./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V --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 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:48:02,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:48:02,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:48:02,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:48:02,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:48:02,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:48:02,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:48:02,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:48:02,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:48:02,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:48:02,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:48:02,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:48:02,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:48:02,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:48:02,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:48:02,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:48:02,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:48:02,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:48:02,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:48:02,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:48:02,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:48:02,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:48:02,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:48:02,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:48:02,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:48:02,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:48:02,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:48:02,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:48:02,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:48:02,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:48:02,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:48:02,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:48:02,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:48:02,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:48:02,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:48:02,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:48:02,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:48:02,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:48:02,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:48:02,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:48:02,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:48:02,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:48:02,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:48:02,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:48:02,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:48:02,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:48:02,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:48:02,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:48:02,369 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:48:02,369 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:48:02,369 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:48:02,369 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:48:02,370 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:48:02,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:48:02,371 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:48:02,371 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:48:02,371 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:48:02,372 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:48:02,372 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:48:02,372 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:48:02,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:48:02,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:48:02,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:48:02,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:48:02,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:48:02,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:48:02,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:48:02,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:48:02,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:48:02,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:48:02,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:48:02,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:48:02,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:48:02,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:48:02,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:48:02,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:48:02,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:48:02,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:48:02,379 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:48:02,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:48:02,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:48:02,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:48:02,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:48:02,380 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_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 [2021-11-23 03:48:02,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:48:02,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:48:02,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:48:02,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:48:02,694 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:48:02,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-11-23 03:48:02,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/data/fd27ab430/738dd12d23354de8be1f7f7dc3b51f09/FLAGb65ff9ec7 [2021-11-23 03:48:03,264 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:48:03,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-11-23 03:48:03,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/data/fd27ab430/738dd12d23354de8be1f7f7dc3b51f09/FLAGb65ff9ec7 [2021-11-23 03:48:03,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/data/fd27ab430/738dd12d23354de8be1f7f7dc3b51f09 [2021-11-23 03:48:03,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:48:03,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:48:03,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:48:03,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:48:03,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:48:03,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:03" (1/1) ... [2021-11-23 03:48:03,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ff42e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:03, skipping insertion in model container [2021-11-23 03:48:03,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:03" (1/1) ... [2021-11-23 03:48:03,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:48:03,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:48:03,928 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_cae3aab2-febc-4583-8bad-5c088f9874bc/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-11-23 03:48:03,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:48:03,944 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:48:03,997 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_cae3aab2-febc-4583-8bad-5c088f9874bc/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-11-23 03:48:04,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:48:04,013 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:48:04,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04 WrapperNode [2021-11-23 03:48:04,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:48:04,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:48:04,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:48:04,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:48:04,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (1/1) ... [2021-11-23 03:48:04,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (1/1) ... [2021-11-23 03:48:04,093 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 478 [2021-11-23 03:48:04,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:48:04,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:48:04,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:48:04,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:48:04,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (1/1) ... [2021-11-23 03:48:04,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (1/1) ... [2021-11-23 03:48:04,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (1/1) ... [2021-11-23 03:48:04,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (1/1) ... [2021-11-23 03:48:04,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (1/1) ... [2021-11-23 03:48:04,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (1/1) ... [2021-11-23 03:48:04,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (1/1) ... [2021-11-23 03:48:04,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:48:04,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:48:04,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:48:04,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:48:04,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (1/1) ... [2021-11-23 03:48:04,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:48:04,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:48:04,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:48:04,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:48:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:48:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:48:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:48:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:48:04,360 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:48:04,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:48:04,377 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 03:48:04,977 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-11-23 03:48:04,977 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-11-23 03:48:04,977 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:48:05,179 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:48:05,179 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:48:05,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:05 BoogieIcfgContainer [2021-11-23 03:48:05,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:48:05,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:48:05,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:48:05,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:48:05,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:48:03" (1/3) ... [2021-11-23 03:48:05,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f498b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:48:05, skipping insertion in model container [2021-11-23 03:48:05,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:04" (2/3) ... [2021-11-23 03:48:05,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f498b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:48:05, skipping insertion in model container [2021-11-23 03:48:05,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:05" (3/3) ... [2021-11-23 03:48:05,192 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2021-11-23 03:48:05,197 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:48:05,198 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:48:05,244 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:48:05,251 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 [2021-11-23 03:48:05,251 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:48:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 83 states have internal predecessors, (145), 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) [2021-11-23 03:48:05,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 03:48:05,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:05,275 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:05,276 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:05,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:05,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1837227934, now seen corresponding path program 1 times [2021-11-23 03:48:05,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:48:05,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080273731] [2021-11-23 03:48:05,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:05,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:48:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:48:05,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:48:05,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080273731] [2021-11-23 03:48:05,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080273731] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:05,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:05,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:48:05,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137736619] [2021-11-23 03:48:05,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:05,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:05,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:48:05,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:05,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:05,504 INFO L87 Difference]: Start difference. First operand has 84 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 83 states have internal predecessors, (145), 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 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-11-23 03:48:05,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:05,692 INFO L93 Difference]: Finished difference Result 169 states and 293 transitions. [2021-11-23 03:48:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:05,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2021-11-23 03:48:05,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:05,707 INFO L225 Difference]: With dead ends: 169 [2021-11-23 03:48:05,707 INFO L226 Difference]: Without dead ends: 83 [2021-11-23 03:48:05,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:05,720 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:05,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:48:05,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-23 03:48:05,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-23 03:48:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 82 states have internal predecessors, (120), 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) [2021-11-23 03:48:05,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2021-11-23 03:48:05,775 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 19 [2021-11-23 03:48:05,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:05,776 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2021-11-23 03:48:05,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-11-23 03:48:05,776 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2021-11-23 03:48:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 03:48:05,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:05,779 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] [2021-11-23 03:48:05,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:48:05,780 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:05,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:05,783 INFO L85 PathProgramCache]: Analyzing trace with hash -260824227, now seen corresponding path program 1 times [2021-11-23 03:48:05,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:48:05,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247341621] [2021-11-23 03:48:05,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:05,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:48:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:05,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:48:05,873 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:48:05,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247341621] [2021-11-23 