./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7 --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 c3fe517c51c5e8fb31577c2325f977891c14909f163a953939dc0a15f16ec6d9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:52:19,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:52:19,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:52:19,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:52:19,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:52:19,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:52:19,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:52:19,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:52:19,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:52:19,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:52:19,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:52:19,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:52:19,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:52:19,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:52:19,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:52:19,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:52:19,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:52:19,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:52:19,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:52:19,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:52:19,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:52:19,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:52:19,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:52:19,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:52:19,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:52:19,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:52:19,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:52:19,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:52:19,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:52:19,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:52:19,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:52:19,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:52:19,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:52:19,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:52:19,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:52:19,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:52:19,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:52:19,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:52:19,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:52:19,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:52:19,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:52:19,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:52:19,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:52:19,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:52:19,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:52:19,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:52:19,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:52:19,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:52:19,424 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:52:19,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:52:19,424 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:52:19,425 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:52:19,426 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:52:19,426 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:52:19,426 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:52:19,426 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:52:19,427 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:52:19,427 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:52:19,427 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:52:19,427 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:52:19,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:52:19,428 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:52:19,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:52:19,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:52:19,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:52:19,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:52:19,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:52:19,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:52:19,431 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:52:19,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:52:19,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:52:19,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:52:19,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:52:19,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:52:19,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:52:19,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:52:19,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:52:19,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:52:19,434 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:52:19,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:52:19,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:52:19,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:52:19,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:52:19,435 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_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3fe517c51c5e8fb31577c2325f977891c14909f163a953939dc0a15f16ec6d9 [2021-11-25 19:52:19,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:52:19,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:52:19,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:52:19,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:52:19,697 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:52:19,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-11-25 19:52:19,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/data/5a16e6b25/5a2742f4f3f642c898015112d373574b/FLAGdc0c4b547 [2021-11-25 19:52:20,455 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:52:20,455 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-11-25 19:52:20,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/data/5a16e6b25/5a2742f4f3f642c898015112d373574b/FLAGdc0c4b547 [2021-11-25 19:52:20,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/data/5a16e6b25/5a2742f4f3f642c898015112d373574b [2021-11-25 19:52:20,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:52:20,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:52:20,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:52:20,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:52:20,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:52:20,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:52:20" (1/1) ... [2021-11-25 19:52:20,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce6464d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20, skipping insertion in model container [2021-11-25 19:52:20,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:52:20" (1/1) ... [2021-11-25 19:52:20,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:52:20,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:52:21,160 WARN L230 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_00170170-f97b-464e-b416-24195928afa1/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[72493,72506] [2021-11-25 19:52:21,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:52:21,183 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:52:21,349 WARN L230 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_00170170-f97b-464e-b416-24195928afa1/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[72493,72506] [2021-11-25 19:52:21,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:52:21,380 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:52:21,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21 WrapperNode [2021-11-25 19:52:21,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:52:21,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:52:21,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:52:21,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:52:21,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (1/1) ... [2021-11-25 19:52:21,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (1/1) ... [2021-11-25 19:52:21,502 INFO L137 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 782 [2021-11-25 19:52:21,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:52:21,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:52:21,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:52:21,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:52:21,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (1/1) ... [2021-11-25 19:52:21,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (1/1) ... [2021-11-25 19:52:21,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (1/1) ... [2021-11-25 19:52:21,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (1/1) ... [2021-11-25 19:52:21,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (1/1) ... [2021-11-25 19:52:21,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (1/1) ... [2021-11-25 19:52:21,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (1/1) ... [2021-11-25 19:52:21,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:52:21,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:52:21,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:52:21,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:52:21,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (1/1) ... [2021-11-25 19:52:21,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:52:21,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:52:21,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:52:21,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:52:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:52:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:52:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:52:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:52:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:52:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:52:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:52:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:52:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:52:21,903 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:52:21,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:52:21,954 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:52:24,893 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-25 19:52:24,893 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-25 19:52:24,893 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:52:25,303 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:52:25,303 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 19:52:25,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:25 BoogieIcfgContainer [2021-11-25 19:52:25,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:52:25,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:52:25,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:52:25,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:52:25,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:52:20" (1/3) ... [2021-11-25 19:52:25,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf6211a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:52:25, skipping insertion in model container [2021-11-25 19:52:25,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:21" (2/3) ... [2021-11-25 19:52:25,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf6211a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:52:25, skipping insertion in model container [2021-11-25 19:52:25,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:25" (3/3) ... [2021-11-25 19:52:25,314 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.03.i.cil.c [2021-11-25 19:52:25,320 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:52:25,320 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:52:25,382 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:52:25,392 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 [2021-11-25 19:52:25,392 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:52:25,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 106 states have (on average 1.7547169811320755) internal successors, (186), 107 states have internal predecessors, (186), 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) [2021-11-25 19:52:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 19:52:25,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:25,433 INFO L514 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] [2021-11-25 19:52:25,433 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:25,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:25,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1252746160, now seen corresponding path program 1 times [2021-11-25 19:52:25,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:25,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133678890] [2021-11-25 19:52:25,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:25,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:26,177 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:26,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133678890] [2021-11-25 19:52:26,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133678890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:26,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:26,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:26,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915820783] [2021-11-25 19:52:26,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:26,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:26,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:26,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:26,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:26,225 INFO L87 Difference]: Start difference. First operand has 108 states, 106 states have (on average 1.7547169811320755) internal successors, (186), 107 states have internal predecessors, (186), 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 4 states, 4 states have (on average 9.75) internal successors, (39), 3 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) [2021-11-25 19:52:28,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:28,734 INFO L93 Difference]: Finished difference Result 239 states and 412 transitions. [2021-11-25 19:52:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:28,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 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 [2021-11-25 19:52:28,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:28,747 INFO L225 Difference]: With dead ends: 239 [2021-11-25 19:52:28,747 INFO L226 Difference]: Without dead ends: 127 [2021-11-25 19:52:28,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:28,761 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 20 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:28,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 393 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 154 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:52:28,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-25 