./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE --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 c69093b0512ba0d4bf39ccc3532f445edff7fb8e611a3f56f1b3015e384fa8de ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.2.1-dev-e943c26 [2021-10-24 10:07:24,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:07:24,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:07:24,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:07:24,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:07:24,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:07:24,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:07:24,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:07:24,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:07:24,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:07:24,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:07:24,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:07:24,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:07:24,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:07:24,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:07:24,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:07:24,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:07:24,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:07:24,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:07:24,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:07:24,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:07:24,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:07:24,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:07:24,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:07:24,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:07:24,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:07:24,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:07:24,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:07:24,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:07:24,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:07:24,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:07:24,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:07:24,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:07:24,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:07:24,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:07:24,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:07:24,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:07:24,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:07:24,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:07:24,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:07:24,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:07:24,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:07:24,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:07:24,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:07:24,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:07:24,462 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:07:24,462 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:07:24,463 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:07:24,463 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:07:24,463 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:07:24,469 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:07:24,470 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:07:24,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:07:24,472 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:07:24,472 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:07:24,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:07:24,472 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:07:24,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:07:24,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:07:24,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:07:24,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:07:24,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:07:24,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:07:24,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:07:24,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:07:24,475 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:07:24,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:07:24,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:07:24,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:07:24,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:07:24,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:07:24,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:07:24,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:07:24,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:07:24,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:07:24,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:07:24,480 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:07:24,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:07:24,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:07:24,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:07:24,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:07:24,482 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_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c69093b0512ba0d4bf39ccc3532f445edff7fb8e611a3f56f1b3015e384fa8de [2021-10-24 10:07:24,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:07:24,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:07:24,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:07:24,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:07:24,863 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:07:24,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c [2021-10-24 10:07:24,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/data/2d8472ecf/0f379935b56b408085b0bcab73a7ea32/FLAG12e49a224 [2021-10-24 10:07:25,498 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:07:25,499 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c [2021-10-24 10:07:25,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/data/2d8472ecf/0f379935b56b408085b0bcab73a7ea32/FLAG12e49a224 [2021-10-24 10:07:25,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/data/2d8472ecf/0f379935b56b408085b0bcab73a7ea32 [2021-10-24 10:07:25,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:07:25,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:07:25,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:07:25,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:07:25,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:07:25,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:07:25" (1/1) ... [2021-10-24 10:07:25,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fbcbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:25, skipping insertion in model container [2021-10-24 10:07:25,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:07:25" (1/1) ... [2021-10-24 