03:48:05,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247341621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:05,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:05,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:48:05,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793251147] [2021-11-23 03:48:05,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:05,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:05,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:48:05,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:05,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:05,877 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-11-23 03:48:06,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:06,048 INFO L93 Difference]: Finished difference Result 178 states and 261 transitions. [2021-11-23 03:48:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:06,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2021-11-23 03:48:06,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:06,051 INFO L225 Difference]: With dead ends: 178 [2021-11-23 03:48:06,051 INFO L226 Difference]: Without dead ends: 98 [2021-11-23 03:48:06,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:06,053 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 8 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:06,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 129 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:48:06,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-23 03:48:06,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2021-11-23 03:48:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.431578947368421) internal successors, (136), 95 states have internal predecessors, (136), 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) [2021-11-23 03:48:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 136 transitions. [2021-11-23 03:48:06,068 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 136 transitions. Word has length 28 [2021-11-23 03:48:06,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:06,069 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 136 transitions. [2021-11-23 03:48:06,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-11-23 03:48:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2021-11-23 03:48:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 03:48:06,071 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:06,071 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-23 03:48:06,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:48:06,071 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:06,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:06,072 INFO L85 PathProgramCache]: Analyzing trace with hash -16731027, now seen corresponding path program 1 times [2021-11-23 03:48:06,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:48:06,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589757382] [2021-11-23 03:48:06,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:06,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:48:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:48:06,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:48:06,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589757382] [2021-11-23 03:48:06,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589757382] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:06,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:06,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:48:06,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509276268] [2021-11-23 03:48:06,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:06,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:06,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:48:06,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:06,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:06,203 INFO L87 Difference]: Start difference. First operand 96 states and 136 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-23 03:48:06,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:06,336 INFO L93 Difference]: Finished difference Result 206 states and 297 transitions. [2021-11-23 03:48:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:06,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 [2021-11-23 03:48:06,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:06,338 INFO L225 Difference]: With dead ends: 206 [2021-11-23 03:48:06,338 INFO L226 Difference]: Without dead ends: 113 [2021-11-23 03:48:06,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:06,341 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 8 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:06,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 140 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:48:06,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-23 03:48:06,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2021-11-23 03:48:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4) internal successors, (154), 110 states have internal predecessors, (154), 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) [2021-11-23 03:48:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2021-11-23 03:48:06,353 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 39 [2021-11-23 03:48:06,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:06,354 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2021-11-23 03:48:06,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-23 03:48:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2021-11-23 03:48:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 03:48:06,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:06,356 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:06,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:48:06,357 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:06,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:06,357 INFO L85 PathProgramCache]: Analyzing trace with hash -83416498, now seen corresponding path program 1 times [2021-11-23 03:48:06,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:48:06,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936550177] [2021-11-23 03:48:06,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:06,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:48:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:48:06,427 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 03:48:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:48:06,563 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 03:48:06,563 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 03:48:06,564 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:48:06,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:48:06,570 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 03:48:06,575 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:48:06,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:48:06 BoogieIcfgContainer [2021-11-23 03:48:06,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:48:06,740 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:48:06,740 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:48:06,741 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:48:06,741 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:05" (3/4) ... [2021-11-23 03:48:06,744 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 03:48:06,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:48:06,745 INFO L158 Benchmark]: Toolchain (without parser) took 3121.97ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 64.3MB in the beginning and 95.0MB in the end (delta: -30.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:48:06,745 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:48:06,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.47ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 68.9MB in the end (delta: -4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:48:06,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.36ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 65.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 03:48:06,751 INFO L158 Benchmark]: Boogie Preprocessor took 81.87ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 64.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:48:06,755 INFO L158 Benchmark]: RCFGBuilder took 1005.33ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 63.8MB in the beginning and 78.7MB in the end (delta: -14.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-23 03:48:06,755 INFO L158 Benchmark]: TraceAbstraction took 1555.28ms. Allocated memory is still 125.8MB. Free memory was 78.1MB in the beginning and 95.0MB in the end (delta: -16.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2021-11-23 03:48:06,756 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 125.8MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:48:06,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.47ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 68.9MB in the end (delta: -4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.36ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 65.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.87ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 64.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1005.33ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 63.8MB in the beginning and 78.7MB in the end (delta: -14.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1555.28ms. Allocated memory is still 125.8MB. Free memory was 78.1MB in the beginning and 95.0MB in the end (delta: -16.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 125.8MB. Free memory is still 95.0MB. There was no memory consumed. 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: 624]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 311. Possible FailurePath: [L633] int __retres1 ; [L637] CALL ssl3_connect() [L19] int s__info_callback = __VERIFIER_nondet_int(); [L20] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L21] int s__state ; [L22] int s__new_session ; [L23] int s__server ; [L24] unsigned int s__version = __VERIFIER_nondet_uint(); [L25] int s__type ; [L26] int s__init_num ; [L27] int s__bbio = __VERIFIER_nondet_int(); [L28] int s__wbio = __VERIFIER_nondet_int(); [L29] int s__hit = __VERIFIER_nondet_int(); [L30] int s__rwstate ; [L31] int s__init_buf___0 = __VERIFIER_nondet_int(); [L32] int s__debug = __VERIFIER_nondet_int(); [L33] int s__shutdown ; [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L36] unsigned int s__ctx__stats__sess_connect = __VERIFIER_nondet_uint(); [L37] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L38] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L39] int s__s3__change_cipher_spec ; [L40] int s__s3__flags = __VERIFIER_nondet_int(); [L41] int s__s3__delay_buf_pop_ret ; [L42] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int s__session__compress_meth ; [L51] int buf ; [L52] unsigned long tmp ; [L53] unsigned long l ; [L54] int num1 = __VERIFIER_nondet_int(); [L55] int cb ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int tmp___0 ; [L61] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L62] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L63] int tmp___3 = __VERIFIER_nondet_int(); [L64] int tmp___4 = __VERIFIER_nondet_int(); [L65] int tmp___5 = __VERIFIER_nondet_int(); [L66] int tmp___6 = __VERIFIER_nondet_int(); [L67] int tmp___7 = __VERIFIER_nondet_int(); [L68] int tmp___8 = __VERIFIER_nondet_int(); [L69] int tmp___9 = __VERIFIER_nondet_int(); [L70] int blastFlag ; [L71] int ag_X ; [L72] int ag_Y ; [L73] int ag_Z ; [L74] int __retres60 ; [L77] s__state = 12292 [L78] blastFlag = 0 [L79] tmp = __VERIFIER_nondet_int() [L80] cb = 0 [L81] ret = -1 [L82] skip = 0 [L83] tmp___0 = 0 [L84] COND FALSE !(s__info_callback != 0) [L87] COND FALSE !(s__ctx__info_callback != 0) [L93] s__in_handshake = s__in_handshake + 1 [L94] COND FALSE !(tmp___1 + 12288) [L103] COND FALSE !(\read(s__hit)) [L106] ag_Z = 48 VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 [L111] state = s__state VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND TRUE s__state == 12292 [L215] s__new_session = 1 [L216] s__state = 4096 [L217] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=4096, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L222] s__server = 0 [L223] COND FALSE !(cb != 0) VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L228] COND FALSE !(s__version + 65280 != 768) [L234] s__type = 4096 VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L235] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L253] COND FALSE !(! tmp___4) VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L259] COND FALSE !(! tmp___5) [L265] s__state = 4368 [L266] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L267] s__init_num = 0 VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L611] skip = 0 VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 [L111] state = s__state VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND FALSE !(s__state == 12292) VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L115] COND FALSE !(s__state == 16384) VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L118] COND FALSE !(s__state == 4096) VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L121] COND FALSE !(s__state == 20480) VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L124] COND FALSE !(s__state == 4099) VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L127] COND TRUE s__state == 4368 VAL [ag_Y=208, ag_Z=48, blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L271] s__shutdown = 0 [L272] ret = __VERIFIER_nondet_int() [L273] COND TRUE blastFlag == 0 [L274] blastFlag = 1 VAL [ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L278] COND FALSE !(ret <= 0) [L283] s__state = 4384 [L284] ag_X = s__state - 32 [L285] s__init_num = 0 [L286] COND TRUE (unsigned long )s__bbio != (unsigned long )s__wbio VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L611] skip = 0 VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 [L111] state = s__state VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L133] COND TRUE s__state == 4384 VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=1, cb=0, num1=0, ret=6, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L294] ret = __VERIFIER_nondet_int() [L295] COND TRUE blastFlag == 1 [L296] blastFlag = 2 VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L304] COND FALSE !(ret <= 0) [L309] s__state = ag_X [L310] COND FALSE !(\read(s__hit)) [L313] s__state = s__state | ag_Z [L315] s__init_num = 0 VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L611] skip = 0 VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 [L111] state = s__state VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L139] COND FALSE !(s__state == 4400) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L142] COND FALSE !(s__state == 4401) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L145] COND FALSE !(s__state == 4416) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L148] COND FALSE !