19:52:28,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2021-11-25 19:52:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5350877192982457) internal successors, (175), 114 states have internal predecessors, (175), 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) [2021-11-25 19:52:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 175 transitions. [2021-11-25 19:52:28,804 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 175 transitions. Word has length 39 [2021-11-25 19:52:28,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:28,804 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 175 transitions. [2021-11-25 19:52:28,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 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) [2021-11-25 19:52:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 175 transitions. [2021-11-25 19:52:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 19:52:28,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:28,807 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:28,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:52:28,808 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:28,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:28,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1504751990, now seen corresponding path program 1 times [2021-11-25 19:52:28,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:28,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005913866] [2021-11-25 19:52:28,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:28,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:29,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:29,093 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:29,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005913866] [2021-11-25 19:52:29,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005913866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:29,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:29,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:29,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843897614] [2021-11-25 19:52:29,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:29,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:29,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:29,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:29,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:29,099 INFO L87 Difference]: Start difference. First operand 115 states and 175 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-25 19:52:31,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:31,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:31,481 INFO L93 Difference]: Finished difference Result 230 states and 344 transitions. [2021-11-25 19:52:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:31,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-25 19:52:31,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:31,484 INFO L225 Difference]: With dead ends: 230 [2021-11-25 19:52:31,484 INFO L226 Difference]: Without dead ends: 127 [2021-11-25 19:52:31,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:31,487 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 19 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:31,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 325 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 142 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:52:31,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-25 19:52:31,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2021-11-25 19:52:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5263157894736843) internal successors, (174), 114 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) [2021-11-25 19:52:31,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 174 transitions. [2021-11-25 19:52:31,515 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 174 transitions. Word has length 49 [2021-11-25 19:52:31,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:31,515 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 174 transitions. [2021-11-25 19:52:31,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-25 19:52:31,516 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 174 transitions. [2021-11-25 19:52:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 19:52:31,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:31,520 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:31,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:52:31,521 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:31,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:31,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2032279858, now seen corresponding path program 1 times [2021-11-25 19:52:31,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:31,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809661524] [2021-11-25 19:52:31,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:31,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:31,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:31,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809661524] [2021-11-25 19:52:31,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809661524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:31,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:31,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:31,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113038324] [2021-11-25 19:52:31,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:31,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:31,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:31,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:31,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:31,759 INFO L87 Difference]: Start difference. First operand 115 states and 174 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-11-25 19:52:33,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:34,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:34,250 INFO L93 Difference]: Finished difference Result 318 states and 481 transitions. [2021-11-25 19:52:34,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:34,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2021-11-25 19:52:34,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:34,253 INFO L225 Difference]: With dead ends: 318 [2021-11-25 19:52:34,253 INFO L226 Difference]: Without dead ends: 215 [2021-11-25 19:52:34,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:34,256 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 117 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:34,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 221 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 225 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:52:34,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-25 19:52:34,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 125. [2021-11-25 19:52:34,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.5080645161290323) internal successors, (187), 124 states have internal predecessors, (187), 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) [2021-11-25 19:52:34,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 187 transitions. [2021-11-25 19:52:34,271 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 187 transitions. Word has length 50 [2021-11-25 19:52:34,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:34,272 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 187 transitions. [2021-11-25 19:52:34,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-11-25 19:52:34,272 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 187 transitions. [2021-11-25 19:52:34,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 19:52:34,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:34,274 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:34,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:52:34,275 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:34,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:34,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1154799862, now seen corresponding path program 1 times [2021-11-25 19:52:34,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:34,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134142736] [2021-11-25 19:52:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:34,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:34,465 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:34,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134142736] [2021-11-25 19:52:34,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134142736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:34,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:34,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:34,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351992862] [2021-11-25 19:52:34,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:34,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:34,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:34,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:34,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:34,475 INFO L87 Difference]: Start difference. First operand 125 states and 187 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-25 19:52:36,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:36,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:36,833 INFO L93 Difference]: Finished difference Result 250 states and 370 transitions. [2021-11-25 19:52:36,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:36,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-25 19:52:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:36,836 INFO L225 Difference]: With dead ends: 250 [2021-11-25 19:52:36,836 INFO L226 Difference]: Without dead ends: 137 [2021-11-25 19:52:36,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:36,840 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 15 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:36,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 324 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 143 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:52:36,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-25 19:52:36,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 125. [2021-11-25 19:52:36,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.5) internal successors, (186), 124 states have internal predecessors, (186), 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) [2021-11-25 19:52:36,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 186 transitions. [2021-11-25 19:52:36,854 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 186 transitions. Word has length 51 [2021-11-25 19:52:36,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:36,854 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 186 transitions. [2021-11-25 19:52:36,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-25 19:52:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2021-11-25 19:52:36,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 19:52:36,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:36,857 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2021-11-25 19:52:36,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:52:36,858 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:36,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1685242938, now seen corresponding path program 1 times [2021-11-25 19:52:36,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:36,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051144161] [2021-11-25 19:52:36,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:36,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:37,040 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:37,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051144161] [2021-11-25 19:52:37,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051144161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:37,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:37,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:37,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100557929] [2021-11-25 19:52:37,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:37,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:37,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:37,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:37,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:37,043 INFO L87 Difference]: Start difference. First operand 125 states and 186 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-25 19:52:39,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:39,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:39,325 INFO L93 Difference]: Finished difference Result 250 states and 369 transitions. [2021-11-25 19:52:39,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:39,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-25 19:52:39,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:39,328 INFO L225 Difference]: With dead ends: 250 [2021-11-25 19:52:39,328 INFO L226 Difference]: Without dead ends: 137 [2021-11-25 19:52:39,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:39,330 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 11 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:39,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 324 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 143 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:52:39,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-25 19:52:39,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 125. [2021-11-25 19:52:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.4919354838709677) internal successors, (185), 124 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) [2021-11-25 19:52:39,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 185 transitions. [2021-11-25 19:52:39,341 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 185 transitions. Word has length 51 [2021-11-25 19:52:39,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:39,342 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 185 transitions. [2021-11-25 19:52:39,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-25 19:52:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2021-11-25 19:52:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 19:52:39,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:39,344 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:52:39,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:52:39,345 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:39,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:39,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1341438486, now seen corresponding path program 1 times [2021-11-25 19:52:39,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:39,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317146331] [2021-11-25 19:52:39,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:39,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:39,511 