10:07:25,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:07:25,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:07:26,182 WARN L228 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_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c[43309,43322] [2021-10-24 10:07:26,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:07:26,201 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:07:26,261 WARN L228 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_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c[43309,43322] [2021-10-24 10:07:26,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:07:26,279 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:07:26,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26 WrapperNode [2021-10-24 10:07:26,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:07:26,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:07:26,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:07:26,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:07:26,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (1/1) ... [2021-10-24 10:07:26,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (1/1) ... [2021-10-24 10:07:26,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:07:26,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:07:26,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:07:26,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:07:26,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (1/1) ... [2021-10-24 10:07:26,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (1/1) ... [2021-10-24 10:07:26,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (1/1) ... [2021-10-24 10:07:26,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (1/1) ... [2021-10-24 10:07:26,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (1/1) ... [2021-10-24 10:07:26,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (1/1) ... [2021-10-24 10:07:26,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (1/1) ... [2021-10-24 10:07:26,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:07:26,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:07:26,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:07:26,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:07:26,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (1/1) ... [2021-10-24 10:07:26,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:07:26,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:07:26,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:07:26,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:07:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 10:07:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:07:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:07:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:07:26,652 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-24 10:07:27,278 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-24 10:07:27,278 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-24 10:07:27,598 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:07:27,598 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-24 10:07:27,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:07:27 BoogieIcfgContainer [2021-10-24 10:07:27,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:07:27,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:07:27,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:07:27,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:07:27,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:07:25" (1/3) ... [2021-10-24 10:07:27,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b86f39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:07:27, skipping insertion in model container [2021-10-24 10:07:27,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:07:26" (2/3) ... [2021-10-24 10:07:27,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b86f39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:07:27, skipping insertion in model container [2021-10-24 10:07:27,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:07:27" (3/3) ... [2021-10-24 10:07:27,609 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.cil-1.c [2021-10-24 10:07:27,618 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:07:27,618 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 10:07:27,684 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:07:27,694 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:07:27,695 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 10:07:27,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 105 states have (on average 1.7619047619047619) internal successors, (185), 106 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:27,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-24 10:07:27,720 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:07:27,721 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:07:27,722 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:07:27,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:07:27,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1296918086, now seen corresponding path program 1 times [2021-10-24 10:07:27,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:07:27,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50932331] [2021-10-24 10:07:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:07:27,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:07:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:07:27,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:07:27,933 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:07:27,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50932331] [2021-10-24 10:07:27,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50932331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:07:27,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:07:27,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 10:07:27,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075501215] [2021-10-24 10:07:27,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:07:27,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:07:27,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:07:27,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:07:27,957 INFO L87 Difference]: Start difference. First operand has 107 states, 105 states have (on average 1.7619047619047619) internal successors, (185), 106 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:28,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:07:28,136 INFO L93 Difference]: Finished difference Result 233 states and 402 transitions. [2021-10-24 10:07:28,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:07:28,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-10-24 10:07:28,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:07:28,149 INFO L225 Difference]: With dead ends: 233 [2021-10-24 10:07:28,149 INFO L226 Difference]: Without dead ends: 122 [2021-10-24 10:07:28,152 