(s__state == 4417) VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L151] COND TRUE s__state == 4432 VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L361] ret = __VERIFIER_nondet_int() [L362] COND TRUE blastFlag <= 5 VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=0, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L624] reach_error() VAL [ag_X=4352, ag_Y=208, ag_Z=48, blastFlag=2, cb=0, num1=0, ret=0, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=0, s__info_callback=0, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 448 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 138 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 321 IncrementalHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 327 mSDtfsCounter, 321 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=3, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 15/15 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 [2021-11-23 03:48:06,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/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 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_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V --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 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:48:09,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:48:09,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:48:09,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:48:09,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:48:09,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:48:09,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:48:09,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:48:09,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:48:09,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:48:09,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:48:09,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:48:09,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:48:09,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:48:09,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:48:09,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:48:09,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:48:09,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:48:09,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:48:09,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:48:09,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:48:09,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:48:09,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:48:09,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:48:09,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:48:09,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:48:09,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:48:09,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:48:09,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:48:09,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:48:09,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:48:09,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:48:09,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:48:09,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:48:09,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:48:09,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:48:09,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:48:09,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:48:09,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:48:09,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:48:09,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:48:09,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 03:48:09,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:48:09,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:48:09,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:48:09,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:48:09,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:48:09,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:48:09,390 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:48:09,391 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:48:09,391 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:48:09,391 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:48:09,392 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:48:09,392 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:48:09,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:48:09,393 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:48:09,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:48:09,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:48:09,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:48:09,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:48:09,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:48:09,394 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:48:09,394 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:48:09,394 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:48:09,394 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:48:09,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:48:09,395 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:48:09,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:48:09,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:48:09,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:48:09,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:48:09,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:48:09,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:48:09,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:48:09,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:48:09,396 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:48:09,397 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:48:09,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:48:09,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:48:09,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:48:09,397 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_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 [2021-11-23 03:48:09,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:48:09,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:48:09,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:48:09,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:48:09,892 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:48:09,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-11-23 03:48:09,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/data/f580879cc/a31bad8bf42c43eb954961405a3942b5/FLAG9ddd08ef2 [2021-11-23 03:48:10,486 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:48:10,487 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-11-23 03:48:10,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/data/f580879cc/a31bad8bf42c43eb954961405a3942b5/FLAG9ddd08ef2 [2021-11-23 03:48:10,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/data/f580879cc/a31bad8bf42c43eb954961405a3942b5 [2021-11-23 03:48:10,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:48:10,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:48:10,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:48:10,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:48:10,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:48:10,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:10" (1/1) ... [2021-11-23 03:48:10,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ce5499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:10, skipping insertion in model container [2021-11-23 03:48:10,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:10" (1/1) ... [2021-11-23 03:48:10,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:48:10,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:48:11,096 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_cae3aab2-febc-4583-8bad-5c088f9874bc/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-11-23 03:48:11,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:48:11,146 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:48:11,255 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_cae3aab2-febc-4583-8bad-5c088f9874bc/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-11-23 03:48:11,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:48:11,283 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:48:11,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11 WrapperNode [2021-11-23 03:48:11,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:48:11,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:48:11,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:48:11,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:48:11,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (1/1) ... [2021-11-23 03:48:11,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (1/1) ... [2021-11-23 03:48:11,332 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 440 [2021-11-23 03:48:11,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:48:11,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:48:11,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:48:11,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:48:11,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (1/1) ... [2021-11-23 03:48:11,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (1/1) ... [2021-11-23 03:48:11,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (1/1) ... [2021-11-23 03:48:11,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (1/1) ... [2021-11-23 03:48:11,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (1/1) ... [2021-11-23 03:48:11,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (1/1) ... [2021-11-23 03:48:11,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (1/1) ... [2021-11-23 03:48:11,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:48:11,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:48:11,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:48:11,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:48:11,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (1/1) ... [2021-11-23 03:48:11,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:48:11,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:48:11,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:48:11,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:48:11,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:48:11,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 03:48:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:48:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:48:11,623 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:48:11,625 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:48:11,641 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 03:48:12,041 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-11-23 03:48:12,041 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-11-23 03:48:12,042 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:48:12,050 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:48:12,050 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:48:12,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:12 BoogieIcfgContainer [2021-11-23 03:48:12,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:48:12,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:48:12,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:48:12,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:48:12,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:48:10" (1/3) ... [2021-11-23 03:48:12,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143c2ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:48:12, skipping insertion in model container [2021-11-23 03:48:12,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:11" (2/3) ... [2021-11-23 03:48:12,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143c2ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:48:12, skipping insertion in model container [2021-11-23 03:48:12,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:12" (3/3) ... [2021-11-23 03:48:12,060 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2021-11-23 03:48:12,065 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:48:12,065 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:48:12,113 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:48:12,120 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 [2021-11-23 03:48:12,120 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:48:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 125 states have internal predecessors, (215), 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) [2021-11-23 03:48:12,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 03:48:12,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:12,147 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] [2021-11-23 03:48:12,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:12,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:12,153 INFO L85 PathProgramCache]: Analyzing trace with hash 259999105, now seen corresponding path program 1 times [2021-11-23 03:48:12,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:12,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141275703] [2021-11-23 03:48:12,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:12,175 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:12,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:12,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:12,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 03:48:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:12,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:12,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:48:12,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:48:12,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:12,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141275703] [2021-11-23 03:48:12,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141275703] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:12,471 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:12,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:12,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030023626] [2021-11-23 03:48:12,474 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:12,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:12,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:12,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:12,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:12,511 INFO L87 Difference]: Start difference. First operand has 126 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 125 states have internal predecessors, (215), 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 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-23 03:48:12,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:12,668 INFO L93 Difference]: Finished difference Result 247 states and 423 transitions. [2021-11-23 03:48:12,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:12,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-23 03:48:12,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:12,681 INFO L225 Difference]: With dead ends: 247 [2021-11-23 03:48:12,681 INFO L226 Difference]: Without dead ends: 113 [2021-11-23 03:48:12,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:12,688 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 8 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:12,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 320 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:48:12,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-23 03:48:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-11-23 03:48:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 112 states have internal predecessors, (171), 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) [2021-11-23 03:48:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 171 transitions. [2021-11-23 03:48:12,750 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 171 transitions. Word has length 25 [2021-11-23 03:48:12,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:12,750 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 171 transitions. [2021-11-23 03:48:12,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-23 03:48:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2021-11-23 03:48:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 03:48:12,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:12,753 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] [2021-11-23 03:48:12,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:12,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:12,964 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:12,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:12,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1138040513, now seen corresponding path program 1 times [2021-11-23 03:48:12,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:12,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866494348] [2021-11-23 03:48:12,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:12,966 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:12,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:12,969 