./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.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_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/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_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/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_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/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 b06f981da6e75898ef47c2c6c1e10d04c20eecfc87b2c2b478f516b0e8867842 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:01:44,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:01:44,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:01:44,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:01:44,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:01:44,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:01:44,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:01:44,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:01:44,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:01:44,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:01:44,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:01:44,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:01:44,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:01:44,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:01:44,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:01:44,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:01:44,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:01:44,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:01:44,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:01:44,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:01:44,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:01:44,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:01:44,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:01:44,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:01:44,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:01:44,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:01:44,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:01:44,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:01:44,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:01:44,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:01:44,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:01:44,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:01:44,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:01:44,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:01:44,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:01:44,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:01:44,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:01:44,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:01:44,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:01:44,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:01:44,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:01:44,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:01:44,493 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:01:44,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:01:44,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:01:44,495 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:01:44,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:01:44,496 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:01:44,496 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:01:44,496 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:01:44,497 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:01:44,497 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:01:44,498 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:01:44,498 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:01:44,498 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:01:44,499 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:01:44,499 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:01:44,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:01:44,500 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:01:44,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:01:44,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:01:44,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:01:44,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:01:44,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:01:44,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:01:44,502 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:01:44,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:01:44,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:01:44,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:01:44,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:01:44,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:01:44,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:01:44,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:01:44,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:01:44,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:01:44,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:01:44,506 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:01:44,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:01:44,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:01:44,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:01:44,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:01:44,507 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_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06f981da6e75898ef47c2c6c1e10d04c20eecfc87b2c2b478f516b0e8867842 [2021-10-24 11:01:44,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:01:44,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:01:44,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:01:44,825 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:01:44,826 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:01:44,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.c [2021-10-24 11:01:44,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/data/53d36b747/6c058bc107f54766bd20eca9d1710039/FLAG4273cee26 [2021-10-24 11:01:45,358 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:01:45,358 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.c [2021-10-24 11:01:45,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/data/53d36b747/6c058bc107f54766bd20eca9d1710039/FLAG4273cee26 [2021-10-24 11:01:45,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/data/53d36b747/6c058bc107f54766bd20eca9d1710039 [2021-10-24 11:01:45,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:01:45,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:01:45,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:01:45,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:01:45,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:01:45,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:45" (1/1) ... [2021-10-24 11:01:45,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452b3a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:45, skipping