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:39,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317146331] [2021-11-25 19:52:39,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317146331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:39,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:39,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:39,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667040819] [2021-11-25 19:52:39,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:39,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:39,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:39,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:39,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:39,514 INFO L87 Difference]: Start difference. First operand 125 states and 185 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-25 19:52:41,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:41,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:41,854 INFO L93 Difference]: Finished difference Result 250 states and 368 transitions. [2021-11-25 19:52:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:41,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-25 19:52:41,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:41,857 INFO L225 Difference]: With dead ends: 250 [2021-11-25 19:52:41,857 INFO L226 Difference]: Without dead ends: 137 [2021-11-25 19:52:41,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:41,859 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 9 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:41,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 325 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 142 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:52:41,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-25 19:52:41,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 125. [2021-11-25 19:52:41,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.4838709677419355) internal successors, (184), 124 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) [2021-11-25 19:52:41,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 184 transitions. [2021-11-25 19:52:41,870 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 184 transitions. Word has length 51 [2021-11-25 19:52:41,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:41,870 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 184 transitions. [2021-11-25 19:52:41,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-25 19:52:41,871 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 184 transitions. [2021-11-25 19:52:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 19:52:41,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:41,873 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1] [2021-11-25 19:52:41,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:52:41,873 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:41,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:41,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1490203458, now seen corresponding path program 1 times [2021-11-25 19:52:41,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:41,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058893919] [2021-11-25 19:52:41,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:41,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:42,021 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:42,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058893919] [2021-11-25 19:52:42,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058893919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:42,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:42,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:42,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418849323] [2021-11-25 19:52:42,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:42,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:42,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:42,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:42,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:42,024 INFO L87 Difference]: Start difference. First operand 125 states and 184 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-25 19:52:44,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:44,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:44,336 INFO L93 Difference]: Finished difference Result 248 states and 365 transitions. [2021-11-25 19:52:44,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:44,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2021-11-25 19:52:44,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:44,339 INFO L225 Difference]: With dead ends: 248 [2021-11-25 19:52:44,339 INFO L226 Difference]: Without dead ends: 135 [2021-11-25 19:52:44,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:44,341 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 9 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:44,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 328 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:52:44,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-25 19:52:44,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 125. [2021-11-25 19:52:44,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.4758064516129032) internal successors, (183), 124 states have internal predecessors, (183), 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) [2021-11-25 19:52:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 183 transitions. [2021-11-25 19:52:44,350 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 183 transitions. Word has length 52 [2021-11-25 19:52:44,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:44,351 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 183 transitions. [2021-11-25 19:52:44,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-25 19:52:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2021-11-25 19:52:44,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 19:52:44,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:44,353 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:44,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:52:44,353 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:44,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:44,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1344492951, now seen corresponding path program 1 times [2021-11-25 19:52:44,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:44,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517416561] [2021-11-25 19:52:44,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:44,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:44,552 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:44,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517416561] [2021-11-25 19:52:44,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517416561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:44,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:44,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:44,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469754881] [2021-11-25 19:52:44,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:44,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:44,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:44,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:44,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:44,556 INFO L87 Difference]: Start difference. First operand 125 states and 183 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-25 19:52:46,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:46,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:46,838 INFO L93 Difference]: Finished difference Result 248 states and 364 transitions. [2021-11-25 19:52:46,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:46,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2021-11-25 19:52:46,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:46,841 INFO L225 Difference]: With dead ends: 248 [2021-11-25 19:52:46,841 INFO L226 Difference]: Without dead ends: 135 [2021-11-25 19:52:46,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:46,842 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 11 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:46,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 328 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:52:46,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-25 19:52:46,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 125. [2021-11-25 19:52:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.467741935483871) internal successors, (182), 124 states have internal predecessors, (182), 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) [2021-11-25 19:52:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 182 transitions. [2021-11-25 19:52:46,854 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 182 transitions. Word has length 52 [2021-11-25 19:52:46,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:46,855 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 182 transitions. [2021-11-25 19:52:46,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-25 19:52:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 182 transitions. [2021-11-25 19:52:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 19:52:46,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:46,856 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:46,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:52:46,857 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:46,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:46,858 INFO L85 PathProgramCache]: Analyzing trace with hash -256813307, now seen corresponding path program 1 times [2021-11-25 19:52:46,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:46,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88549673] [2021-11-25 19:52:46,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:46,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:47,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:47,096 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:47,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88549673] [2021-11-25 19:52:47,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88549673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:47,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:47,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:47,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231089406] [2021-11-25 19:52:47,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:47,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:47,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:47,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:47,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:47,099 INFO L87 Difference]: Start difference. First operand 125 states and 182 transitions. Second operand has 4 states, 4 states have (on average 13.25) 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) [2021-11-25 19:52:49,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:49,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:49,504 INFO L93 Difference]: Finished difference Result 328 states and 488 transitions. [2021-11-25 19:52:49,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:49,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) 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 [2021-11-25 19:52:49,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:49,506 INFO L225 Difference]: With dead ends: 328 [2021-11-25 19:52:49,506 INFO L226 Difference]: Without dead ends: 215 [2021-11-25 19:52:49,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:49,508 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 113 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:49,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 221 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 225 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:52:49,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-25 19:52:49,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 128. [2021-11-25 19:52:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.4645669291338583) internal successors, (186), 127 states have internal predecessors, (186), 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) [2021-11-25 19:52:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 186 transitions. [2021-11-25 19:52:49,515 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 186 transitions. Word has length 53 [2021-11-25 19:52:49,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:49,515 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 186 transitions. [2021-11-25 19:52:49,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) 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) [2021-11-25 19:52:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 186 transitions. [2021-11-25 19:52:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 19:52:49,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:49,517 INFO L514 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] [2021-11-25 19:52:49,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 19:52:49,517 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:49,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:49,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1830515569, now seen corresponding path program 1 times [2021-11-25 19:52:49,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:49,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607798456] [2021-11-25 19:52:49,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:49,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:49,662 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:49,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607798456] [2021-11-25 19:52:49,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607798456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:49,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:49,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:52:49,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825058148] [2021-11-25 19:52:49,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:49,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:49,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:49,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:49,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:49,665 INFO L87 Difference]: Start difference. First operand 128 states and 186 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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) [2021-11-25 19:52:51,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:51,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:51,958 INFO L93 Difference]: Finished difference Result 278 states and 409 transitions. [2021-11-25 19:52:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:51,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 [2021-11-25 19:52:51,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:51,961 