... [2021-10-11 02:20:41,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26fa9cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:41, skipping insertion in model container [2021-10-11 02:20:41,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40" (2/3) ... [2021-10-11 02:20:41,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26fa9cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:41, skipping insertion in model container [2021-10-11 02:20:41,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:41" (3/3) ... [2021-10-11 02:20:41,603 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-1.c [2021-10-11 02:20:41,616 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:41,620 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:20:41,631 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:20:41,655 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:41,655 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:20:41,655 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:41,656 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:41,656 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:41,656 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:41,656 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:41,656 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2021-10-11 02:20:41,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:20:41,697 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:41,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:20:41,698 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:41,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:41,703 INFO L82 PathProgramCache]: Analyzing trace with hash 22652925, now seen corresponding path program 1 times [2021-10-11 02:20:41,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:41,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113883035] [2021-10-11 02:20:41,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:41,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:41,867 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:41,889 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:20:41,890 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:20:41,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:20:41,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:41 BoogieIcfgContainer [2021-10-11 02:20:41,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:20:41,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:20:41,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:20:41,917 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:20:41,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:41" (3/4) ... [2021-10-11 02:20:41,919 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:20:41,984 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_713c8511-4eda-436a-92b8-4807abacb591/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:20:41,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:20:41,986 INFO L168 Benchmark]: Toolchain (without parser) took 2319.99 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 95.0 MB in the beginning and 113.1 MB in the end (delta: -18.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:41,987 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 121.6 MB. Free memory was 77.5 MB in the beginning and 77.5 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:41,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.01 ms. Allocated memory is still 121.6 MB. Free memory was 95.0 MB in the beginning and 91.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:41,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.63 ms. Allocated memory is still 121.6 MB. Free memory was 91.9 MB in the beginning and 88.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:41,989 INFO L168 Benchmark]: Boogie Preprocessor took 57.89 ms. Allocated memory is still 121.6 MB. Free memory was 88.8 MB in the beginning and 86.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:41,989 INFO L168 Benchmark]: RCFGBuilder took 1316.47 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 86.7 MB in the beginning and 73.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:41,990 INFO L168 Benchmark]: TraceAbstraction took 319.17 ms. Allocated memory is still 155.2 MB. Free memory was 72.8 MB in the beginning and 116.3 MB in the end (delta: -43.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:41,990 INFO L168 Benchmark]: Witness Printer took 68.09 ms. Allocated memory is still 155.2 MB. Free memory was 116.3 MB in the beginning and 113.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:41,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 121.6 MB. Free memory was 77.5 MB in the beginning and 77.5 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 473.01 ms. Allocated memory is still 121.6 MB. Free memory was 95.0 MB in the beginning and 91.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.63 ms. Allocated memory is still 121.6 MB. Free memory was 91.9 MB in the beginning and 88.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.89 ms. Allocated memory is still 121.6 MB. Free memory was 88.8 MB in the beginning and 86.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1316.47 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 86.7 MB in the beginning and 73.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 319.17 ms. Allocated memory is still 155.2 MB. Free memory was 72.8 MB in the beginning and 116.3 MB in the end (delta: -43.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 68.09 ms. Allocated memory is still 155.2 MB. Free memory was 116.3 MB in the beginning and 113.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 672]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L677] int s ; [L678] int tmp ; [L682] s = 8464 [L13] int s__info_callback = __VERIFIER_nondet_int() ; [L14] int s__in_handshake = __VERIFIER_nondet_int() ; [L15] int s__state ; [L16] int s__new_session ; [L17] int s__server ; [L18] int s__version = __VERIFIER_nondet_int() ; [L19] int s__type ; [L20] int s__init_num ; [L21] int s__hit = __VERIFIER_nondet_int() ; [L22] int s__rwstate ; [L23] int s__init_buf___0 = 1; [L24] int s__debug = __VERIFIER_nondet_int() ; [L25] int s__shutdown ; [L26] int s__cert = __VERIFIER_nondet_int() ; [L27] int s__options = __VERIFIER_nondet_int() ; [L28] int s__verify_mode = __VERIFIER_nondet_int() ; [L29] int s__session__peer = __VERIFIER_nondet_int() ; [L30] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L31] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L34] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__cert_request ; [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__use_rsa_tmp ; [L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__next_state___0 ; [L41] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L42] int s__session__cipher ; [L43] int buf ; [L44] unsigned long l ; [L45] unsigned long Time ; [L46] unsigned long tmp ; [L47] int cb ; [L48] long num1 = __VERIFIER_nondet_long() ; [L49] int ret ; [L50] int new_state ; [L51] int state ; [L52] int skip ; [L53] int got_new_session ; [L54] int tmp___1 = __VERIFIER_nondet_int() ; [L55] int tmp___2 = __VERIFIER_nondet_int() ; [L56] int tmp___3 = __VERIFIER_nondet_int() ; [L57] int tmp___4 = __VERIFIER_nondet_int() ; [L58] int tmp___5 = __VERIFIER_nondet_int() ; [L59] int tmp___6 = __VERIFIER_nondet_int() ; [L60] int tmp___7 ; [L61] long tmp___8 = __VERIFIER_nondet_long() ; [L62] int tmp___9 = __VERIFIER_nondet_int() ; [L63] int tmp___10 = __VERIFIER_nondet_int() ; [L64] int blastFlag ; [L65] int __cil_tmp55 ; [L66] unsigned long __cil_tmp56 ; [L67] unsigned long __cil_tmp57 ; [L68] unsigned long __cil_tmp58 ; [L69] unsigned long __cil_tmp59 ; [L70] int __cil_tmp60 ; [L71] unsigned long __cil_tmp61 ; [L75] s__state = initial_state [L76] blastFlag = 0 [L77] tmp = __VERIFIER_nondet_int() [L78] Time = tmp [L79] cb = 0 [L80] ret = -1 [L81] skip = 0 [L82] got_new_session = 0 [L83] COND FALSE !(s__info_callback != 0) [L86] COND TRUE s__ctx__info_callback != 0 [L87] cb = s__ctx__info_callback [L89] COND TRUE cb != 0 [L672] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 4 NumberOfCodeBlocks, 4 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...