insertion in model container [2021-10-24 11:01:45,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:45" (1/1) ... [2021-10-24 11:01:45,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:01:45,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:01:46,070 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_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.c[42877,42890] [2021-10-24 11:01:46,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:01:46,104 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:01:46,170 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_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.c[42877,42890] [2021-10-24 11:01:46,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:01:46,187 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:01:46,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46 WrapperNode [2021-10-24 11:01:46,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:01:46,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:01:46,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:01:46,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:01:46,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (1/1) ... [2021-10-24 11:01:46,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (1/1) ... [2021-10-24 11:01:46,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:01:46,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:01:46,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:01:46,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:01:46,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (1/1) ... [2021-10-24 11:01:46,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (1/1) ... [2021-10-24 11:01:46,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (1/1) ... [2021-10-24 11:01:46,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (1/1) ... [2021-10-24 11:01:46,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (1/1) ... [2021-10-24 11:01:46,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (1/1) ... [2021-10-24 11:01:46,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (1/1) ... [2021-10-24 11:01:46,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:01:46,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:01:46,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:01:46,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:01:46,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (1/1) ... [2021-10-24 11:01:46,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:01:46,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:01:46,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:01:46,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:01:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 11:01:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:01:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:01:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:01:46,585 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-24 11:01:47,264 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-24 11:01:47,265 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-24 11:01:47,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:01:47,624 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-24 11:01:47,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:47 BoogieIcfgContainer [2021-10-24 11:01:47,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:01:47,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:01:47,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:01:47,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:01:47,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:01:45" (1/3) ... [2021-10-24 11:01:47,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47346312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:47, skipping insertion in model container [2021-10-24 11:01:47,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:46" (2/3) ... [2021-10-24 11:01:47,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47346312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:47, skipping insertion in model container [2021-10-24 11:01:47,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:47" (3/3) ... [2021-10-24 11:01:47,636 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-2.c [2021-10-24 11:01:47,641 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:01:47,642 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 11:01:47,705 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:01:47,712 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 11:01:47,712 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 11:01:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 104 states have (on average 1.7692307692307692) internal successors, (184), 105 states have internal predecessors, (184), 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 11:01:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-24 11:01:47,739 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:01:47,740 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] [2021-10-24 11:01:47,740 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:01:47,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:01:47,747 INFO L82 PathProgramCache]: Analyzing trace with hash 2003122264, now seen corresponding path program 1 times [2021-10-24 11:01:47,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:01:47,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691926643] [2021-10-24 11:01:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:01:47,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:01:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:01:48,017 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 11:01:48,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:01:48,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691926643] [2021-10-24 11:01:48,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691926643] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:01:48,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:01:48,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 11:01:48,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962536784] [2021-10-24 11:01:48,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:01:48,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:01:48,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:01:48,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:48,042 INFO L87 Difference]: Start difference. First operand has 106 states, 104 states have (on average 1.7692307692307692) internal successors, (184), 105 states have internal predecessors, (184), 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 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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 11:01:48,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:01:48,206 INFO L93 Difference]: Finished difference Result 231 states and 400 transitions. [2021-10-24 