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:12,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 03:48:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:13,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:13,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:48:13,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:13,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:48:13,293 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:13,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866494348] [2021-11-23 03:48:13,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866494348] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:13,296 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:13,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:13,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690893845] [2021-11-23 03:48:13,301 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:13,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:13,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:13,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:13,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:13,305 INFO L87 Difference]: Start difference. First operand 113 states and 171 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-11-23 03:48:13,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:13,507 INFO L93 Difference]: Finished difference Result 233 states and 356 transitions. [2021-11-23 03:48:13,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:13,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2021-11-23 03:48:13,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:13,511 INFO L225 Difference]: With dead ends: 233 [2021-11-23 03:48:13,511 INFO L226 Difference]: Without dead ends: 131 [2021-11-23 03:48:13,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:13,513 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:13,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 241 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:48:13,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-23 03:48:13,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2021-11-23 03:48:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.5039370078740157) internal successors, (191), 127 states have internal predecessors, (191), 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) [2021-11-23 03:48:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 191 transitions. [2021-11-23 03:48:13,531 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 191 transitions. Word has length 37 [2021-11-23 03:48:13,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:13,531 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 191 transitions. [2021-11-23 03:48:13,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-11-23 03:48:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 191 transitions. [2021-11-23 03:48:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 03:48:13,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:13,534 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-23 03:48:13,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:13,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:13,755 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:13,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:13,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1126420040, now seen corresponding path program 1 times [2021-11-23 03:48:13,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:13,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951316976] [2021-11-23 03:48:13,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:13,757 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:13,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:13,758 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:13,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 03:48:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:13,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:13,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:13,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:14,117 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:14,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951316976] [2021-11-23 03:48:14,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951316976] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:14,120 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:14,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:14,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684276063] [2021-11-23 03:48:14,121 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:14,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:14,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:14,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:14,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:14,128 INFO L87 Difference]: Start difference. First operand 128 states and 191 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) 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) [2021-11-23 03:48:14,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:14,165 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2021-11-23 03:48:14,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:14,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) 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 51 [2021-11-23 03:48:14,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:14,175 INFO L225 Difference]: With dead ends: 271 [2021-11-23 03:48:14,175 INFO L226 Difference]: Without dead ends: 154 [2021-11-23 03:48:14,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:14,182 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 21 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:14,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 311 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:48:14,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-23 03:48:14,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-11-23 03:48:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.4640522875816993) internal successors, (224), 153 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) [2021-11-23 03:48:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 224 transitions. [2021-11-23 03:48:14,215 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 224 transitions. Word has length 51 [2021-11-23 03:48:14,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:14,216 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 224 transitions. [2021-11-23 03:48:14,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) 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) [2021-11-23 03:48:14,216 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 224 transitions. [2021-11-23 03:48:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 03:48:14,224 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:14,230 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-23 03:48:14,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:14,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:14,435 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:14,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:14,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1260433546, now seen corresponding path program 1 times [2021-11-23 03:48:14,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:14,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528640388] [2021-11-23 03:48:14,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:14,437 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:14,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:14,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:14,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 03:48:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:14,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:14,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:14,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:14,701 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:14,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528640388] [2021-11-23 03:48:14,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528640388] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:14,702 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:14,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:14,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076527297] [2021-11-23 03:48:14,703 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:14,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:14,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:14,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:14,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:14,706 INFO L87 Difference]: Start difference. First operand 154 states and 224 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) 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) [2021-11-23 03:48:14,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:14,833 INFO L93 Difference]: Finished difference Result 292 states and 435 transitions. [2021-11-23 03:48:14,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:14,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) 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 51 [2021-11-23 03:48:14,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:14,838 INFO L225 Difference]: With dead ends: 292 [2021-11-23 03:48:14,838 INFO L226 Difference]: Without dead ends: 175 [2021-11-23 03:48:14,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:14,850 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 16 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:14,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 254 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:48:14,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-11-23 03:48:14,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 171. [2021-11-23 03:48:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.4470588235294117) internal successors, (246), 170 states have internal predecessors, (246), 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) [2021-11-23 03:48:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 246 transitions. [2021-11-23 03:48:14,870 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 246 transitions. Word has length 51 [2021-11-23 03:48:14,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:14,871 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 246 transitions. [2021-11-23 03:48:14,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) 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) [2021-11-23 03:48:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 246 transitions. [2021-11-23 03:48:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 03:48:14,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:14,873 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:14,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:15,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:15,084 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:15,085 INFO L85 PathProgramCache]: Analyzing trace with hash -457628469, now seen corresponding path program 1 times [2021-11-23 03:48:15,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:15,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467659193] [2021-11-23 03:48:15,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:15,086 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:15,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:15,087 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:15,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 03:48:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:15,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:48:15,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:15,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:15,781 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:15,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467659193] [2021-11-23 03:48:15,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467659193] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:15,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [370464875] [2021-11-23 03:48:15,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:15,783 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 03:48:15,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 [2021-11-23 03:48:15,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 03:48:15,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-23 03:48:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:15,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:48:15,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:16,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:16,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [370464875] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:16,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274951788] [2021-11-23 03:48:16,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:16,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:48:16,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:48:16,384 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:48:16,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 03:48:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:16,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:48:16,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:16,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:16,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274951788] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:16,850 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 03:48:16,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2021-11-23 03:48:16,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237700207] [2021-11-23 03:48:16,852 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 03:48:16,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:48:16,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:16,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:48:16,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:48:16,854 INFO L87 Difference]: Start difference. First operand 171 states and 246 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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) [2021-11-23 03:48:17,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:17,009 INFO L93 Difference]: Finished difference Result 480 states and 706 transitions. [2021-11-23 03:48:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:48:17,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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 [2021-11-23 03:48:17,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:17,015 INFO L225 Difference]: With dead ends: 480 [2021-11-23 03:48:17,016 INFO L226 Difference]: Without dead ends: 346 [2021-11-23 03:48:17,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 396 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:48:17,017 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 141 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 93 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:17,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 558 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 62 Invalid, 0 Unknown, 93 Unchecked, 0.1s Time] [2021-11-23 03:48:17,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-11-23 03:48:17,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 309. [2021-11-23 03:48:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 308 states have (on average 1.4675324675324675) internal successors, (452), 308 states have internal predecessors, (452), 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) [2021-11-23 03:48:17,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 452 transitions. [2021-11-23 03:48:17,068 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 452 transitions. Word has length 68 [2021-11-23 03:48:17,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:17,068 