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:07:28,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-24 10:07:28,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2021-10-24 10:07:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 119 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:28,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions. [2021-10-24 10:07:28,196 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 40 [2021-10-24 10:07:28,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:07:28,197 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 176 transitions. [2021-10-24 10:07:28,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2021-10-24 10:07:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-24 10:07:28,200 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:07:28,200 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:07:28,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 10:07:28,201 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:07:28,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:07:28,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1452382833, now seen corresponding path program 1 times [2021-10-24 10:07:28,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:07:28,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102421366] [2021-10-24 10:07:28,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:07:28,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:07:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:07:28,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:07:28,343 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:07:28,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102421366] [2021-10-24 10:07:28,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102421366] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:07:28,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:07:28,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:07:28,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870322421] [2021-10-24 10:07:28,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:07:28,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:07:28,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:07:28,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:07:28,349 INFO L87 Difference]: Start difference. First operand 120 states and 176 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:28,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:07:28,518 INFO L93 Difference]: Finished difference Result 259 states and 386 transitions. [2021-10-24 10:07:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:07:28,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-24 10:07:28,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:07:28,527 INFO L225 Difference]: With dead ends: 259 [2021-10-24 10:07:28,528 INFO L226 Difference]: Without dead ends: 141 [2021-10-24 10:07:28,530 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:07:28,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-24 10:07:28,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2021-10-24 10:07:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.434782608695652) internal successors, (198), 138 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 198 transitions. [2021-10-24 10:07:28,558 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 198 transitions. Word has length 54 [2021-10-24 10:07:28,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:07:28,559 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 198 transitions. [2021-10-24 10:07:28,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 198 transitions. [2021-10-24 10:07:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-24 10:07:28,569 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:07:28,569 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:07:28,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 10:07:28,571 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:07:28,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:07:28,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1866683739, now seen corresponding path program 1 times [2021-10-24 10:07:28,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:07:28,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76431979] [2021-10-24 10:07:28,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:07:28,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:07:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:07:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-24 10:07:28,731 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:07:28,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76431979] [2021-10-24 10:07:28,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76431979] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:07:28,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:07:28,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-24 10:07:28,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454248852] [2021-10-24 10:07:28,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:07:28,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:07:28,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:07:28,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:07:28,734 INFO L87 Difference]: Start difference. First operand 139 states and 198 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:28,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:07:28,965 INFO L93 Difference]: Finished difference Result 321 states and 474 transitions. [2021-10-24 10:07:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:07:28,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-10-24 10:07:28,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:07:28,969 INFO L225 Difference]: With dead ends: 321 [2021-10-24 10:07:28,969 INFO L226 Difference]: Without dead ends: 184 [2021-10-24 10:07:28,973 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:07:28,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-10-24 10:07:29,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 177. [2021-10-24 10:07:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 176 states have (on average 1.3636363636363635) internal successors, (240), 176 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions. [2021-10-24 10:07:29,002 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 240 transitions. Word has length 71 [2021-10-24 10:07:29,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:07:29,003 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 240 transitions. [2021-10-24 10:07:29,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions. [2021-10-24 10:07:29,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-24 10:07:29,006 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:07:29,006 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:07:29,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 