INFO L225 Difference]: With dead ends: 278 [2021-11-25 19:52:51,961 INFO L226 Difference]: Without dead ends: 162 [2021-11-25 19:52:51,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:51,962 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 19 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:51,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 333 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:52:51,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-11-25 19:52:51,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 148. [2021-11-25 19:52:51,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 147 states have (on average 1.4829931972789117) internal successors, (218), 147 states have internal predecessors, (218), 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) [2021-11-25 19:52:51,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 218 transitions. [2021-11-25 19:52:51,969 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 218 transitions. Word has length 54 [2021-11-25 19:52:51,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:51,969 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 218 transitions. [2021-11-25 19:52:51,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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) [2021-11-25 19:52:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 218 transitions. [2021-11-25 19:52:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 19:52:51,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:51,971 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:51,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 19:52:51,971 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:51,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:51,972 INFO L85 PathProgramCache]: Analyzing trace with hash -711863465, now seen corresponding path program 1 times [2021-11-25 19:52:51,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:51,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989413374] [2021-11-25 19:52:51,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:51,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:52,156 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:52,156 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:52,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989413374] [2021-11-25 19:52:52,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989413374] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:52,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:52,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:52:52,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030136999] [2021-11-25 19:52:52,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:52,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:52,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:52,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:52,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:52,158 INFO L87 Difference]: Start difference. First operand 148 states and 218 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-25 19:52:54,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:54,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:54,457 INFO L93 Difference]: Finished difference Result 298 states and 440 transitions. [2021-11-25 19:52:54,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:54,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2021-11-25 19:52:54,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:54,460 INFO L225 Difference]: With dead ends: 298 [2021-11-25 19:52:54,460 INFO L226 Difference]: Without dead ends: 162 [2021-11-25 19:52:54,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:54,461 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 30 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:54,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 335 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 155 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:52:54,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-11-25 19:52:54,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 148. [2021-11-25 19:52:54,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 147 states have (on average 1.4761904761904763) internal successors, (217), 147 states have internal predecessors, (217), 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) [2021-11-25 19:52:54,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 217 transitions. [2021-11-25 19:52:54,468 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 217 transitions. Word has length 64 [2021-11-25 19:52:54,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:54,469 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 217 transitions. [2021-11-25 19:52:54,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-25 19:52:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2021-11-25 19:52:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:52:54,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:54,470 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1] [2021-11-25 19:52:54,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 19:52:54,471 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:54,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:54,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1018473301, now seen corresponding path program 1 times [2021-11-25 19:52:54,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:54,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953437356] [2021-11-25 19:52:54,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:54,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:52:54,627 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:54,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953437356] [2021-11-25 19:52:54,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953437356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:54,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:54,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:52:54,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603934869] [2021-11-25 19:52:54,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:54,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:52:54,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:54,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:52:54,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:54,629 INFO L87 Difference]: Start difference. First operand 148 states and 217 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2021-11-25 19:52:56,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:57,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:57,024 INFO L93 Difference]: Finished difference Result 292 states and 432 transitions. [2021-11-25 19:52:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:52:57,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 66 [2021-11-25 19:52:57,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:57,026 INFO L225 Difference]: With dead ends: 292 [2021-11-25 19:52:57,026 INFO L226 Difference]: Without dead ends: 156 [2021-11-25 19:52:57,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:52:57,027 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 115 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:57,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 234 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 262 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:52:57,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-25 19:52:57,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2021-11-25 19:52:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.4545454545454546) internal successors, (224), 154 states have internal predecessors, (224), 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) [2021-11-25 19:52:57,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 224 transitions. [2021-11-25 19:52:57,034 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 224 transitions. Word has length 66 [2021-11-25 19:52:57,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:57,035 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 224 transitions. [2021-11-25 19:52:57,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2021-11-25 19:52:57,035 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 224 transitions. [2021-11-25 19:52:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:52:57,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:57,036 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-11-25 19:52:57,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 19:52:57,036 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:57,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:57,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1821569499, now seen corresponding path program 1 times [2021-11-25 19:52:57,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:57,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401876828] [2021-11-25 19:52:57,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:57,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:57,197 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:57,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401876828] [2021-11-25 19:52:57,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401876828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:57,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:57,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:52:57,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631107120] [2021-11-25 19:52:57,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:57,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:57,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:57,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:57,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:57,200 INFO L87 Difference]: Start difference. First operand 155 states and 224 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-11-25 19:52:59,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:59,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:59,644 INFO L93 Difference]: Finished difference Result 398 states and 584 transitions. [2021-11-25 19:52:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:59,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2021-11-25 19:52:59,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:59,646 INFO L225 Difference]: With dead ends: 398 [2021-11-25 19:52:59,646 INFO L226 Difference]: Without dead ends: 255 [2021-11-25 19:52:59,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:59,647 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 108 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:59,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 242 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 229 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:52:59,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-25 19:52:59,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 169. [2021-11-25 19:52:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.4404761904761905) internal successors, (242), 168 states have internal predecessors, (242), 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) [2021-11-25 19:52:59,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 242 transitions. [2021-11-25 19:52:59,657 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 242 transitions. Word has length 66 [2021-11-25 19:52:59,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:59,657 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 242 transitions. [2021-11-25 19:52:59,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-11-25 19:52:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 242 transitions. [2021-11-25 19:52:59,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:52:59,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:59,659 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-25 19:52:59,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 19:52:59,659 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:59,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:59,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1205111925, now seen corresponding path program 1 times [2021-11-25 19:52:59,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:59,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942413578] [2021-11-25 19:52:59,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:59,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:59,813 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:59,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942413578] [2021-11-25 19:52:59,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942413578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:59,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:59,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:52:59,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021108239] [2021-11-25 19:52:59,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:59,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:59,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:59,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:59,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:59,815 INFO L87 Difference]: Start difference. First operand 169 states and 242 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-11-25 19:53:01,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:02,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:02,143 INFO L93 Difference]: Finished difference Result 340 states and 487 transitions. [2021-11-25 19:53:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:53:02,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2021-11-25 19:53:02,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:02,146 INFO L225 Difference]: With dead ends: 340 [2021-11-25 19:53:02,146 INFO L226 Difference]: Without dead ends: 183 [2021-11-25 19:53:02,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:53:02,147 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 22 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:02,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 336 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 154 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:53:02,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-25 19:53:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 169. [2021-11-25 19:53:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.4345238095238095) internal successors, (241), 168 states have internal predecessors, (241), 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) [2021-11-25 19:53:02,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 241 transitions. [2021-11-25 19:53:02,155 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 241 transitions. Word has length 66 [2021-11-25 19:53:02,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:02,155 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 241 transitions. [2021-11-25 19:53:02,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-11-25 