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 452 transitions. [2021-11-23 03:48:17,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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) [2021-11-23 03:48:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 452 transitions. [2021-11-23 03:48:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 03:48:17,070 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:17,071 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:17,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:17,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-23 03:48:17,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2021-11-23 03:48:17,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt [2021-11-23 03:48:17,683 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:17,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:17,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2031900493, now seen corresponding path program 1 times [2021-11-23 03:48:17,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:17,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169366086] [2021-11-23 03:48:17,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:17,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:17,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:17,685 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:17,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 03:48:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:17,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:17,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:17,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:18,032 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:18,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169366086] [2021-11-23 03:48:18,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169366086] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:18,033 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:18,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:18,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563425773] [2021-11-23 03:48:18,034 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:18,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:18,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:18,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:18,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:18,036 INFO L87 Difference]: Start difference. First operand 309 states and 452 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-23 03:48:18,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:18,065 INFO L93 Difference]: Finished difference Result 690 states and 1024 transitions. [2021-11-23 03:48:18,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:18,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 [2021-11-23 03:48:18,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:18,069 INFO L225 Difference]: With dead ends: 690 [2021-11-23 03:48:18,069 INFO L226 Difference]: Without dead ends: 447 [2021-11-23 03:48:18,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:18,071 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 124 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:18,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 323 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:48:18,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-11-23 03:48:18,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2021-11-23 03:48:18,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.4684684684684686) internal successors, (652), 444 states have internal predecessors, (652), 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) [2021-11-23 03:48:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 652 transitions. [2021-11-23 03:48:18,091 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 652 transitions. Word has length 68 [2021-11-23 03:48:18,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:18,092 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 652 transitions. [2021-11-23 03:48:18,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-23 03:48:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 652 transitions. [2021-11-23 03:48:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 03:48:18,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:18,094 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:18,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:18,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:18,305 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:18,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:18,305 INFO L85 PathProgramCache]: Analyzing trace with hash -875025075, now seen corresponding path program 1 times [2021-11-23 03:48:18,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:18,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917518552] [2021-11-23 03:48:18,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:18,306 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:18,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:18,307 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:18,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 03:48:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:18,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:18,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:18,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:18,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:18,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917518552] [2021-11-23 03:48:18,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917518552] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:18,667 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:18,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:18,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603893122] [2021-11-23 03:48:18,668 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:18,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:18,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:18,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:18,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:18,669 INFO L87 Difference]: Start difference. First operand 445 states and 652 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-23 03:48:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:18,693 INFO L93 Difference]: Finished difference Result 604 states and 888 transitions. [2021-11-23 03:48:18,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:18,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 [2021-11-23 03:48:18,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:18,697 INFO L225 Difference]: With dead ends: 604 [2021-11-23 03:48:18,698 INFO L226 Difference]: Without dead ends: 447 [2021-11-23 03:48:18,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:18,699 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 122 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:18,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 464 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:48:18,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-11-23 03:48:18,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2021-11-23 03:48:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.4617117117117118) internal successors, (649), 444 states have internal predecessors, (649), 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) [2021-11-23 03:48:18,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 649 transitions. [2021-11-23 03:48:18,718 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 649 transitions. Word has length 68 [2021-11-23 03:48:18,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:18,719 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 649 transitions. [2021-11-23 03:48:18,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-23 03:48:18,719 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 649 transitions. [2021-11-23 03:48:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 03:48:18,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:18,721 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:18,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:18,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:18,931 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:18,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:18,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1614503887, now seen corresponding path program 1 times [2021-11-23 03:48:18,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:18,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585583355] [2021-11-23 03:48:18,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:18,933 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:18,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:18,935 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:18,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-23 03:48:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:19,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:48:19,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:19,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:19,442 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:19,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585583355] [2021-11-23 03:48:19,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585583355] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:19,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1680642798] [2021-11-23 03:48:19,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:19,442 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 03:48:19,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 [2021-11-23 03:48:19,443 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 03:48:19,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-23 03:48:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:19,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:48:19,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:19,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:20,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1680642798] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:20,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160272705] [2021-11-23 03:48:20,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:20,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:48:20,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:48:20,066 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:48:20,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-23 03:48:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:20,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:48:20,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:20,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:20,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160272705] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:20,547 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 03:48:20,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7, 7, 4, 4] total 14 [2021-11-23 03:48:20,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686616116] [2021-11-23 03:48:20,547 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 03:48:20,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:48:20,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:20,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:48:20,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:48:20,549 INFO L87 Difference]: Start difference. First operand 445 states and 649 transitions. Second operand has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 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) [2021-11-23 03:48:21,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:21,975 INFO L93 Difference]: Finished difference Result 864 states and 1295 transitions. [2021-11-23 03:48:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 03:48:21,976 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 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 [2021-11-23 03:48:21,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:21,981 INFO L225 Difference]: With dead ends: 864 [2021-11-23 03:48:21,981 INFO L226 Difference]: Without dead ends: 708 [2021-11-23 03:48:21,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2021-11-23 03:48:21,983 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 924 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 232 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:21,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [924 Valid, 1726 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1281 Invalid, 0 Unknown, 232 Unchecked, 1.1s Time] [2021-11-23 03:48:21,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2021-11-23 03:48:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 504. [2021-11-23 03:48:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 503 states have (on average 1.4274353876739563) internal successors, (718), 503 states have internal predecessors, (718), 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) [2021-11-23 03:48:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 718 transitions. [2021-11-23 03:48:22,012 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 718 transitions. Word has length 68 [2021-11-23 03:48:22,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:22,013 INFO L470 AbstractCegarLoop]: Abstraction has 504 states and 718 transitions. [2021-11-23 03:48:22,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 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) [2021-11-23 03:48:22,013 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 718 transitions. [2021-11-23 03:48:22,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 03:48:22,014 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:22,014 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:22,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:22,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:22,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-11-23 03:48:22,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:48:22,626 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:22,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:22,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1306206804, now seen corresponding path program 1 times [2021-11-23 03:48:22,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:22,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301354654] [2021-11-23 03:48:22,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:22,627 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:22,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:22,628 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:22,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-23 03:48:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:22,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:48:22,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:22,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 03:48:23,096 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:23,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301354654] [2021-11-23 03:48:23,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301354654] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:23,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [891901251] [2021-11-23 03:48:23,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:23,097 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 03:48:23,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 [2021-11-23 03:48:23,099 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 03:48:23,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-23 03:48:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:23,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:48:23,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:23,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:23,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [891901251] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:23,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082392932] [2021-11-23 03:48:23,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:23,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:48:23,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:48:23,776 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:48:23,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-23 03:48:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:23,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:48:23,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:24,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:24,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082392932] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:24,191 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 03:48:24,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 7, 7, 6, 6] total 14 [2021-11-23 03:48:24,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966006217] [2021-11-23 03:48:24,192 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 03:48:24,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:48:24,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:24,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:48:24,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:48:24,194 INFO L87 Difference]: Start difference. First operand 504 states and 718 transitions. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 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) [2021-11-23 03:48:26,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:26,663 INFO L93 Difference]: Finished difference Result 2059 states and 3083 transitions. [2021-11-23 03:48:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-23 03:48:26,664 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 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 69 [2021-11-23 03:48:26,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:26,684 INFO L225 Difference]: With dead ends: 2059 [2021-11-23 03:48:26,685 INFO L226 Difference]: Without dead ends: 1621 [2021-11-23 03:48:26,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=863, Unknown=0, NotChecked=0, Total=1260 [2021-11-23 03:48:26,689 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 1610 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 2584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 521 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:26,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1610 Valid, 1618 Invalid, 2584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 1810 Invalid, 0 Unknown, 521 Unchecked, 1.9s Time] [2021-11-23 03:48:26,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2021-11-23 03:48:26,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 631. [2021-11-23 03:48:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 630 states have (on average 1.415873015873016) internal successors, (892), 630 states have internal predecessors, (892), 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) [2021-11-23 03:48:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 892 transitions. [2021-11-23 03:48:26,728 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 892 transitions. Word has length 69 [2021-11-23 03:48:26,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:26,728 INFO L470 AbstractCegarLoop]: Abstraction has 631 states and 892 transitions. [2021-11-23 03:48:26,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 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) [2021-11-23 03:48:26,729 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 892 transitions. [2021-11-23 03:48:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 03:48:26,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:26,737 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:26,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:26,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:27,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2021-11-23 03:48:27,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt [2021-11-23 03:48:27,348 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:27,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:27,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1334551695, now seen corresponding path program 1 times [2021-11-23 03:48:27,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:27,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271941858] [2021-11-23 03:48:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:27,349 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:27,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:27,350 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:27,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-23 03:48:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:27,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:27,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 03:48:27,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 03:48:27,739 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:27,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271941858] [2021-11-23 03:48:27,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271941858] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:27,740 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:27,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:27,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534594588] [2021-11-23 03:48:27,740 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:27,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:27,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:27,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:27,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:27,742 INFO L87 Difference]: Start difference. First operand 631 states and 892 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2021-11-23 03:48:27,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:27,784 INFO L93 Difference]: Finished difference Result 1667 states and 2333 transitions. [2021-11-23 03:48:27,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:27,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 92 [2021-11-23 03:48:27,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:27,792 INFO L225 Difference]: With dead ends: 1667 [2021-11-23 03:48:27,792 INFO L226 Difference]: Without dead ends: 1102 [2021-11-23 03:48:27,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:27,795 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 130 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:27,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 398 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:48:27,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2021-11-23 03:48:27,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1100. [2021-11-23 03:48:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1099 states have (on average 1.3721565059144678) internal successors, (1508), 1099 states have internal predecessors, (1508), 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) [2021-11-23 03:48:27,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1508 transitions. [2021-11-23 03:48:27,852 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1508 transitions. Word has length 92 [2021-11-23 03:48:27,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:27,852 INFO L470 AbstractCegarLoop]: Abstraction has 1100 states and 1508 transitions. [2021-11-23 03:48:27,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2021-11-23 03:48:27,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1508 transitions. [2021-11-23 03:48:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 03:48:27,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:27,855 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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] [2021-11-23 03:48:27,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:28,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:28,067 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:28,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:28,068 INFO L85 PathProgramCache]: Analyzing trace with hash -530145247, now seen corresponding path program 1 times [2021-11-23 03:48:28,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:28,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642115492] [2021-11-23 03:48:28,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:28,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:28,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:28,070 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:28,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-23 03:48:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:28,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:28,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 03:48:28,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:28,482 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 03:48:28,482 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:28,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642115492] [2021-11-23 03:48:28,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642115492] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:28,483 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:28,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:28,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572883294] [2021-11-23 03:48:28,484 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:28,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:28,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:28,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:28,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:28,486 INFO L87 Difference]: Start difference. First operand 1100 states and 1508 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-11-23 03:48:28,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:28,526 INFO L93 Difference]: Finished difference Result 1667 states and 2299 transitions. [2021-11-23 03:48:28,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:28,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 93 [2021-11-23 03:48:28,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:28,533 INFO L225 Difference]: With dead ends: 1667 [2021-11-23 03:48:28,533 INFO L226 Difference]: Without dead ends: 1102 [2021-11-23 03:48:28,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:28,536 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 114 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:28,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 417 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:48:28,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2021-11-23 03:48:28,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1079. [2021-11-23 03:48:28,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1078 states have (on average 1.3617810760667903) internal successors, (1468), 1078 states have internal predecessors, (1468), 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) [2021-11-23 03:48:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1468 transitions. [2021-11-23 03:48:28,591 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1468 transitions. Word has length 93 [2021-11-23 03:48:28,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:28,592 INFO L470 AbstractCegarLoop]: Abstraction has 1079 states and 1468 transitions. [2021-11-23 03:48:28,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-11-23 03:48:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1468 transitions. [2021-11-23 03:48:28,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 03:48:28,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:28,595 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:28,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:28,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:28,806 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:28,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:28,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1989558831, now seen corresponding path program 1 times [2021-11-23 03:48:28,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:28,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411050730] [2021-11-23 03:48:28,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:28,807 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:28,808 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:28,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-23 03:48:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:28,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:28,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 03:48:29,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:29,202 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 03:48:29,203 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:29,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411050730] [2021-11-23 03:48:29,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411050730] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:29,203 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:29,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:29,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185785998] [2021-11-23 03:48:29,206 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:29,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:29,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:29,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:29,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:29,207 INFO L87 Difference]: Start difference. First operand 1079 states and 1468 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-11-23 03:48:29,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:29,252 INFO L93 Difference]: Finished difference Result 1680 states and 2296 transitions. [2021-11-23 03:48:29,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:29,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 95 [2021-11-23 03:48:29,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:29,259 INFO L225 Difference]: With dead ends: 1680 [2021-11-23 03:48:29,259 INFO L226 Difference]: Without dead ends: 1093 [2021-11-23 03:48:29,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:29,262 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 148 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:29,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 172 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:48:29,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2021-11-23 03:48:29,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1085. [2021-11-23 03:48:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1084 states have (on average 1.3440959409594095) internal successors, (1457), 1084 states have internal predecessors, (1457), 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) [2021-11-23 03:48:29,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1457 transitions. [2021-11-23 03:48:29,319 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1457 transitions. Word has length 95 [2021-11-23 03:48:29,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:29,320 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1457 transitions. [2021-11-23 03:48:29,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-11-23 03:48:29,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1457 transitions. [2021-11-23 03:48:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 03:48:29,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:29,323 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-23 03:48:29,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:29,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:29,544 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:29,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:29,544 INFO L85 PathProgramCache]: Analyzing trace with hash 673756919, now seen corresponding path program 1 times [2021-11-23 03:48:29,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:29,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536533002] [2021-11-23 