10:07:29,006 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:07:29,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:07:29,007 INFO L82 PathProgramCache]: Analyzing trace with hash -655057034, now seen corresponding path program 1 times [2021-10-24 10:07:29,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:07:29,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672012796] [2021-10-24 10:07:29,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:07:29,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:07:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:07:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-24 10:07:29,112 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:07:29,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672012796] [2021-10-24 10:07:29,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672012796] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:07:29,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:07:29,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:07:29,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762474597] [2021-10-24 10:07:29,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:07:29,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:07:29,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:07:29,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:07:29,115 INFO L87 Difference]: Start difference. First operand 177 states and 240 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:29,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:07:29,253 INFO L93 Difference]: Finished difference Result 385 states and 536 transitions. [2021-10-24 10:07:29,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:07:29,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-10-24 10:07:29,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:07:29,258 INFO L225 Difference]: With dead ends: 385 [2021-10-24 10:07:29,258 INFO L226 Difference]: Without dead ends: 210 [2021-10-24 10:07:29,261 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:07:29,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-10-24 10:07:29,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 200. [2021-10-24 10:07:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.3366834170854272) internal successors, (266), 199 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 266 transitions. [2021-10-24 10:07:29,281 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 266 transitions. Word has length 91 [2021-10-24 10:07:29,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:07:29,282 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 266 transitions. [2021-10-24 10:07:29,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:07:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 266 transitions. [2021-10-24 10:07:29,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-24 10:07:29,286 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:07:29,286 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:07:29,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-24 10:07:29,287 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:07:29,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:07:29,287 INFO L82 PathProgramCache]: Analyzing trace with hash 761296526, now seen corresponding path program 1 times [2021-10-24 10:07:29,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:07:29,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491979073] [2021-10-24 10:07:29,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:07:29,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:07:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:07:29,331 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:07:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:07:29,427 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 10:07:29,427 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:07:29,428 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:07:29,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-24 10:07:29,438 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:07:29,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:07:29 BoogieIcfgContainer [2021-10-24 10:07:29,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:07:29,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:07:29,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:07:29,574 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:07:29,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:07:27" (3/4) ... [2021-10-24 10:07:29,576 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:07:29,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:07:29,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:07:29,691 INFO L168 Benchmark]: Toolchain (without parser) took 3848.10 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 49.5 MB in the beginning and 62.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:07:29,692 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:07:29,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.34 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 49.3 MB in the beginning and 76.3 MB in the end (delta: -26.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:07:29,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.27 ms. Allocated memory is still 104.9 MB. Free memory was 76.3 MB in the beginning and 73.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:07:29,694 INFO L168 Benchmark]: Boogie Preprocessor took 66.11 ms. Allocated memory is still 104.9 MB. Free memory was 73.3 MB in the beginning and 71.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:07:29,694 INFO L168 Benchmark]: RCFGBuilder took 1174.38 ms. Allocated memory is still 104.9 MB. Free memory was 71.2 MB in the beginning and 58.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:07:29,694 INFO L168 Benchmark]: TraceAbstraction took 1970.75 ms. Allocated memory is still 104.9 MB. Free memory was 57.7 MB in the beginning and 74.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:07:29,695 INFO L168 Benchmark]: Witness Printer took 116.18 ms. Allocated memory is still 104.9 MB. Free memory was 74.9 MB in the beginning and 62.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:07:29,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 436.34 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 49.3 MB in the beginning and 76.3 MB in the end (delta: -26.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.27 ms. Allocated memory is still 104.9 MB. Free memory was 76.3 MB in the beginning and 73.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.11 ms. Allocated memory is still 104.9 MB. Free memory was 73.3 MB in the beginning and 71.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1174.38 ms. Allocated memory is still 104.9 MB. Free memory was 71.2 MB in the beginning and 58.