11:01:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:01:48,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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 39 [2021-10-24 11:01:48,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:01:48,219 INFO L225 Difference]: With dead ends: 231 [2021-10-24 11:01:48,219 INFO L226 Difference]: Without dead ends: 121 [2021-10-24 11:01:48,223 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:48,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-24 11:01:48,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2021-10-24 11:01:48,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.4745762711864407) internal successors, (174), 118 states have internal predecessors, (174), 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 11:01:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-10-24 11:01:48,287 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 39 [2021-10-24 11:01:48,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:01:48,288 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-10-24 11:01:48,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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 11:01:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-10-24 11:01:48,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-24 11:01:48,293 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:01:48,294 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] [2021-10-24 11:01:48,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 11:01:48,294 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:01:48,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:01:48,299 INFO L82 PathProgramCache]: Analyzing trace with hash 484934755, now seen corresponding path program 1 times [2021-10-24 11:01:48,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:01:48,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447001492] [2021-10-24 11:01:48,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:01:48,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:01:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:01:48,379 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 11:01:48,379 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:01:48,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447001492] [2021-10-24 11:01:48,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447001492] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:01:48,380 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:01:48,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 11:01:48,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288808903] [2021-10-24 11:01:48,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:01:48,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:01:48,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:01:48,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:48,383 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 11:01:48,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:01:48,541 INFO L93 Difference]: Finished difference Result 257 states and 382 transitions. [2021-10-24 11:01:48,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:01:48,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 53 [2021-10-24 11:01:48,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:01:48,548 INFO L225 Difference]: With dead ends: 257 [2021-10-24 11:01:48,548 INFO L226 Difference]: Without dead ends: 140 [2021-10-24 11:01:48,550 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:48,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-24 11:01:48,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-10-24 11:01:48,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.4306569343065694) internal successors, (196), 137 states have internal predecessors, (196), 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 11:01:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 196 transitions. [2021-10-24 11:01:48,578 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 196 transitions. Word has length 53 [2021-10-24 11:01:48,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:01:48,579 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 196 transitions. [2021-10-24 11:01:48,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 11:01:48,580 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions. [2021-10-24 11:01:48,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-24 11:01:48,588 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:01:48,589 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] [2021-10-24 11:01:48,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 11:01:48,590 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:01:48,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:01:48,593 INFO L82 PathProgramCache]: Analyzing trace with hash 23666397, now seen corresponding path program 1 times [2021-10-24 11:01:48,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:01:48,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310930773] [2021-10-24 11:01:48,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:01:48,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:01:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:01:48,767 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 11:01:48,767 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:01:48,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310930773] [2021-10-24 11:01:48,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310930773] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:01:48,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:01:48,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-24 11:01:48,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098193616] [2021-10-24 11:01:48,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:01:48,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:01:48,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:01:48,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:01:48,777 INFO L87 Difference]: Start difference. First operand 138 states and 196 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 11:01:48,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:01:48,989 INFO L93 Difference]: Finished difference Result 319 states and 470 transitions. [2021-10-24 11:01:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:01:48,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 70 [2021-10-24 11:01:48,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:01:48,992 INFO L225 Difference]: With dead ends: 319 [2021-10-24 11:01:48,993 INFO L226 Difference]: Without dead ends: 183 [2021-10-24 11:01:48,996 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:01:48,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-10-24 11:01:49,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 176. [2021-10-24 11:01:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.36) internal successors, (238), 175 states have internal predecessors, (238), 