03:48:29,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:29,545 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:29,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:29,546 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:29,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-23 03:48:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:29,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:48:29,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 03:48:29,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 03:48:29,992 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:29,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536533002] [2021-11-23 03:48:29,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536533002] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:29,992 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:29,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:29,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031601088] [2021-11-23 03:48:29,993 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:29,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:29,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:29,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:29,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:29,995 INFO L87 Difference]: Start difference. First operand 1085 states and 1457 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) [2021-11-23 03:48:30,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:30,098 INFO L93 Difference]: Finished difference Result 3144 states and 4220 transitions. [2021-11-23 03:48:30,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:30,099 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 100 [2021-11-23 03:48:30,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:30,110 INFO L225 Difference]: With dead ends: 3144 [2021-11-23 03:48:30,111 INFO L226 Difference]: Without dead ends: 2079 [2021-11-23 03:48:30,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:30,116 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 133 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:30,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 326 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:48:30,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2021-11-23 03:48:30,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 2072. [2021-11-23 03:48:30,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2072 states, 2071 states have (on average 1.331240946402704) internal successors, (2757), 2071 states have internal predecessors, (2757), 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) [2021-11-23 03:48:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 2757 transitions. [2021-11-23 03:48:30,234 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 2757 transitions. Word has length 100 [2021-11-23 03:48:30,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:30,235 INFO L470 AbstractCegarLoop]: Abstraction has 2072 states and 2757 transitions. [2021-11-23 03:48:30,235 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) [2021-11-23 03:48:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2757 transitions. [2021-11-23 03:48:30,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 03:48:30,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:30,239 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-23 03:48:30,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:30,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:30,456 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:30,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:30,456 INFO L85 PathProgramCache]: Analyzing trace with hash -426588557, now seen corresponding path program 1 times [2021-11-23 03:48:30,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:30,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436770027] [2021-11-23 03:48:30,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:30,457 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:30,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:30,458 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:30,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-23 03:48:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:30,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:30,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 03:48:30,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:30,934 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 03:48:30,935 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:30,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436770027] [2021-11-23 03:48:30,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436770027] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:30,935 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:30,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:48:30,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363813991] [2021-11-23 03:48:30,936 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:30,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:48:30,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:30,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:48:30,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:30,937 INFO L87 Difference]: Start difference. First operand 2072 states and 2757 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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) [2021-11-23 03:48:31,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:31,021 INFO L93 Difference]: Finished difference Result 3101 states and 4125 transitions. [2021-11-23 03:48:31,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:48:31,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 101 [2021-11-23 03:48:31,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:31,034 INFO L225 Difference]: With dead ends: 3101 [2021-11-23 03:48:31,034 INFO L226 Difference]: Without dead ends: 2074 [2021-11-23 03:48:31,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:48:31,037 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 120 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:31,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 480 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:48:31,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2021-11-23 03:48:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2043. [2021-11-23 03:48:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2043 states, 2042 states have (on average 1.321743388834476) internal successors, (2699), 2042 states have internal predecessors, (2699), 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) [2021-11-23 03:48:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2699 transitions. [2021-11-23 03:48:31,172 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2699 transitions. Word has length 101 [2021-11-23 03:48:31,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:31,172 INFO L470 AbstractCegarLoop]: Abstraction has 2043 states and 2699 transitions. [2021-11-23 03:48:31,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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) [2021-11-23 03:48:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2699 transitions. [2021-11-23 03:48:31,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 03:48:31,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:31,177 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-23 03:48:31,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:31,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:31,388 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:31,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:31,390 INFO L85 PathProgramCache]: Analyzing trace with hash -2140745463, now seen corresponding path program 1 times [2021-11-23 03:48:31,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:31,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968124849] [2021-11-23 03:48:31,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:31,391 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:31,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:31,394 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:31,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-23 03:48:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:31,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:48:31,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 55 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:48:31,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 55 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:48:31,947 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:31,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968124849] [2021-11-23 03:48:31,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968124849] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:31,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2003640224] [2021-11-23 03:48:31,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:31,948 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 03:48:31,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 [2021-11-23 03:48:31,949 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 03:48:31,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-11-23 03:48:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:32,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:48:32,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:48:32,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:32,354 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:48:32,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2003640224] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:32,354 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:48:32,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4, 4] total 8 [2021-11-23 03:48:32,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143319907] [2021-11-23 03:48:32,355 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:32,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:48:32,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:32,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:48:32,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:48:32,357 INFO L87 Difference]: Start difference. First operand 2043 states and 2699 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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) [2021-11-23 03:48:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:32,526 INFO L93 Difference]: Finished difference Result 5936 states and 7886 transitions. [2021-11-23 03:48:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:48:32,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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 102 [2021-11-23 03:48:32,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:32,550 INFO L225 Difference]: With dead ends: 5936 [2021-11-23 03:48:32,550 INFO L226 Difference]: Without dead ends: 4063 [2021-11-23 03:48:32,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:48:32,556 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 264 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:32,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 385 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:48:32,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4063 states. [2021-11-23 03:48:32,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4063 to 4047. [2021-11-23 03:48:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4047 states, 4046 states have (on average 1.3109243697478992) internal successors, (5304), 4046 states have internal predecessors, (5304), 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) [2021-11-23 03:48:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4047 states to 4047 states and 5304 transitions. [2021-11-23 03:48:32,825 INFO L78 Accepts]: Start accepts. Automaton has 4047 states and 5304 transitions. Word has length 102 [2021-11-23 03:48:32,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:32,826 INFO L470 AbstractCegarLoop]: Abstraction has 4047 states and 5304 transitions. [2021-11-23 03:48:32,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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) [2021-11-23 03:48:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 4047 states and 5304 transitions. [2021-11-23 03:48:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 03:48:32,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:32,833 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:32,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:33,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:33,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt [2021-11-23 03:48:33,245 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:33,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:33,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1164723837, now seen corresponding path program 1 times [2021-11-23 03:48:33,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:33,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073209677] [2021-11-23 03:48:33,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:33,246 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:33,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:33,248 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:33,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-23 03:48:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:33,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:48:33,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 55 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:48:33,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 55 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:48:33,832 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:48:33,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073209677] [2021-11-23 03:48:33,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073209677] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:33,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [753987397] [2021-11-23 03:48:33,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:33,832 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 03:48:33,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 [2021-11-23 03:48:33,835 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 03:48:33,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2021-11-23 03:48:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:33,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 03:48:33,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:34,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 55 proven. 50 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:34,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [753987397] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:34,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563599701] [2021-11-23 03:48:34,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:34,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:48:34,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:48:34,562 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:48:34,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-23 03:48:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:34,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 03:48:34,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:48:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:34,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:48:35,132 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 55 proven. 