19:53:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 241 transitions. [2021-11-25 19:53:02,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 19:53:02,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:02,156 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1] [2021-11-25 19:53:02,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 19:53:02,157 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:02,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:02,157 INFO L85 PathProgramCache]: Analyzing trace with hash -422158616, now seen corresponding path program 1 times [2021-11-25 19:53:02,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:53:02,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937157221] [2021-11-25 19:53:02,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:02,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:53:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:02,293 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:53:02,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937157221] [2021-11-25 19:53:02,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937157221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:02,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:02,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:53:02,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142792453] [2021-11-25 19:53:02,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:02,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:53:02,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:53:02,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:53:02,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:53:02,296 INFO L87 Difference]: Start difference. First operand 169 states and 241 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 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) [2021-11-25 19:53:04,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:04,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:04,722 INFO L93 Difference]: Finished difference Result 413 states and 600 transitions. [2021-11-25 19:53:04,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:53:04,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 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 67 [2021-11-25 19:53:04,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:04,724 INFO L225 Difference]: With dead ends: 413 [2021-11-25 19:53:04,724 INFO L226 Difference]: Without dead ends: 256 [2021-11-25 19:53:04,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:53:04,725 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 111 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:04,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 244 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 228 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:53:04,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-25 19:53:04,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 169. [2021-11-25 19:53:04,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.4166666666666667) internal successors, (238), 168 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) [2021-11-25 19:53:04,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 238 transitions. [2021-11-25 19:53:04,742 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 238 transitions. Word has length 67 [2021-11-25 19:53:04,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:04,743 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 238 transitions. [2021-11-25 19:53:04,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 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) [2021-11-25 19:53:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 238 transitions. [2021-11-25 19:53:04,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 19:53:04,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:04,744 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1] [2021-11-25 19:53:04,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 19:53:04,745 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:04,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:04,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1559047363, now seen corresponding path program 1 times [2021-11-25 19:53:04,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:53:04,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239334573] [2021-11-25 19:53:04,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:04,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:53:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:04,909 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:53:04,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239334573] [2021-11-25 19:53:04,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239334573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:04,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:04,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:53:04,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283795819] [2021-11-25 19:53:04,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:04,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:53:04,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:53:04,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:53:04,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:53:04,913 INFO L87 Difference]: Start difference. First operand 169 states and 238 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 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) [2021-11-25 19:53:06,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:07,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:07,349 INFO L93 Difference]: Finished difference Result 413 states and 594 transitions. [2021-11-25 19:53:07,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:53:07,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 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 67 [2021-11-25 19:53:07,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:07,351 INFO L225 Difference]: With dead ends: 413 [2021-11-25 19:53:07,351 INFO L226 Difference]: Without dead ends: 256 [2021-11-25 19:53:07,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:53:07,352 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 106 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:07,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 248 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 228 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:53:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-25 19:53:07,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 171. [2021-11-25 19:53:07,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.411764705882353) internal successors, (240), 170 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) [2021-11-25 19:53:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 240 transitions. [2021-11-25 19:53:07,362 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 240 transitions. Word has length 67 [2021-11-25 19:53:07,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:07,362 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 240 transitions. [2021-11-25 19:53:07,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 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) [2021-11-25 19:53:07,363 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 240 transitions. [2021-11-25 19:53:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 19:53:07,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:07,364 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1] [2021-11-25 19:53:07,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 19:53:07,364 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:07,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:07,365 INFO L85 PathProgramCache]: Analyzing trace with hash 221973067, now seen corresponding path program 1 times [2021-11-25 19:53:07,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:53:07,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122382652] [2021-11-25 19:53:07,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:07,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:53:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:07,567 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:07,567 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:53:07,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122382652] [2021-11-25 19:53:07,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122382652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:07,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:07,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:53:07,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721636927] [2021-11-25 19:53:07,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:07,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:53:07,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:53:07,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:53:07,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:53:07,570 INFO L87 Difference]: Start difference. First operand 171 states and 240 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 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) [2021-11-25 19:53:09,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:09,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:09,863 INFO L93 Difference]: Finished difference Result 334 states and 472 transitions. [2021-11-25 19:53:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:53:09,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 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 68 [2021-11-25 19:53:09,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:09,866 INFO L225 Difference]: With dead ends: 334 [2021-11-25 19:53:09,866 INFO L226 Difference]: Without dead ends: 175 [2021-11-25 19:53:09,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:53:09,867 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 19 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:09,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 347 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:53:09,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-11-25 19:53:09,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 171. [2021-11-25 19:53:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.4058823529411764) internal successors, (239), 170 states have internal predecessors, (239), 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) [2021-11-25 19:53:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 239 transitions. [2021-11-25 19:53:09,876 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 239 transitions. Word has length 68 [2021-11-25 19:53:09,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:09,876 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 239 transitions. [2021-11-25 19:53:09,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 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) [2021-11-25 19:53:09,877 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 239 transitions. [2021-11-25 19:53:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 19:53:09,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:09,878 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-25 19:53:09,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 19:53:09,878 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:09,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:09,879 INFO L85 PathProgramCache]: Analyzing trace with hash 75618399, now seen corresponding path program 1 times [2021-11-25 19:53:09,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:53:09,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711317288] [2021-11-25 19:53:09,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:09,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:53:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:10,026 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:53:10,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711317288] [2021-11-25 19:53:10,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711317288] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:53:10,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008145482] [2021-11-25 19:53:10,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:10,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:53:10,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:53:10,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:53:10,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:53:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:10,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 19:53:10,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:11,000 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:11,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:53:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-25 19:53:11,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008145482] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-25 19:53:11,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 19:53:11,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 5 [2021-11-25 19:53:11,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742263121] [2021-11-25 19:53:11,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:11,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:53:11,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:53:11,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:53:11,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:53:11,224 INFO L87 Difference]: Start difference. First operand 171 states and 239 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2021-11-25 19:53:13,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:13,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:13,338 INFO L93 Difference]: Finished difference Result 326 states and 462 transitions. [2021-11-25 19:53:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:53:13,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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 72 [2021-11-25 19:53:13,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:13,341 INFO L225 Difference]: With dead ends: 326 [2021-11-25 19:53:13,341 INFO L226 Difference]: Without dead ends: 324 [2021-11-25 19:53:13,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:53:13,342 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 105 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:13,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 280 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:53:13,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-11-25 19:53:13,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 321. [2021-11-25 19:53:13,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 320 states have (on average 1.428125) internal successors, (457), 320 states have internal predecessors, (457), 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) [2021-11-25 19:53:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 457 transitions. [2021-11-25 19:53:13,359 