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 11:01:49,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2021-10-24 11:01:49,020 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 70 [2021-10-24 11:01:49,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:01:49,022 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2021-10-24 11:01:49,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 11:01:49,023 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2021-10-24 11:01:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-10-24 11:01:49,027 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:01:49,028 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] [2021-10-24 11:01:49,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 11:01:49,028 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:01:49,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:01:49,030 INFO L82 PathProgramCache]: Analyzing trace with hash 551533015, now seen corresponding path program 1 times [2021-10-24 11:01:49,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:01:49,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107589706] [2021-10-24 11:01:49,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:01:49,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:01:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:01:49,193 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 11:01:49,193 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:01:49,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107589706] [2021-10-24 11:01:49,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107589706] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:01:49,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:01:49,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 11:01:49,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096093751] [2021-10-24 11:01:49,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:01:49,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:01:49,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:01:49,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:49,196 INFO L87 Difference]: Start difference. First operand 176 states and 238 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 11:01:49,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:01:49,330 INFO L93 Difference]: Finished difference Result 383 states and 532 transitions. [2021-10-24 11:01:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:01:49,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 90 [2021-10-24 11:01:49,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:01:49,334 INFO L225 Difference]: With dead ends: 383 [2021-10-24 11:01:49,334 INFO L226 Difference]: Without dead ends: 209 [2021-10-24 11:01:49,336 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:49,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-10-24 11:01:49,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 199. [2021-10-24 11:01:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 198 states have (on average 1.3333333333333333) internal successors, (264), 198 states have internal predecessors, (264), 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 11:01:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 264 transitions. [2021-10-24 11:01:49,352 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 264 transitions. Word has length 90 [2021-10-24 11:01:49,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:01:49,356 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 264 transitions. [2021-10-24 11:01:49,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 11:01:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 264 transitions. [2021-10-24 11:01:49,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-24 11:01:49,359 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:01:49,359 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] [2021-10-24 11:01:49,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-24 11:01:49,360 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:01:49,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:01:49,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1236480025, now seen corresponding path program 1 times [2021-10-24 11:01:49,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:01:49,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197945082] [2021-10-24 11:01:49,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:01:49,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:01:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:01:49,427 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 11:01:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:01:49,557 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 11:01:49,557 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 11:01:49,558 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:01:49,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-24 11:01:49,567 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:01:49,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:01:49 BoogieIcfgContainer [2021-10-24 11:01:49,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:01:49,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:01:49,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:01:49,710 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:01:49,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:47" (3/4) ... [2021-10-24 11:01:49,713 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 11:01:49,824 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:01:49,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:01:49,826 INFO L168 Benchmark]: Toolchain (without parser) took 4078.60 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 63.3 MB in the beginning and 112.5 MB in the end (delta: -49.2 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:49,826 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:01:49,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.60 ms. Allocated memory is still 100.7 MB. Free memory was 63.1 MB in the beginning and 66.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:49,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.44 ms. Allocated memory is still 100.7 MB. Free memory was 66.1 MB in the beginning and 63.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:49,828 INFO L168 Benchmark]: Boogie Preprocessor took 77.81 ms. Allocated memory is still 100.7 MB. Free memory was 63.2 MB in the beginning and 61.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:49,828 INFO L168 Benchmark]: RCFGBuilder took 1296.62 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 61.1 MB in the beginning and 64.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:49,828 INFO L168 Benchmark]: TraceAbstraction took 2080.52 ms. Allocated memory is still 123.7 MB. Free memory was 64.3 MB in the beginning and 47.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:49,829 INFO L168 Benchmark]: Witness Printer took 115.00 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 46.1 MB in the beginning and 112.5 MB in the end (delta: -66.