50 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:48:35,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563599701] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:48:35,132 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 03:48:35,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 6, 6, 6, 6] total 12 [2021-11-23 03:48:35,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23419202] [2021-11-23 03:48:35,133 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 03:48:35,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 03:48:35,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:48:35,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 03:48:35,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:48:35,134 INFO L87 Difference]: Start difference. First operand 4047 states and 5304 transitions. Second operand has 12 states, 12 states have (on average 18.916666666666668) internal successors, (227), 12 states have internal predecessors, (227), 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) [2021-11-23 03:48:36,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:36,865 INFO L93 Difference]: Finished difference Result 12129 states and 16262 transitions. [2021-11-23 03:48:36,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 03:48:36,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 18.916666666666668) internal successors, (227), 12 states have internal predecessors, (227), 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 103 [2021-11-23 03:48:36,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:36,911 INFO L225 Difference]: With dead ends: 12129 [2021-11-23 03:48:36,911 INFO L226 Difference]: Without dead ends: 8252 [2021-11-23 03:48:36,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=397, Unknown=0, NotChecked=0, Total=600 [2021-11-23 03:48:36,918 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 1374 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 461 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:36,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1374 Valid, 1349 Invalid, 1679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 1047 Invalid, 0 Unknown, 461 Unchecked, 1.1s Time] [2021-11-23 03:48:36,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8252 states. [2021-11-23 03:48:37,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8252 to 3968. [2021-11-23 03:48:37,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 3967 states have (on average 1.3004789513486261) internal successors, (5159), 3967 states have internal predecessors, (5159), 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) [2021-11-23 03:48:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5159 transitions. [2021-11-23 03:48:37,192 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5159 transitions. Word has length 103 [2021-11-23 03:48:37,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:37,193 INFO L470 AbstractCegarLoop]: Abstraction has 3968 states and 5159 transitions. [2021-11-23 03:48:37,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.916666666666668) internal successors, (227), 12 states have internal predecessors, (227), 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) [2021-11-23 03:48:37,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5159 transitions. [2021-11-23 03:48:37,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 03:48:37,199 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:37,199 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:37,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:37,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2021-11-23 03:48:37,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:37,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:48:37,811 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:37,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:37,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1888659291, now seen corresponding path program 1 times [2021-11-23 03:48:37,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:48:37,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170008858] [2021-11-23 03:48:37,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:37,811 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:48:37,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:48:37,812 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:48:37,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-23 03:48:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:48:37,869 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 03:48:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:48:38,093 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-23 03:48:38,093 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 03:48:38,094 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:48:38,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-23 03:48:38,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:48:38,311 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:48:38,314 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:48:38,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:48:38 BoogieIcfgContainer [2021-11-23 03:48:38,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:48:38,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:48:38,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:48:38,504 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:48:38,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:12" (3/4) ... [2021-11-23 03:48:38,507 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 03:48:38,727 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:48:38,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:48:38,729 INFO L158 Benchmark]: Toolchain (without parser) took 27900.25ms. Allocated memory was 69.2MB in the beginning and 176.2MB in the end (delta: 107.0MB). Free memory was 47.2MB in the beginning and 50.9MB in the end (delta: -3.7MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2021-11-23 03:48:38,729 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:48:38,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.86ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 48.2MB in the end (delta: -1.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 03:48:38,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.06ms. Allocated memory is still 69.2MB. Free memory was 48.2MB in the beginning and 45.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 03:48:38,731 INFO L158 Benchmark]: Boogie Preprocessor took 74.57ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 43.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:48:38,731 INFO L158 Benchmark]: RCFGBuilder took 643.45ms. Allocated memory is still 69.2MB. Free memory was 43.7MB in the beginning and 37.7MB in the end (delta: 6.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-23 03:48:38,732 INFO L158 Benchmark]: TraceAbstraction took 26448.62ms. Allocated memory was 69.2MB in the beginning and 176.2MB in the end (delta: 107.0MB). Free memory was 37.1MB in the beginning and 71.9MB in the end (delta: -34.8MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2021-11-23 03:48:38,732 INFO L158 Benchmark]: Witness Printer took 224.71ms. Allocated memory is still 176.2MB. Free memory was 71.9MB in the beginning and 50.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 03:48:38,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.86ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 48.2MB in the end (delta: -1.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.06ms. Allocated memory is still 69.2MB. Free memory was 48.2MB in the beginning and 45.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.57ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 43.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.45ms. Allocated memory is still 69.2MB. Free memory was 43.7MB in the beginning and 37.7MB in the end (delta: 6.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 26448.62ms. Allocated memory was 69.2MB in the beginning and 176.2MB in the end (delta: 107.0MB). Free memory was 37.1MB in the beginning and 71.9MB in the end (delta: -34.8MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. * Witness Printer took 224.71ms. Allocated memory is still 176.2MB. Free memory was 71.9MB in the beginning and 50.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. 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: 624]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L633] int __retres1 ; [L637] CALL ssl3_connect() [L19] int s__info_callback = __VERIFIER_nondet_int(); [L20] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L21] int s__state ; [L22] int s__new_session ; [L23] int s__server ; [L24] unsigned int s__version = __VERIFIER_nondet_uint(); [L25] int s__type ; [L26] int s__init_num ; [L27] int s__bbio = __VERIFIER_nondet_int(); [L28] int s__wbio = __VERIFIER_nondet_int(); [L29] int s__hit = __VERIFIER_nondet_int(); [L30] int s__rwstate ; [L31] int s__init_buf___0 = __VERIFIER_nondet_int(); [L32] int s__debug = __VERIFIER_nondet_int(); [L33] int s__shutdown ; [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L36] unsigned int s__ctx__stats__sess_connect = __VERIFIER_nondet_uint(); [L37] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L38] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L39] int s__s3__change_cipher_spec ; [L40] int s__s3__flags = __VERIFIER_nondet_int(); [L41] int s__s3__delay_buf_pop_ret ; [L42] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int s__session__compress_meth ; [L51] int buf ; [L52] unsigned long tmp ; [L53] unsigned long l ; [L54] int num1 = __VERIFIER_nondet_int(); [L55] int cb ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int tmp___0 ; [L61] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L62] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L63] int tmp___3 = __VERIFIER_nondet_int(); [L64] int tmp___4 = __VERIFIER_nondet_int(); [L65] int tmp___5 = __VERIFIER_nondet_int(); [L66] int tmp___6 = __VERIFIER_nondet_int(); [L67] int tmp___7 = __VERIFIER_nondet_int(); [L68] int tmp___8 = __VERIFIER_nondet_int(); [L69] int tmp___9 = __VERIFIER_nondet_int(); [L70] int blastFlag ; [L71] int ag_X ; [L72] int ag_Y ; [L73] int ag_Z ; [L74] int __retres60 ; [L77] s__state = 12292 [L78] blastFlag = 0 [L79] tmp = __VERIFIER_nondet_int() [L80] cb = 0 [L81] ret = -1 [L82] skip = 0 [L83] tmp___0 = 0 VAL [blastFlag=0, cb=0, ret=4294967295, s__state=12292, skip=0, tmp___0=0] [L84] COND TRUE s__info_callback != 0 [L85] cb = s__info_callback VAL [blastFlag=0, cb=2, ret=4294967295, s__info_callback=2, s__state=12292, skip=0, tmp___0=0] [L93] s__in_handshake = s__in_handshake + 1 VAL [blastFlag=0, cb=2, ret=4294967295, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0] [L94] COND FALSE !(tmp___1 + 12288) VAL [blastFlag=0, cb=2, ret=4294967295, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0, tmp___1=4294955008] [L103] COND FALSE !(\read(s__hit)) [L106] ag_Z = 48 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0, tmp___1=4294955008] [L109] COND TRUE 1 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0, tmp___1=4294955008] [L111] state = s__state VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L112] COND TRUE s__state == 12292 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L215] s__new_session = 1 [L216] s__state = 4096 [L217] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__state=4096, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L222] s__server = 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__server=0, s__state=4096, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L223] COND TRUE cb != 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__server=0, s__state=4096, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L228] COND FALSE !(s__version + 65280 != 768) [L234] s__type = 4096 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L235] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__new_session=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L253] COND FALSE !(! tmp___4) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__new_session=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2] [L259] COND FALSE !(! tmp___5) [L265] s__state = 4368 [L266] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L267] s__init_num = 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND TRUE s__state == 4368 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L271] s__shutdown = 0 [L272] ret = __VERIFIER_nondet_int() [L273] COND TRUE blastFlag == 0 [L274] blastFlag = 1 VAL [ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L278] COND FALSE !(ret <= 0) [L283] s__state = 4384 [L284] ag_X = s__state - 32 [L285] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L286] COND TRUE (unsigned long )s__bbio != (unsigned long )s__wbio VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L133] COND TRUE s__state == 4384 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L294] ret = __VERIFIER_nondet_int() [L295] COND TRUE blastFlag == 1 [L296] blastFlag = 2 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L304] COND FALSE !(ret <= 0) [L309] s__state = ag_X VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4352, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L310] COND FALSE !(\read(s__hit)) [L313] s__state = s__state | ag_Z VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L315] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L139] COND TRUE s__state == 4400 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L319] COND TRUE (unsigned long )s__s3__tmp__new_cipher__algorithms + 256UL [L320] skip = 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=1, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L334] s__state = 4416 [L335] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=1, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=1, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L139] COND FALSE !(s__state == 4400) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L142] COND FALSE !(s__state == 4401) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L145] COND TRUE s__state == 4416 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L339] ret = __VERIFIER_nondet_int() [L340] COND FALSE !(blastFlag == 3) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L345] COND FALSE !(ret <= 0) [L350] s__state = 4432 [L351] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L352] COND FALSE !(! tmp___6) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L139] COND FALSE !(s__state == 4400) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L142] COND FALSE !(s__state == 4401) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L145] COND FALSE !(s__state == 4416) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L148] COND FALSE !(s__state == 4417) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L151] COND TRUE s__state == 4432 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L361] ret = __VERIFIER_nondet_int() [L362] COND TRUE blastFlag <= 5 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=4, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L624] reach_error() VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=4, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.2s, OverallIterations: 17, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5262 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5262 mSDsluCounter, 9342 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1307 IncrementalHoareTripleChecker+Unchecked, 6047 mSDsCounter, 657 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4558 IncrementalHoareTripleChecker+Invalid, 6522 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 657 mSolverCounterUnsat, 3295 mSDtfsCounter, 4558 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3820 GetRequests, 3714 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4047occurred in iteration=15, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 5613 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 2013 NumberOfCodeBlocks, 2013 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3768 ConstructedInterpolants, 428 QuantifiedInterpolants, 11766 SizeOfPredicates, 44 NumberOfNonLiveVariables, 2810 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 50 InterpolantComputations, 24 PerfectInterpolantSequences, 2182/2970 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! [2021-11-23 03:48:38,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae3aab2-febc-4583-8bad-5c088f9874bc/bin/utaipan-EQgc7hIp5V/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