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 457 transitions. Word has length 72 [2021-11-25 19:53:13,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:13,360 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 457 transitions. [2021-11-25 19:53:13,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2021-11-25 19:53:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 457 transitions. [2021-11-25 19:53:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-25 19:53:13,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:13,362 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-11-25 19:53:13,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:13,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-25 19:53:13,567 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:13,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:13,568 INFO L85 PathProgramCache]: Analyzing trace with hash 37328811, now seen corresponding path program 1 times [2021-11-25 19:53:13,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:53:13,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355117714] [2021-11-25 19:53:13,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:13,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:53:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:53:15,021 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:53:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:53:15,671 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:53:15,672 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:53:15,672 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:53:15,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 19:53:15,677 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:15,680 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:53:15,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:53:15 BoogieIcfgContainer [2021-11-25 19:53:15,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:53:15,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:53:15,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:53:15,874 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:53:15,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:25" (3/4) ... [2021-11-25 19:53:15,877 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:53:15,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:53:15,878 INFO L158 Benchmark]: Toolchain (without parser) took 55192.66ms. Allocated memory was 107.0MB in the beginning and 205.5MB in the end (delta: 98.6MB). Free memory was 76.0MB in the beginning and 104.5MB in the end (delta: -28.5MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-11-25 19:53:15,878 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:53:15,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.76ms. Allocated memory is still 107.0MB. Free memory was 76.0MB in the beginning and 44.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-25 19:53:15,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.53ms. Allocated memory is still 107.0MB. Free memory was 44.6MB in the beginning and 39.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 19:53:15,879 INFO L158 Benchmark]: Boogie Preprocessor took 154.73ms. Allocated memory is still 107.0MB. Free memory was 39.7MB in the beginning and 76.7MB in the end (delta: -37.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-11-25 19:53:15,879 INFO L158 Benchmark]: RCFGBuilder took 3647.44ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 65.9MB in the end (delta: 10.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-11-25 19:53:15,880 INFO L158 Benchmark]: TraceAbstraction took 50565.26ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 65.9MB in the beginning and 105.6MB in the end (delta: -39.7MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2021-11-25 19:53:15,880 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 205.5MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:53:15,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.76ms. Allocated memory is still 107.0MB. Free memory was 76.0MB in the beginning and 44.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.53ms. Allocated memory is still 107.0MB. Free memory was 44.6MB in the beginning and 39.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.73ms. Allocated memory is still 107.0MB. Free memory was 39.7MB in the beginning and 76.7MB in the end (delta: -37.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3647.44ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 65.9MB in the end (delta: 10.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 50565.26ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 65.9MB in the beginning and 105.6MB in the end (delta: -39.7MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 205.5MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1734]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1152. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) [L1161] EXPR s->cert VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967304:0}, s={4294967304:0}, s->cert={4294967297:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-2}, blastFlag=1, got_new_session=0, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1693] EXPR s->s3 [L1693] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2}, (s->s3)->tmp.reuse_message=4294967333, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->s3={4294967299:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] skip = 0 VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=11, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit [L1383] COND TRUE s->hit [L1384] s->state = 8656 [L1388] s->init_num = 0 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1693] EXPR s->s3 [L1693] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2}, (s->s3)->tmp.reuse_message=4294967333, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->s3={4294967299:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] skip = 0 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1260] COND TRUE s->state == 8656 [L1586] EXPR s->session [L1586] EXPR s->s3 [L1586] EXPR (s->s3)->tmp.new_cipher [L1586] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1587] COND FALSE !(! tmp___9) [L1593] ret = __VERIFIER_nondet_int() [L1594] COND TRUE blastFlag == 2 [L1595] blastFlag = 3 VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1599] COND FALSE !(ret <= 0) [L1604] s->state = 8672 [L1605] s->init_num = 0 VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1606] COND FALSE !(! tmp___10) VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1693] EXPR s->s3 [L1693] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2}, (s->s3)->tmp.reuse_message=4294967333, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->s3={4294967299:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] skip = 0 VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1266] COND TRUE s->state == 8672 [L1615] ret = __VERIFIER_nondet_int() [L1616] COND TRUE blastFlag == 3 VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=14, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1734] reach_error() VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=14, s={4294967304:0}, s={4294967304:0}, s->info_callback={4294967338:4294967344}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.3s, OverallIterations: 19, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 42.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 959 SdHoareTripleChecker+Valid, 42.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 959 mSDsluCounter, 5388 SdHoareTripleChecker+Invalid, 40.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3543 mSDsCounter, 360 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3036 IncrementalHoareTripleChecker+Invalid, 3414 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 360 mSolverCounterUnsat, 2068 mSDtfsCounter, 3036 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=321occurred in iteration=18, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 565 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1221 NumberOfCodeBlocks, 1221 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1162 ConstructedInterpolants, 0 QuantifiedInterpolants, 2716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 915 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 20 InterpolantComputations, 18 PerfectInterpolantSequences, 259/331 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 could not prove your program: unable to determine feasibility of some traces [2021-11-25 19:53:15,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7 --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 c3fe517c51c5e8fb31577c2325f977891c14909f163a953939dc0a15f16ec6d9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:53:18,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:53:18,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:53:18,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:53:18,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:53:18,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:53:18,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:53:18,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:53:18,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:53:18,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:53:18,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:53:18,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:53:18,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:53:18,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:53:18,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:53:18,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:53:18,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:53:18,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:53:18,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:53:18,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:53:18,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:53:18,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:53:18,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:53:18,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:53:18,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:53:18,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:53:18,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:53:18,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:53:18,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:53:18,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:53:18,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:53:18,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:53:18,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:53:18,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:53:18,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:53:18,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:53:18,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:53:18,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:53:18,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:53:18,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:53:18,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:53:18,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 19:53:18,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:53:18,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:53:18,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:53:18,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:53:18,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:53:18,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:53:18,338 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:53:18,338 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:53:18,338 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:53:18,339 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:53:18,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:53:18,339 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:53:18,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:53:18,340 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:53:18,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:53:18,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:53:18,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:53:18,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:53:18,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:53:18,341 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:53:18,342 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:53:18,342 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:53:18,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:53:18,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:53:18,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:53:18,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:53:18,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:53:18,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:53:18,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:53:18,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:53:18,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:53:18,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:53:18,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:53:18,345 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:53:18,345 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:53:18,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:53:18,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:53:18,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:53:18,346 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3fe517c51c5e8fb31577c2325f977891c14909f163a953939dc0a15f16ec6d9 [2021-11-25 19:53:18,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:53:18,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:53:18,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:53:18,745 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:53:18,746 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:53:18,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-11-25 19:53:18,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/data/0d99197d3/0b1014eda58e4d47b215790888503861/FLAG35351383e [2021-11-25 19:53:19,516 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:53:19,517 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-11-25 19:53:19,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/data/0d99197d3/0b1014eda58e4d47b215790888503861/FLAG35351383e [2021-11-25 19:53:19,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/data/0d99197d3/0b1014eda58e4d47b215790888503861 [2021-11-25 19:53:19,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:53:19,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:53:19,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:53:19,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:53:19,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:53:19,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:53:19" (1/1) ... [2021-11-25 19:53:19,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3300cb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:19, skipping insertion in model