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:49,831 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 100.7 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 439.60 ms. Allocated memory is still 100.7 MB. Free memory was 63.1 MB in the beginning and 66.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.44 ms. Allocated memory is still 100.7 MB. Free memory was 66.1 MB in the beginning and 63.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.81 ms. Allocated memory is still 100.7 MB. Free memory was 63.2 MB in the beginning and 61.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1296.62 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 61.1 MB in the beginning and 64.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2080.52 ms. Allocated memory is still 123.7 MB. Free memory was 64.3 MB in the beginning and 47.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * Witness Printer took 115.00 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 46.1 MB in the beginning and 112.5 MB in the end (delta: -66.4 MB). Peak memory consumption was 10.5 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: 619]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L624] int s ; [L625] int tmp ; [L629] 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 ; [L54] unsigned long l ; [L55] unsigned long Time ; [L56] unsigned long tmp ; [L57] int cb ; [L58] long num1 = __VERIFIER_nondet_long() ; [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 = __VERIFIER_nondet_int() ; [L67] int tmp___4 = __VERIFIER_nondet_int() ; [L68] int tmp___5 = __VERIFIER_nondet_int() ; [L69] int tmp___6 = __VERIFIER_nondet_int() ; [L70] int tmp___7 ; [L71] long tmp___8 = __VERIFIER_nondet_long() ; [L72] int tmp___9 = __VERIFIER_nondet_int() ; [L73] int tmp___10 = __VERIFIER_nondet_int() ; [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] tmp = __VERIFIER_nondet_int() [L88] Time = tmp [L89] cb = 0 [L90] ret = -1 [L91] skip = 0 [L92] got_new_session = 0 [L93] COND TRUE s__info_callback != 0 [L94] cb = s__info_callback [L100] s__in_handshake ++ [L101] COND FALSE !(tmp___1 + 12288) [L106] COND FALSE !(s__cert == 0) [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 8192) [L122] COND FALSE !(s__state == 24576) [L125] COND FALSE !(s__state == 8195) [L128] COND FALSE !(s__state == 8480) [L131] COND FALSE !(s__state == 8481) [L134] COND FALSE !(s__state == 8482) [L137] COND TRUE s__state == 8464 [L283] s__shutdown = 0 [L284] ret = __VERIFIER_nondet_int() [L285] COND TRUE blastFlag == 0 [L286] blastFlag = 1 [L288] COND FALSE !(ret <= 0) [L291] got_new_session = 1 [L292] s__state = 8496 [L293] s__init_num = 0 [L591] COND FALSE !(! s__s3__tmp__reuse_message) [L608] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 8192) [L122] COND FALSE !(s__state == 24576) [L125] COND FALSE !(s__state == 8195) [L128] COND FALSE !(s__state == 8480) [L131] COND FALSE !(s__state == 8481) [L134] COND FALSE !(s__state == 8482) [L137] COND FALSE !(s__state == 8464) [L140] COND FALSE !(s__state == 8465) [L143] COND FALSE !(s__state == 8466) [L146] COND TRUE s__state == 8496 [L297] ret = __VERIFIER_nondet_int() [L298] COND TRUE blastFlag == 1 [L299] blastFlag = 2 [L305] COND FALSE !(ret <= 0) [L308] COND TRUE \read(s__hit) [L309] s__state = 8656 [L313] s__init_num = 0 [L591] COND FALSE !(! s__s3__tmp__reuse_message) [L608] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 8192) [L122] COND FALSE !(s__state == 24576) [L125] COND FALSE !(s__state == 8195) [L128] COND FALSE !(s__state == 8480) [L131] COND FALSE !(s__state == 8481) [L134] COND FALSE !(s__state == 8482) [L137] COND FALSE !(s__state == 8464) [L140] COND FALSE !(s__state == 8465) [L143] COND FALSE !(s__state == 8466) [L146] COND FALSE !(s__state == 8496) [L149] COND FALSE !(s__state == 8497) [L152] COND FALSE !(s__state == 8512) [L155] COND FALSE !(s__state == 8513) [L158] COND FALSE !(s__state == 8528) [L161] COND FALSE !(s__state == 8529) [L164] COND FALSE !(s__state == 8544) [L167] COND FALSE !(s__state == 8545) [L170] COND FALSE !(s__state == 8560) [L173] COND FALSE !(s__state == 8561) [L176] COND FALSE !(s__state == 8448) [L179] COND FALSE !(s__state == 8576) [L182] COND FALSE !(s__state == 8577) [L185] COND FALSE !(s__state == 8592) [L188] COND FALSE !(s__state == 8593) [L191] COND FALSE !(s__state == 8608) [L194] COND FALSE !(s__state == 8609) [L197] COND FALSE !(s__state == 8640) [L200] COND FALSE !(s__state == 8641) [L203] COND TRUE s__state == 8656 [L502] s__session__cipher = s__s3__tmp__new_cipher [L503] COND FALSE !(! tmp___9) [L507] ret = __VERIFIER_nondet_int() [L508] COND TRUE blastFlag == 2 [L509] blastFlag = 3 [L511] COND FALSE !(ret <= 0) [L514] s__state = 8672 [L515] s__init_num = 0 [L516] COND FALSE !(! tmp___10) [L591] COND FALSE !(! s__s3__tmp__reuse_message) [L608] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 8192) [L122] COND FALSE !(s__state == 24576) [L125] COND FALSE !(s__state == 8195) [L128] COND FALSE !(s__state == 8480) [L131] COND FALSE !(s__state == 8481) [L134] COND FALSE !(s__state == 8482) [L137] COND FALSE !(s__state == 8464) [L140] COND FALSE !(s__state == 8465) [L143] COND FALSE !(s__state == 8466) [L146] COND FALSE !(s__state == 8496) [L149] COND FALSE !(s__state == 8497) [L152] COND FALSE !(s__state == 8512) [L155] COND FALSE !(s__state == 8513) [L158] COND FALSE !(s__state == 8528) [L161] COND FALSE !(s__state == 8529) [L164] COND FALSE !(s__state == 8544) [L167] COND FALSE !(s__state == 8545) [L170] COND FALSE !(s__state == 8560) [L173] COND FALSE !(s__state == 8561) [L176] COND FALSE !(s__state == 8448) [L179] COND FALSE !(s__state == 8576) [L182] COND FALSE !(s__state == 8577) [L185] COND FALSE !(s__state == 8592) [L188] COND FALSE !(s__state == 8593) [L191] COND FALSE !(s__state == 8608) [L194] COND FALSE !(s__state == 8609) [L197] COND FALSE !(s__state == 8640) [L200] COND FALSE !(s__state == 8641) [L203] COND FALSE !(s__state == 8656) [L206] COND FALSE !(s__state == 8657) [L209] COND TRUE s__state == 8672 [L523] ret = __VERIFIER_nondet_int() [L524] COND TRUE blastFlag == 3 [L619] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1861.5ms, OverallIterations: 5, TraceHistogramMax: 4, EmptinessCheckTime: 32.4ms, AutomataDifference: 726.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 635 SDtfs, 79 SDslu, 292 SDs, 0 SdLazy, 449 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 393.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred 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: 115.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 45.2ms SsaConstructionTime, 241.3ms SatisfiabilityAnalysisTime, 369.8ms InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 474 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 11:01:49,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1c30eb-1d85-4be4-a9f6-a766ce3b8564/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...