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1970.75 ms. Allocated memory is still 104.9 MB. Free memory was 57.7 MB in the beginning and 74.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * Witness Printer took 116.18 ms. Allocated memory is still 104.9 MB. Free memory was 74.9 MB in the beginning and 62.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 623]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L628] int s ; [L629] int tmp ; [L633] s = 8464 [L23] int s__info_callback = __VERIFIER_nondet_int() ; [L24] int s__in_handshake = __VERIFIER_nondet_int() ; [L25] int s__state ; [L26] int s__new_session ; [L27] int s__server ; [L28] int s__version = __VERIFIER_nondet_int() ; [L29] int s__type ; [L30] int s__init_num ; [L31] int s__hit = __VERIFIER_nondet_int() ; [L32] int s__rwstate ; [L33] int s__init_buf___0 = 1; [L34] int s__debug = __VERIFIER_nondet_int() ; [L35] int s__shutdown ; [L36] int s__cert = __VERIFIER_nondet_int() ; [L37] int s__options = __VERIFIER_nondet_int() ; [L38] int s__verify_mode = __VERIFIER_nondet_int() ; [L39] int s__session__peer = __VERIFIER_nondet_int() ; [L40] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L41] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L42] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L43] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L44] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L45] int s__s3__tmp__cert_request ; [L46] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L47] int s__s3__tmp__use_rsa_tmp ; [L48] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L49] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L50] int s__s3__tmp__next_state___0 ; [L51] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L52] int s__session__cipher ; [L53] int buf = __VERIFIER_nondet_int() ; [L54] unsigned long l ; [L55] unsigned long Time ; [L56] unsigned long tmp = __VERIFIER_nondet_long() ; [L57] int cb ; [L58] long num1 ; [L59] int ret ; [L60] int new_state ; [L61] int state ; [L62] int skip ; [L63] int got_new_session ; [L64] int tmp___1 = __VERIFIER_nondet_int() ; [L65] int tmp___2 = __VERIFIER_nondet_int() ; [L66] int tmp___3 ; [L67] int tmp___4 ; [L68] int tmp___5 ; [L69] int tmp___6 ; [L70] int tmp___7 ; [L71] long tmp___8 = __VERIFIER_nondet_long() ; [L72] int tmp___9 ; [L73] int tmp___10 ; [L74] int blastFlag ; [L75] int __cil_tmp55 ; [L76] unsigned long __cil_tmp56 ; [L77] unsigned long __cil_tmp57 ; [L78] unsigned long __cil_tmp58 ; [L79] unsigned long __cil_tmp59 ; [L80] int __cil_tmp60 ; [L81] unsigned long __cil_tmp61 ; [L85] s__state = initial_state [L86] blastFlag = 0 [L87] Time = tmp [L88] cb = 0 [L89] ret = -1 [L90] skip = 0 [L91] got_new_session = 0 [L92] COND TRUE s__info_callback != 0 [L93] cb = s__info_callback [L99] s__in_handshake ++ [L100] COND FALSE !(tmp___1 + 12288) [L105] COND FALSE !(s__cert == 0) [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND TRUE s__state == 8464 [L280] s__shutdown = 0 [L281] ret = __VERIFIER_nondet_int() [L282] COND TRUE blastFlag == 0 [L283] blastFlag = 1 [L285] COND FALSE !(ret <= 0) [L288] got_new_session = 1 [L289] s__state = 8496 [L290] s__init_num = 0 [L595] COND FALSE !(! s__s3__tmp__reuse_message) [L612] skip = 0 [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND FALSE !(s__state == 8464) [L139] COND FALSE !(s__state == 8465) [L142] COND FALSE !(s__state == 8466) [L145] COND TRUE s__state == 8496 [L294] ret = __VERIFIER_nondet_int() [L295] COND TRUE blastFlag == 1 [L296] blastFlag = 2 [L298] COND FALSE !(ret <= 0) [L301] COND TRUE \read(s__hit) [L302] s__state = 8656 [L306] s__init_num = 0 [L595] COND FALSE !(! s__s3__tmp__reuse_message) [L612] skip = 0 [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND FALSE !(s__state == 8464) [L139] COND FALSE !(s__state == 8465) [L142] COND FALSE !(s__state == 8466) [L145] COND FALSE !(s__state == 8496) [L148] COND FALSE !(s__state == 8497) [L151] COND FALSE !(s__state == 8512) [L154] COND FALSE !(s__state == 8513) [L157] COND FALSE !(s__state == 8528) [L160] COND FALSE !(s__state == 8529) [L163] COND FALSE !(s__state == 8544) [L166] COND FALSE !(s__state == 8545) [L169] COND FALSE !(s__state == 8560) [L172] COND FALSE !(s__state == 8561) [L175] COND FALSE !(s__state == 8448) [L178] COND FALSE !(s__state == 8576) [L181] COND FALSE !(s__state == 8577) [L184] COND FALSE !(s__state == 8592) [L187] COND FALSE !(s__state == 8593) [L190] COND FALSE !(s__state == 8608) [L193] COND FALSE !(s__state == 8609) [L196] COND FALSE !(s__state == 8640) [L199] COND FALSE !(s__state == 8641) [L202] COND TRUE s__state == 8656 [L500] s__session__cipher = s__s3__tmp__new_cipher [L501] tmp___9 = __VERIFIER_nondet_int() [L502] COND FALSE !(! tmp___9) [L506] ret = __VERIFIER_nondet_int() [L507] COND TRUE blastFlag == 2 [L508] blastFlag = 3 [L510] COND FALSE !(ret <= 0) [L513] s__state = 8672 [L514] s__init_num = 0 [L515] tmp___10 = __VERIFIER_nondet_int() [L516] COND FALSE !(! tmp___10) [L595] COND FALSE !(! s__s3__tmp__reuse_message) [L612] skip = 0 [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND FALSE !(s__state == 8464) [L139] COND FALSE !(s__state == 8465) [L142] COND FALSE !(s__state == 8466) [L145] COND FALSE !(s__state == 8496) [L148] COND FALSE !(s__state == 8497) [L151] COND FALSE !(s__state == 8512) [L154] COND FALSE !(s__state == 8513) [L157] COND FALSE !(s__state == 8528) [L160] COND FALSE !(s__state == 8529) [L163] COND FALSE !(s__state == 8544) [L166] COND FALSE !(s__state == 8545) [L169] COND FALSE !(s__state == 8560) [L172] COND FALSE !(s__state == 8561) [L175] COND FALSE !(s__state == 8448) [L178] COND FALSE !(s__state == 8576) [L181] COND FALSE !(s__state == 8577) [L184] COND FALSE !(s__state == 8592) [L187] COND FALSE !(s__state == 8593) [L190] COND FALSE !(s__state == 8608) [L193] COND FALSE !(s__state == 8609) [L196] COND FALSE !(s__state == 8640) [L199] COND FALSE !(s__state == 8641) [L202] COND FALSE !(s__state == 8656) [L205] COND FALSE !(s__state == 8657) [L208] COND TRUE s__state == 8672 [L523] ret = __VERIFIER_nondet_int() [L524] COND FALSE !(blastFlag == 4) [L527] COND TRUE blastFlag == 3 [L623] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1753.6ms, OverallIterations: 5, TraceHistogramMax: 4, EmptinessCheckTime: 30.2ms, AutomataDifference: 777.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 642 SDtfs, 76 SDslu, 361 SDs, 0 SdLazy, 535 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 424.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 106.7ms AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 40.6ms SsaConstructionTime, 206.1ms SatisfiabilityAnalysisTime, 318.8ms InterpolantComputationTime, 365 NumberOfCodeBlocks, 365 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 122/122 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! [2021-10-24 10:07:29,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f55ad9b-7556-4c25-8a2b-c6d5d5e2c922/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...