container [2021-11-25 19:53:19,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:53:19" (1/1) ... [2021-11-25 19:53:19,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:53:19,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:53:20,243 WARN L230 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_00170170-f97b-464e-b416-24195928afa1/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[72493,72506] [2021-11-25 19:53:20,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:53:20,273 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-25 19:53:20,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:53:20,457 WARN L230 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_00170170-f97b-464e-b416-24195928afa1/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[72493,72506] [2021-11-25 19:53:20,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:53:20,472 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:53:20,605 WARN L230 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_00170170-f97b-464e-b416-24195928afa1/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[72493,72506] [2021-11-25 19:53:20,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:53:20,636 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:53:20,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20 WrapperNode [2021-11-25 19:53:20,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:53:20,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:53:20,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:53:20,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:53:20,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (1/1) ... [2021-11-25 19:53:20,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (1/1) ... [2021-11-25 19:53:20,746 INFO L137 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 752 [2021-11-25 19:53:20,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:53:20,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:53:20,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:53:20,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:53:20,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (1/1) ... [2021-11-25 19:53:20,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (1/1) ... [2021-11-25 19:53:20,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (1/1) ... [2021-11-25 19:53:20,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (1/1) ... [2021-11-25 19:53:20,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (1/1) ... [2021-11-25 19:53:20,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (1/1) ... [2021-11-25 19:53:20,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (1/1) ... [2021-11-25 19:53:20,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:53:20,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:53:20,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:53:20,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:53:20,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (1/1) ... [2021-11-25 19:53:20,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:53:20,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:53:20,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:53:20,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:53:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:53:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 19:53:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:53:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 19:53:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:53:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:53:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:53:20,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:53:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 19:53:21,181 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:53:21,183 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:53:21,213 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:53:29,943 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-25 19:53:29,944 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-25 19:53:29,944 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:53:29,950 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:53:29,950 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 19:53:29,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:53:29 BoogieIcfgContainer [2021-11-25 19:53:29,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:53:29,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:53:29,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:53:29,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:53:29,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:53:19" (1/3) ... [2021-11-25 19:53:29,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b5edc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:53:29, skipping insertion in model container [2021-11-25 19:53:29,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:53:20" (2/3) ... [2021-11-25 19:53:29,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b5edc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:53:29, skipping insertion in model container [2021-11-25 19:53:29,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:53:29" (3/3) ... [2021-11-25 19:53:29,967 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.03.i.cil.c [2021-11-25 19:53:29,973 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:53:29,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:53:30,048 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:53:30,064 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 [2021-11-25 19:53:30,064 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:53:30,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 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) [2021-11-25 19:53:30,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 19:53:30,108 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:30,109 INFO L514 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:30,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:30,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:30,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1430119920, now seen corresponding path program 1 times [2021-11-25 19:53:30,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:30,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745610748] [2021-11-25 19:53:30,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:30,140 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:30,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:30,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:30,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 19:53:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:30,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:53:30,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:31,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:31,182 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:53:31,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745610748] [2021-11-25 19:53:31,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745610748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:31,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:31,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:53:31,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855747945] [2021-11-25 19:53:31,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:31,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:53:31,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:53:31,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:53:31,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:31,220 INFO L87 Difference]: Start difference. First operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 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 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-25 19:53:31,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:31,339 INFO L93 Difference]: Finished difference Result 412 states and 698 transitions. [2021-11-25 19:53:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:53:31,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2021-11-25 19:53:31,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:31,357 INFO L225 Difference]: With dead ends: 412 [2021-11-25 19:53:31,357 INFO L226 Difference]: Without dead ends: 251 [2021-11-25 19:53:31,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:31,364 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 186 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:31,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 456 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:53:31,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-11-25 19:53:31,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2021-11-25 19:53:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.516) internal successors, (379), 250 states have internal predecessors, (379), 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) [2021-11-25 19:53:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 379 transitions. [2021-11-25 19:53:31,424 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 379 transitions. Word has length 47 [2021-11-25 19:53:31,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:31,424 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 379 transitions. [2021-11-25 19:53:31,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-25 19:53:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 379 transitions. [2021-11-25 19:53:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 19:53:31,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:31,444 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:31,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-25 19:53:31,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:31,661 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:31,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:31,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1008654101, now seen corresponding path program 1 times [2021-11-25 19:53:31,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:31,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590058630] [2021-11-25 19:53:31,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:31,664 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:31,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:31,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:31,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 19:53:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:32,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:53:32,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:32,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:32,507 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:53:32,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590058630] [2021-11-25 19:53:32,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590058630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:32,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:32,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:53:32,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544354482] [2021-11-25 19:53:32,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:32,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:53:32,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:53:32,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:53:32,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:32,511 INFO L87 Difference]: Start difference. First operand 251 states and 379 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-25 19:53:32,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:32,665 INFO L93 Difference]: Finished difference Result 490 states and 746 transitions. [2021-11-25 19:53:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:53:32,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-25 19:53:32,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:32,669 INFO L225 Difference]: With dead ends: 490 [2021-11-25 19:53:32,670 INFO L226 Difference]: Without dead ends: 368 [2021-11-25 19:53:32,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:32,672 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 135 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:32,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 557 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:53:32,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-11-25 19:53:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2021-11-25 19:53:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.5122615803814714) internal successors, (555), 367 states have internal predecessors, (555), 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) [2021-11-25 19:53:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 555 transitions. [2021-11-25 19:53:32,705 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 555 transitions. Word has length 64 [2021-11-25 19:53:32,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:32,706 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 555 transitions. [2021-11-25 19:53:32,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-25 19:53:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 555 transitions. [2021-11-25 19:53:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-25 19:53:32,709 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:32,710 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:32,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:32,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:32,930 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:32,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:32,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1548644719, now seen corresponding path program 1 times [2021-11-25 19:53:32,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:32,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74640305] [2021-11-25 19:53:32,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:32,932 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:32,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:32,934 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:32,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 19:53:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:33,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:53:33,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:53:33,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:33,879 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:53:33,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74640305] [2021-11-25 19:53:33,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74640305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:33,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:33,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:53:33,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862494405] [2021-11-25 19:53:33,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:33,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:53:33,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:53:33,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:53:33,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:33,882 INFO L87 Difference]: Start difference. First operand 368 states and 555 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-11-25 19:53:33,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:33,973 INFO L93 Difference]: Finished difference Result 725 states and 1100 transitions. [2021-11-25 19:53:33,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:53:33,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 86 [2021-11-25 19:53:33,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:33,978 INFO L225 Difference]: With dead ends: 725 [2021-11-25 19:53:33,978 INFO L226 Difference]: Without dead ends: 486 [2021-11-25 19:53:33,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:33,981 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 135 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:33,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 561 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:53:33,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2021-11-25 19:53:34,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2021-11-25 19:53:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 485 states have (on average 1.511340206185567) internal successors, (733), 485 states have internal predecessors, (733), 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) [2021-11-25 19:53:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 733 transitions. [2021-11-25 19:53:34,006 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 733 transitions. Word has length 86 [2021-11-25 19:53:34,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:34,007 INFO L470 AbstractCegarLoop]: Abstraction has 486 states and 733 transitions. [2021-11-25 19:53:34,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-11-25 19:53:34,008 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 733 transitions. [2021-11-25 19:53:34,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-25 19:53:34,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:34,013 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:34,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:34,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:34,234 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:34,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:34,234 INFO L85 PathProgramCache]: Analyzing trace with hash 42738551, now seen corresponding path program 1 times [2021-11-25 19:53:34,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:34,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435227531] [2021-11-25 19:53:34,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:34,236 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:34,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:34,237 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:34,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 19:53:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:35,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-25 19:53:35,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:35,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 19:53:35,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 19:53:36,219 INFO L354 Elim1Store]: treesize reduction 1496, result has 4.7 percent of original size [2021-11-25 19:53:36,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 58 treesize of output 85 [2021-11-25 19:53:36,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2021-11-25 19:53:36,560 INFO L354 Elim1Store]: treesize reduction 324, result has 10.2 percent of original size [2021-11-25 19:53:36,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 49 [2021-11-25 19:53:36,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:53:36,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 49 [2021-11-25 19:53:36,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-25 19:53:36,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-25 19:53:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-25 19:53:36,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:36,920 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:53:36,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435227531] [2021-11-25 19:53:36,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435227531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:36,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:36,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:53:36,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834125003] [2021-11-25 19:53:36,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:36,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:53:36,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:53:36,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:53:36,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:53:36,923 INFO L87 Difference]: Start difference. First operand 486 states and 733 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2021-11-25 19:53:38,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:40,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:42,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:47,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:50,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:50,178 INFO L93 Difference]: Finished difference Result 969 states and 1462 transitions. [2021-11-25 19:53:50,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:53:50,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 127 [2021-11-25 19:53:50,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:50,184 INFO L225 Difference]: With dead ends: 969 [2021-11-25 19:53:50,184 INFO L226 Difference]: Without dead ends: 486 [2021-11-25 19:53:50,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:53:50,186 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 7 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:50,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 631 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2021-11-25 19:53:50,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2021-11-25 19:53:50,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2021-11-25 19:53:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 485 states have (on average 1.5092783505154639) internal successors, (732), 485 states have internal predecessors, (732), 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) [2021-11-25 19:53:50,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 732 transitions. [2021-11-25 19:53:50,208 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 732 transitions. Word has length 127 [2021-11-25 19:53:50,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:50,209 INFO L470 AbstractCegarLoop]: Abstraction has 486 states and 732 transitions. [2021-11-25 19:53:50,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2021-11-25 19:53:50,209 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 732 transitions. [2021-11-25 19:53:50,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-25 19:53:50,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:50,215 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:50,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:50,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:50,432 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:50,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:50,432 INFO L85 PathProgramCache]: Analyzing trace with hash -663858055, now seen corresponding path program 1 times [2021-11-25 19:53:50,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:50,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127109942] [2021-11-25 19:53:50,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:50,433 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:50,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:50,434 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:50,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 19:53:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:53:55,351 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:53:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:53:58,689 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-25 19:53:58,689 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:53:58,690 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:53:58,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:58,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:58,913 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-25 19:53:58,916 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:53:59,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:53:59 BoogieIcfgContainer [2021-11-25 19:53:59,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:53:59,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:53:59,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:53:59,114 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:53:59,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:53:29" (3/4) ... [2021-11-25 19:53:59,116 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 19:53:59,255 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:53:59,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:53:59,256 INFO L158 Benchmark]: Toolchain (without parser) took 39517.86ms. Allocated memory was 69.2MB in the beginning and 136.3MB in the end (delta: 67.1MB). Free memory was 46.0MB in the beginning and 32.7MB in the end (delta: 13.3MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2021-11-25 19:53:59,257 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:53:59,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 895.14ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 35.6MB in the end (delta: 10.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-25 19:53:59,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.11ms. Allocated memory is still 69.2MB. Free memory was 35.6MB in the beginning and 30.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 19:53:59,258 INFO L158 Benchmark]: Boogie Preprocessor took 110.21ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 30.9MB in the beginning and 72.1MB in the end (delta: -41.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-11-25 19:53:59,258 INFO L158 Benchmark]: RCFGBuilder took 9094.42ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 48.7MB in the end (delta: 23.4MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-11-25 19:53:59,259 INFO L158 Benchmark]: TraceAbstraction took 29158.24ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 48.7MB in the beginning and 51.6MB in the end (delta: -2.9MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2021-11-25 19:53:59,259 INFO L158 Benchmark]: Witness Printer took 142.36ms. Allocated memory is still 136.3MB. Free memory was 50.5MB in the beginning and 32.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-25 19:53:59,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 895.14ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 35.6MB in the end (delta: 10.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.11ms. Allocated memory is still 69.2MB. Free memory was 35.6MB in the beginning and 30.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.21ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 30.9MB in the beginning and 72.1MB in the end (delta: -41.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * RCFGBuilder took 9094.42ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 48.7MB in the end (delta: 23.4MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * TraceAbstraction took 29158.24ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 48.7MB in the beginning and 51.6MB in the end (delta: -2.9MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Witness Printer took 142.36ms. Allocated memory is still 136.3MB. Free memory was 50.5MB in the beginning and 32.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1734]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->info_callback={0:-2147483648}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9, tmp___1=0] [L1161] EXPR s->cert VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->cert={-2147483647:0}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9, tmp___1=0] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483644:0}, s={-2147483644:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=0, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1693] EXPR s->s3 [L1693] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->s3={5:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] skip = 0 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->hit=-2147483648, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1383] COND TRUE s->hit [L1384] s->state = 8656 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1388] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1693] EXPR s->s3 [L1693] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->s3={5:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] skip = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1260] COND TRUE s->state == 8656 [L1586] EXPR s->session [L1586] EXPR s->s3 [L1586] EXPR (s->s3)->tmp.new_cipher [L1586] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1587] COND FALSE !(! tmp___9) [L1593] ret = __VERIFIER_nondet_int() [L1594] COND TRUE blastFlag == 2 [L1595] blastFlag = 3 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___9=2] [L1599] COND FALSE !(ret <= 0) [L1604] s->state = 8672 [L1605] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___9=2] [L1606] COND FALSE !(! tmp___10) VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1693] EXPR s->s3 [L1693] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->s3={5:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] skip = 0 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={-2147483644:0}, s={-2147483644:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1266] COND TRUE s->state == 8672 [L1615] ret = __VERIFIER_nondet_int() [L1616] COND TRUE blastFlag == 3 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=10, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1734] reach_error() VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=10, s={-2147483644:0}, s={-2147483644:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.9s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 463 SdHoareTripleChecker+Valid, 13.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 463 mSDsluCounter, 2205 SdHoareTripleChecker+Invalid, 13.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1033 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 1172 mSDtfsCounter, 211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 451 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 668 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2830 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 153/153 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! [2021-11-25 19:53:59,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00170170-f97b-464e-b416-24195928afa1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE