./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl --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 d0f2e33ac87f1f1d9db23cfd04cd47631e40f0ab807306c8f57e0f0ac0650234 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:58,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:58,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:58,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:58,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:58,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:58,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:58,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:58,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:58,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:58,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:58,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:58,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:58,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:58,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:58,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:58,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:58,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:58,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:58,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:58,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:58,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:58,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:58,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:58,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:58,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:58,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:58,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:58,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:58,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:58,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:58,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:58,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:58,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:58,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:58,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:58,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:58,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:58,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:58,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:58,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:58,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:47:58,254 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:58,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:58,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:58,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:58,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:58,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:58,257 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:58,257 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:58,257 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:58,258 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:47:58,259 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:58,259 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:58,259 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:47:58,260 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:47:58,260 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:58,260 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:47:58,260 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:47:58,261 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:47:58,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:58,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:58,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:47:58,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:58,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:58,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:58,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:58,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:58,265 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:58,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:58,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:58,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:58,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:58,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:58,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:58,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:58,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:58,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:58,268 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:47:58,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:47:58,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:58,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:58,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:58,270 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_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f2e33ac87f1f1d9db23cfd04cd47631e40f0ab807306c8f57e0f0ac0650234 [2021-11-23 16:47:58,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:58,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:58,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:58,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:58,669 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:58,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c [2021-11-23 16:47:58,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/data/4144f0ba8/a7a2dc33b0d4403ea5495f60ef57a5dd/FLAG44186f5a1 [2021-11-23 16:47:59,376 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:59,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c [2021-11-23 16:47:59,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/data/4144f0ba8/a7a2dc33b0d4403ea5495f60ef57a5dd/FLAG44186f5a1 [2021-11-23 16:47:59,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/data/4144f0ba8/a7a2dc33b0d4403ea5495f60ef57a5dd [2021-11-23 16:47:59,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:59,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:59,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:59,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:59,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:59,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:47:59,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4771cc55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59, skipping insertion in model container [2021-11-23 16:47:59,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:47:59,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:59,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:48:00,042 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_929662d2-27f0-4d92-a6f9-8cc625cd8027/sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c[48455,48468] [2021-11-23 16:48:00,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:00,059 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:48:00,121 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_929662d2-27f0-4d92-a6f9-8cc625cd8027/sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c[48455,48468] [2021-11-23 16:48:00,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:00,138 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:48:00,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00 WrapperNode [2021-11-23 16:48:00,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:00,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:00,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:48:00,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:48:00,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00" (1/1) ... [2021-11-23 16:48:00,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00" (1/1) ... [2021-11-23 16:48:00,220 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 580 [2021-11-23 16:48:00,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:00,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:48:00,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:48:00,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:48:00,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00" (1/1) ... [2021-11-23 16:48:00,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00" (1/1) ... [2021-11-23 16:48:00,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00" (1/1) ... [2021-11-23 16:48:00,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00" (1/1) ... [2021-11-23 16:48:00,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00" (1/1) ... [2021-11-23 16:48:00,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00" (1/1) ... [2021-11-23 16:48:00,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00" (1/1) ... [2021-11-23 16:48:00,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:48:00,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:48:00,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:48:00,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:48:00,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:00" (1/1) ... [2021-11-23 16:48:00,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:00,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:48:00,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:48:00,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:48:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:48:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:48:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:48:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:48:00,550 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:48:00,552 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:48:00,573 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 16:48:01,266 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-23 16:48:01,267 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-23 16:48:01,267 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:48:01,323 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:48:01,329 INFO L158 Benchmark]: Toolchain (without parser) took 1627.45ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 49.3MB in the end (delta: 27.4MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-11-23 16:48:01,330 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:48:01,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.79ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 88.2MB in the end (delta: -11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:48:01,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.48ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 84.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:48:01,335 INFO L158 Benchmark]: Boogie Preprocessor took 71.38ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:48:01,336 INFO L158 Benchmark]: RCFGBuilder took 1030.94ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 49.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-23 16:48:01,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.79ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 88.2MB in the end (delta: -11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.48ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 84.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.38ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1030.94ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 49.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:48:01,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/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_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl --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 d0f2e33ac87f1f1d9db23cfd04cd47631e40f0ab807306c8f57e0f0ac0650234 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:48:03,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:48:03,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:48:04,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:48:04,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:48:04,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:48:04,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:48:04,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:48:04,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:48:04,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:48:04,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:48:04,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:48:04,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:48:04,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:48:04,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:48:04,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:48:04,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:48:04,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:48:04,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:48:04,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:48:04,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:48:04,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:48:04,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:48:04,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:48:04,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:48:04,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:48:04,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:48:04,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:48:04,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:48:04,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:48:04,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:48:04,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:48:04,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:48:04,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:48:04,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:48:04,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:48:04,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:48:04,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:48:04,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:48:04,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:48:04,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:48:04,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:48:04,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:48:04,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:48:04,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:48:04,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:48:04,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:48:04,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:48:04,180 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:48:04,180 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:48:04,180 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:48:04,180 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:48:04,181 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:48:04,182 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:48:04,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:48:04,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:48:04,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:48:04,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:48:04,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:48:04,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:48:04,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:48:04,185 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:48:04,185 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:48:04,185 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:48:04,186 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:48:04,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:48:04,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:48:04,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:48:04,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:48:04,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:48:04,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:48:04,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:04,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:48:04,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:48:04,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:48:04,188 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:48:04,189 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:04,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:48:04,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:48:04,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:48:04,190 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_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f2e33ac87f1f1d9db23cfd04cd47631e40f0ab807306c8f57e0f0ac0650234 [2021-11-23 16:48:04,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:48:04,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:48:04,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:48:04,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:48:04,647 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:48:04,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c [2021-11-23 16:48:04,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/data/ba40b47af/9186e5b436ac428e814a77fb4235a9ee/FLAGa930148ba [2021-11-23 16:48:05,497 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:48:05,514 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c [2021-11-23 16:48:05,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/data/ba40b47af/9186e5b436ac428e814a77fb4235a9ee/FLAGa930148ba [2021-11-23 16:48:05,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/data/ba40b47af/9186e5b436ac428e814a77fb4235a9ee [2021-11-23 16:48:05,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:48:05,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:48:05,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:05,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:48:05,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:48:05,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:05" (1/1) ... [2021-11-23 16:48:05,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4477c9cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:05, skipping insertion in model container [2021-11-23 16:48:05,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:05" (1/1) ... [2021-11-23 16:48:05,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:48:05,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:48:06,148 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_929662d2-27f0-4d92-a6f9-8cc625cd8027/sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c[48455,48468] [2021-11-23 16:48:06,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:06,170 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:48:06,237 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_929662d2-27f0-4d92-a6f9-8cc625cd8027/sv-benchmarks/c/openssl-simplified/s3_srvr_6.cil-2.c[48455,48468] [2021-11-23 16:48:06,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:06,257 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:48:06,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06 WrapperNode [2021-11-23 16:48:06,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:06,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:06,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:48:06,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:48:06,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (1/1) ... [2021-11-23 16:48:06,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (1/1) ... [2021-11-23 16:48:06,347 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 534 [2021-11-23 16:48:06,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:06,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:48:06,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:48:06,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:48:06,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (1/1) ... [2021-11-23 16:48:06,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (1/1) ... [2021-11-23 16:48:06,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (1/1) ... [2021-11-23 16:48:06,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (1/1) ... [2021-11-23 16:48:06,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (1/1) ... [2021-11-23 16:48:06,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (1/1) ... [2021-11-23 16:48:06,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (1/1) ... [2021-11-23 16:48:06,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:48:06,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:48:06,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:48:06,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:48:06,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (1/1) ... [2021-11-23 16:48:06,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:06,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:48:06,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:48:06,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:48:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:48:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:48:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:48:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:48:06,674 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:48:06,677 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:48:06,709 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 16:48:07,422 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-23 16:48:07,423 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-23 16:48:07,423 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:48:07,433 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:48:07,434 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:48:07,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:48:07 BoogieIcfgContainer [2021-11-23 16:48:07,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:48:07,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:48:07,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:48:07,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:48:07,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:48:05" (1/3) ... [2021-11-23 16:48:07,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4e1511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:48:07, skipping insertion in model container [2021-11-23 16:48:07,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:06" (2/3) ... [2021-11-23 16:48:07,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4e1511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:48:07, skipping insertion in model container [2021-11-23 16:48:07,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:48:07" (3/3) ... [2021-11-23 16:48:07,446 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-2.c [2021-11-23 16:48:07,452 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:48:07,453 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:48:07,514 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:48:07,523 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 16:48:07,523 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:48:07,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 156 states have (on average 1.7564102564102564) internal successors, (274), 157 states have internal predecessors, (274), 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 16:48:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 16:48:07,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:07,560 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:07,560 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:07,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:07,567 INFO L85 PathProgramCache]: Analyzing trace with hash -443745208, now seen corresponding path program 1 times [2021-11-23 16:48:07,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:07,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439485093] [2021-11-23 16:48:07,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:07,584 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:07,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:07,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:07,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:48:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:07,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 16:48:07,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:07,951 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 16:48:07,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:07,953 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:07,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439485093] [2021-11-23 16:48:07,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439485093] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:07,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:07,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:07,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780612172] [2021-11-23 16:48:07,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:07,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:07,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:08,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:08,021 INFO L87 Difference]: Start difference. First operand has 158 states, 156 states have (on average 1.7564102564102564) internal successors, (274), 157 states have internal predecessors, (274), 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 16:48:08,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:08,346 INFO L93 Difference]: Finished difference Result 336 states and 582 transitions. [2021-11-23 16:48:08,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:08,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2021-11-23 16:48:08,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:08,370 INFO L225 Difference]: With dead ends: 336 [2021-11-23 16:48:08,370 INFO L226 Difference]: Without dead ends: 166 [2021-11-23 16:48:08,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 16:48:08,382 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 31 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:08,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 434 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 16:48:08,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-23 16:48:08,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 163. [2021-11-23 16:48:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.5617283950617284) internal successors, (253), 162 states have internal predecessors, (253), 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 16:48:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 253 transitions. [2021-11-23 16:48:08,479 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 253 transitions. Word has length 44 [2021-11-23 16:48:08,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:08,481 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 253 transitions. [2021-11-23 16:48:08,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 16:48:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 253 transitions. [2021-11-23 16:48:08,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 16:48:08,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:08,492 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:08,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:08,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:08,706 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:08,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:08,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1030632600, now seen corresponding path program 1 times [2021-11-23 16:48:08,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:08,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402957576] [2021-11-23 16:48:08,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:08,709 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:08,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:08,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:08,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 16:48:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:08,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:08,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:48:09,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:09,017 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:09,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402957576] [2021-11-23 16:48:09,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402957576] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:09,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:09,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:09,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875047707] [2021-11-23 16:48:09,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:09,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:09,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:09,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:09,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:09,031 INFO L87 Difference]: Start difference. First operand 163 states and 253 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 16:48:09,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:09,246 INFO L93 Difference]: Finished difference Result 343 states and 538 transitions. [2021-11-23 16:48:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:09,250 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 60 [2021-11-23 16:48:09,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:09,256 INFO L225 Difference]: With dead ends: 343 [2021-11-23 16:48:09,256 INFO L226 Difference]: Without dead ends: 188 [2021-11-23 16:48:09,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 16:48:09,265 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 14 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:09,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 360 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 16:48:09,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-11-23 16:48:09,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2021-11-23 16:48:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.5245901639344261) internal successors, (279), 183 states have internal predecessors, (279), 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 16:48:09,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 279 transitions. [2021-11-23 16:48:09,307 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 279 transitions. Word has length 60 [2021-11-23 16:48:09,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:09,308 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 279 transitions. [2021-11-23 16:48:09,308 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 16:48:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 279 transitions. [2021-11-23 16:48:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 16:48:09,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:09,316 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:09,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:09,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:09,529 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:09,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:09,530 INFO L85 PathProgramCache]: Analyzing trace with hash 18153750, now seen corresponding path program 1 times [2021-11-23 16:48:09,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:09,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202992101] [2021-11-23 16:48:09,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:09,532 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:09,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:09,533 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:09,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 16:48:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:09,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:09,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 16:48:09,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:09,839 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:09,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202992101] [2021-11-23 16:48:09,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202992101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:09,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:09,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:09,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295259701] [2021-11-23 16:48:09,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:09,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:09,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:09,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:09,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:09,848 INFO L87 Difference]: Start difference. First operand 184 states and 279 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 16:48:10,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:10,063 INFO L93 Difference]: Finished difference Result 409 states and 635 transitions. [2021-11-23 16:48:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:10,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 81 [2021-11-23 16:48:10,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:10,067 INFO L225 Difference]: With dead ends: 409 [2021-11-23 16:48:10,067 INFO L226 Difference]: Without dead ends: 233 [2021-11-23 16:48:10,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 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 16:48:10,070 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 23 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:10,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 357 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 16:48:10,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-23 16:48:10,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 226. [2021-11-23 16:48:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.448888888888889) internal successors, (326), 225 states have internal predecessors, (326), 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 16:48:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 326 transitions. [2021-11-23 16:48:10,088 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 326 transitions. Word has length 81 [2021-11-23 16:48:10,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:10,089 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 326 transitions. [2021-11-23 16:48:10,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 16:48:10,089 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 326 transitions. [2021-11-23 16:48:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 16:48:10,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:10,091 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:10,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:10,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:10,304 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:10,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:10,305 INFO L85 PathProgramCache]: Analyzing trace with hash 266300244, now seen corresponding path program 1 times [2021-11-23 16:48:10,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:10,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543164093] [2021-11-23 16:48:10,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:10,306 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:10,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:10,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:10,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 16:48:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:10,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:10,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:10,596 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 16:48:10,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:10,597 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:10,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543164093] [2021-11-23 16:48:10,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543164093] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:10,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:10,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:10,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455293688] [2021-11-23 16:48:10,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:10,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:10,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:10,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:10,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:10,601 INFO L87 Difference]: Start difference. First operand 226 states and 326 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 16:48:10,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:10,791 INFO L93 Difference]: Finished difference Result 472 states and 689 transitions. [2021-11-23 16:48:10,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:10,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 81 [2021-11-23 16:48:10,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:10,794 INFO L225 Difference]: With dead ends: 472 [2021-11-23 16:48:10,794 INFO L226 Difference]: Without dead ends: 254 [2021-11-23 16:48:10,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 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 16:48:10,797 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 16 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:10,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 376 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 16:48:10,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-23 16:48:10,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 249. [2021-11-23 16:48:10,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 1.4274193548387097) internal successors, (354), 248 states have internal predecessors, (354), 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 16:48:10,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 354 transitions. [2021-11-23 16:48:10,813 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 354 transitions. Word has length 81 [2021-11-23 16:48:10,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:10,814 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 354 transitions. [2021-11-23 16:48:10,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 16:48:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 354 transitions. [2021-11-23 16:48:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 16:48:10,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:10,817 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:10,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:11,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:11,030 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:11,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:11,031 INFO L85 PathProgramCache]: Analyzing trace with hash -377706052, now seen corresponding path program 1 times [2021-11-23 16:48:11,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:11,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832234127] [2021-11-23 16:48:11,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:11,032 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:11,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:11,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:11,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 16:48:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:11,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:11,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 16:48:11,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:11,334 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:11,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832234127] [2021-11-23 16:48:11,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832234127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:11,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:11,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:11,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32342578] [2021-11-23 16:48:11,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:11,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:11,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:11,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:11,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:11,337 INFO L87 Difference]: Start difference. First operand 249 states and 354 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 16:48:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:11,517 INFO L93 Difference]: Finished difference Result 529 states and 765 transitions. [2021-11-23 16:48:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:11,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 16:48:11,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:11,521 INFO L225 Difference]: With dead ends: 529 [2021-11-23 16:48:11,522 INFO L226 Difference]: Without dead ends: 288 [2021-11-23 16:48:11,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 16:48:11,524 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 32 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:11,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 375 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 16:48:11,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-11-23 16:48:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 274. [2021-11-23 16:48:11,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.4065934065934067) internal successors, (384), 273 states have internal predecessors, (384), 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 16:48:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 384 transitions. [2021-11-23 16:48:11,540 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 384 transitions. Word has length 102 [2021-11-23 16:48:11,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:11,541 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 384 transitions. [2021-11-23 16:48:11,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 16:48:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 384 transitions. [2021-11-23 16:48:11,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 16:48:11,543 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:11,544 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:11,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:11,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:11,758 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:11,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:11,759 INFO L85 PathProgramCache]: Analyzing trace with hash 830803826, now seen corresponding path program 1 times [2021-11-23 16:48:11,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:11,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45048724] [2021-11-23 16:48:11,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:11,761 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:11,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:11,762 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:11,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 16:48:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:11,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:11,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 16:48:12,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:12,172 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:12,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45048724] [2021-11-23 16:48:12,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45048724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:12,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:12,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:12,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705781559] [2021-11-23 16:48:12,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:12,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:12,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:12,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:12,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:12,176 INFO L87 Difference]: Start difference. First operand 274 states and 384 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 16:48:12,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:12,313 INFO L93 Difference]: Finished difference Result 803 states and 1126 transitions. [2021-11-23 16:48:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:12,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 121 [2021-11-23 16:48:12,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:12,319 INFO L225 Difference]: With dead ends: 803 [2021-11-23 16:48:12,319 INFO L226 Difference]: Without dead ends: 537 [2021-11-23 16:48:12,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 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 16:48:12,321 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 153 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:12,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 528 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2021-11-23 16:48:12,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2021-11-23 16:48:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.3656716417910448) internal successors, (732), 536 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 16:48:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 732 transitions. [2021-11-23 16:48:12,359 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 732 transitions. Word has length 121 [2021-11-23 16:48:12,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:12,360 INFO L470 AbstractCegarLoop]: Abstraction has 537 states and 732 transitions. [2021-11-23 16:48:12,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 16:48:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 732 transitions. [2021-11-23 16:48:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 16:48:12,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:12,363 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:12,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:12,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:12,581 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:12,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:12,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1048327120, now seen corresponding path program 1 times [2021-11-23 16:48:12,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:12,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696575617] [2021-11-23 16:48:12,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:12,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:12,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:12,584 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:12,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-23 16:48:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:12,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:12,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 16:48:12,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:12,909 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:12,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696575617] [2021-11-23 16:48:12,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696575617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:12,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:12,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:12,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22749045] [2021-11-23 16:48:12,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:12,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:12,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:12,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:12,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:12,913 INFO L87 Difference]: Start difference. First operand 537 states and 732 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 16:48:13,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:13,004 INFO L93 Difference]: Finished difference Result 1090 states and 1482 transitions. [2021-11-23 16:48:13,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:13,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 121 [2021-11-23 16:48:13,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:13,011 INFO L225 Difference]: With dead ends: 1090 [2021-11-23 16:48:13,011 INFO L226 Difference]: Without dead ends: 561 [2021-11-23 16:48:13,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 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 16:48:13,013 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 10 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:13,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 424 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:13,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2021-11-23 16:48:13,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 561. [2021-11-23 16:48:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 560 states have (on average 1.3589285714285715) internal successors, (761), 560 states have internal predecessors, (761), 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 16:48:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 761 transitions. [2021-11-23 16:48:13,036 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 761 transitions. Word has length 121 [2021-11-23 16:48:13,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:13,037 INFO L470 AbstractCegarLoop]: Abstraction has 561 states and 761 transitions. [2021-11-23 16:48:13,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 16:48:13,037 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 761 transitions. [2021-11-23 16:48:13,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 16:48:13,040 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:13,040 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:13,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:13,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:13,254 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:13,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:13,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1213246130, now seen corresponding path program 1 times [2021-11-23 16:48:13,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:13,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193084004] [2021-11-23 16:48:13,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:13,256 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:13,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:13,258 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:13,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 16:48:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:13,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:13,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-23 16:48:13,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:13,592 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:13,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193084004] [2021-11-23 16:48:13,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193084004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:13,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:13,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:13,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469832816] [2021-11-23 16:48:13,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:13,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:13,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:13,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:13,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:13,595 INFO L87 Difference]: Start difference. First operand 561 states and 761 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 16:48:13,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:13,681 INFO L93 Difference]: Finished difference Result 1127 states and 1524 transitions. [2021-11-23 16:48:13,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:13,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 121 [2021-11-23 16:48:13,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:13,686 INFO L225 Difference]: With dead ends: 1127 [2021-11-23 16:48:13,687 INFO L226 Difference]: Without dead ends: 574 [2021-11-23 16:48:13,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 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 16:48:13,689 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 6 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:13,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 404 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:13,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-11-23 16:48:13,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2021-11-23 16:48:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 573 states have (on average 1.350785340314136) internal successors, (774), 573 states have internal predecessors, (774), 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 16:48:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 774 transitions. [2021-11-23 16:48:13,712 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 774 transitions. Word has length 121 [2021-11-23 16:48:13,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:13,712 INFO L470 AbstractCegarLoop]: Abstraction has 574 states and 774 transitions. [2021-11-23 16:48:13,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 16:48:13,713 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 774 transitions. [2021-11-23 16:48:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 16:48:13,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:13,716 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:13,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:13,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:13,931 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:13,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:13,931 INFO L85 PathProgramCache]: Analyzing trace with hash 2058683558, now seen corresponding path program 1 times [2021-11-23 16:48:13,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:13,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2034685074] [2021-11-23 16:48:13,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:13,932 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:13,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:13,933 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:13,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 16:48:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:14,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:14,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-23 16:48:14,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:14,262 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:14,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2034685074] [2021-11-23 16:48:14,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2034685074] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:14,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:14,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:14,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386205296] [2021-11-23 16:48:14,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:14,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:14,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:14,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:14,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:14,266 INFO L87 Difference]: Start difference. First operand 574 states and 774 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 16:48:14,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:14,316 INFO L93 Difference]: Finished difference Result 1666 states and 2246 transitions. [2021-11-23 16:48:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:14,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 130 [2021-11-23 16:48:14,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:14,325 INFO L225 Difference]: With dead ends: 1666 [2021-11-23 16:48:14,326 INFO L226 Difference]: Without dead ends: 1113 [2021-11-23 16:48:14,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 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 16:48:14,329 INFO L933 BasicCegarLoop]: 428 mSDtfsCounter, 202 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:14,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 653 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 16:48:14,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2021-11-23 16:48:14,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 576. [2021-11-23 16:48:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 575 states have (on average 1.3495652173913044) internal successors, (776), 575 states have internal predecessors, (776), 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 16:48:14,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 776 transitions. [2021-11-23 16:48:14,364 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 776 transitions. Word has length 130 [2021-11-23 16:48:14,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:14,365 INFO L470 AbstractCegarLoop]: Abstraction has 576 states and 776 transitions. [2021-11-23 16:48:14,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 16:48:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 776 transitions. [2021-11-23 16:48:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 16:48:14,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:14,369 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:14,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:14,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:14,583 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:14,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:14,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1342797400, now seen corresponding path program 1 times [2021-11-23 16:48:14,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:14,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456205424] [2021-11-23 16:48:14,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:14,585 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:14,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:14,586 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:14,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-23 16:48:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:14,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 16:48:14,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 16:48:14,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:14,940 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:14,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456205424] [2021-11-23 16:48:14,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456205424] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:14,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:14,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 16:48:14,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419369382] [2021-11-23 16:48:14,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:14,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 16:48:14,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:14,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 16:48:14,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 16:48:14,943 INFO L87 Difference]: Start difference. First operand 576 states and 776 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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 16:48:15,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:15,055 INFO L93 Difference]: Finished difference Result 1645 states and 2200 transitions. [2021-11-23 16:48:15,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 16:48:15,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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 130 [2021-11-23 16:48:15,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:15,064 INFO L225 Difference]: With dead ends: 1645 [2021-11-23 16:48:15,064 INFO L226 Difference]: Without dead ends: 1090 [2021-11-23 16:48:15,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:15,066 INFO L933 BasicCegarLoop]: 598 mSDtfsCounter, 602 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:15,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [602 Valid, 1561 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 16:48:15,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2021-11-23 16:48:15,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 825. [2021-11-23 16:48:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 824 states have (on average 1.3300970873786409) internal successors, (1096), 824 states have internal predecessors, (1096), 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 16:48:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1096 transitions. [2021-11-23 16:48:15,132 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1096 transitions. Word has length 130 [2021-11-23 16:48:15,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:15,133 INFO L470 AbstractCegarLoop]: Abstraction has 825 states and 1096 transitions. [2021-11-23 16:48:15,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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 16:48:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1096 transitions. [2021-11-23 16:48:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 16:48:15,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:15,136 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:15,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:15,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:15,348 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:15,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:15,349 INFO L85 PathProgramCache]: Analyzing trace with hash -963314159, now seen corresponding path program 1 times [2021-11-23 16:48:15,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:15,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434601927] [2021-11-23 16:48:15,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:15,350 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:15,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:15,352 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:15,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-23 16:48:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:15,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:15,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-23 16:48:15,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:15,640 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:15,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434601927] [2021-11-23 16:48:15,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434601927] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:15,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:15,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:15,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243950233] [2021-11-23 16:48:15,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:15,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:15,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:15,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:15,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:15,643 INFO L87 Difference]: Start difference. First operand 825 states and 1096 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 16:48:15,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:15,817 INFO L93 Difference]: Finished difference Result 1713 states and 2331 transitions. [2021-11-23 16:48:15,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:15,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 131 [2021-11-23 16:48:15,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:15,824 INFO L225 Difference]: With dead ends: 1713 [2021-11-23 16:48:15,825 INFO L226 Difference]: Without dead ends: 933 [2021-11-23 16:48:15,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 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 16:48:15,827 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 20 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:15,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 376 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:15,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2021-11-23 16:48:15,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 906. [2021-11-23 16:48:15,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 905 states have (on average 1.3171270718232044) internal successors, (1192), 905 states have internal predecessors, (1192), 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 16:48:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1192 transitions. [2021-11-23 16:48:15,869 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1192 transitions. Word has length 131 [2021-11-23 16:48:15,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:15,870 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1192 transitions. [2021-11-23 16:48:15,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 16:48:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1192 transitions. [2021-11-23 16:48:15,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 16:48:15,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:15,874 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:15,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:16,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:16,089 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:16,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:16,089 INFO L85 PathProgramCache]: Analyzing trace with hash -546548639, now seen corresponding path program 1 times [2021-11-23 16:48:16,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:16,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573717756] [2021-11-23 16:48:16,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:16,090 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:16,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:16,091 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:16,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-23 16:48:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:16,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:16,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-23 16:48:16,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:16,419 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:16,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573717756] [2021-11-23 16:48:16,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573717756] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:16,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:16,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:16,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151786715] [2021-11-23 16:48:16,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:16,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:16,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:16,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:16,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:16,422 INFO L87 Difference]: Start difference. First operand 906 states and 1192 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 16:48:16,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:16,590 INFO L93 Difference]: Finished difference Result 1860 states and 2498 transitions. [2021-11-23 16:48:16,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:16,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 154 [2021-11-23 16:48:16,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:16,598 INFO L225 Difference]: With dead ends: 1860 [2021-11-23 16:48:16,598 INFO L226 Difference]: Without dead ends: 999 [2021-11-23 16:48:16,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 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 16:48:16,601 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 10 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:16,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 376 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:16,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-11-23 16:48:16,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 993. [2021-11-23 16:48:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 992 states have (on average 1.3044354838709677) internal successors, (1294), 992 states have internal predecessors, (1294), 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 16:48:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1294 transitions. [2021-11-23 16:48:16,653 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1294 transitions. Word has length 154 [2021-11-23 16:48:16,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:16,653 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1294 transitions. [2021-11-23 16:48:16,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 16:48:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1294 transitions. [2021-11-23 16:48:16,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 16:48:16,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:16,658 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:16,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:16,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:16,871 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:16,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:16,871 INFO L85 PathProgramCache]: Analyzing trace with hash 81535942, now seen corresponding path program 1 times [2021-11-23 16:48:16,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:16,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087585144] [2021-11-23 16:48:16,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:16,872 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:16,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:16,873 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:16,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-23 16:48:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:16,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:16,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-23 16:48:17,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:17,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:17,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087585144] [2021-11-23 16:48:17,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087585144] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:17,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:17,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:17,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888888611] [2021-11-23 16:48:17,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:17,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:17,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:17,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:17,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:17,293 INFO L87 Difference]: Start difference. First operand 993 states and 1294 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 16:48:17,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:17,491 INFO L93 Difference]: Finished difference Result 2034 states and 2708 transitions. [2021-11-23 16:48:17,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:17,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 160 [2021-11-23 16:48:17,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:17,500 INFO L225 Difference]: With dead ends: 2034 [2021-11-23 16:48:17,500 INFO L226 Difference]: Without dead ends: 1086 [2021-11-23 16:48:17,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 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 16:48:17,503 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 15 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:17,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 370 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 16:48:17,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2021-11-23 16:48:17,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1086. [2021-11-23 16:48:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1085 states have (on average 1.2921658986175115) internal successors, (1402), 1085 states have internal predecessors, (1402), 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 16:48:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1402 transitions. [2021-11-23 16:48:17,552 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1402 transitions. Word has length 160 [2021-11-23 16:48:17,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:17,553 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1402 transitions. [2021-11-23 16:48:17,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 16:48:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1402 transitions. [2021-11-23 16:48:17,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 16:48:17,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:17,558 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:17,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:17,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:17,771 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:17,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:17,772 INFO L85 PathProgramCache]: Analyzing trace with hash -212433663, now seen corresponding path program 1 times [2021-11-23 16:48:17,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:17,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111754576] [2021-11-23 16:48:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:17,773 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:17,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:17,773 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:17,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-23 16:48:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:17,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:48:17,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-23 16:48:18,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:48:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-23 16:48:18,495 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:18,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111754576] [2021-11-23 16:48:18,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111754576] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:48:18,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [890187347] [2021-11-23 16:48:18,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:18,496 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:18,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:48:18,502 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:48:18,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-11-23 16:48:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:18,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:18,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-23 16:48:19,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:19,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [890187347] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:19,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 16:48:19,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 5 [2021-11-23 16:48:19,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761403124] [2021-11-23 16:48:19,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:19,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:19,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:19,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:19,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 16:48:19,075 INFO L87 Difference]: Start difference. First operand 1086 states and 1402 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 16:48:19,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:19,218 INFO L93 Difference]: Finished difference Result 2119 states and 2755 transitions. [2021-11-23 16:48:19,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:19,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 188 [2021-11-23 16:48:19,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:19,228 INFO L225 Difference]: With dead ends: 2119 [2021-11-23 16:48:19,228 INFO L226 Difference]: Without dead ends: 1428 [2021-11-23 16:48:19,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 16:48:19,231 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 134 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:19,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 569 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:19,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2021-11-23 16:48:19,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2021-11-23 16:48:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1427 states have (on average 1.286615276804485) internal successors, (1836), 1427 states have internal predecessors, (1836), 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 16:48:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1836 transitions. [2021-11-23 16:48:19,320 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1836 transitions. Word has length 188 [2021-11-23 16:48:19,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:19,321 INFO L470 AbstractCegarLoop]: Abstraction has 1428 states and 1836 transitions. [2021-11-23 16:48:19,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 16:48:19,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1836 transitions. [2021-11-23 16:48:19,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 16:48:19,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:19,326 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:19,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:19,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:19,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:19,741 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:19,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:19,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1696024127, now seen corresponding path program 1 times [2021-11-23 16:48:19,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:19,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686568008] [2021-11-23 16:48:19,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:19,742 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:19,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:19,742 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:19,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-23 16:48:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:19,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:19,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-23 16:48:20,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:20,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:20,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686568008] [2021-11-23 16:48:20,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686568008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:20,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:20,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:20,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653083023] [2021-11-23 16:48:20,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:20,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:20,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:20,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:20,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:20,178 INFO L87 Difference]: Start difference. First operand 1428 states and 1836 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 16:48:20,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:20,338 INFO L93 Difference]: Finished difference Result 2806 states and 3628 transitions. [2021-11-23 16:48:20,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:20,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 188 [2021-11-23 16:48:20,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:20,350 INFO L225 Difference]: With dead ends: 2806 [2021-11-23 16:48:20,350 INFO L226 Difference]: Without dead ends: 1773 [2021-11-23 16:48:20,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 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 16:48:20,356 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 151 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:20,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 573 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:20,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2021-11-23 16:48:20,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1773. [2021-11-23 16:48:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1773 states, 1772 states have (on average 1.283295711060948) internal successors, (2274), 1772 states have internal predecessors, (2274), 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 16:48:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2274 transitions. [2021-11-23 16:48:20,446 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2274 transitions. Word has length 188 [2021-11-23 16:48:20,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:20,447 INFO L470 AbstractCegarLoop]: Abstraction has 1773 states and 2274 transitions. [2021-11-23 16:48:20,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 16:48:20,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2274 transitions. [2021-11-23 16:48:20,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 16:48:20,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:20,453 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:20,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:20,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:20,675 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:20,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:20,675 INFO L85 PathProgramCache]: Analyzing trace with hash -701446403, now seen corresponding path program 1 times [2021-11-23 16:48:20,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:20,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640370010] [2021-11-23 16:48:20,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:20,677 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:20,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:20,678 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:20,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-23 16:48:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:20,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:20,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 16:48:21,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:21,196 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:21,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640370010] [2021-11-23 16:48:21,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640370010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:21,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:21,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:21,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396329659] [2021-11-23 16:48:21,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:21,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:21,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:21,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:21,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:21,199 INFO L87 Difference]: Start difference. First operand 1773 states and 2274 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 16:48:21,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:21,298 INFO L93 Difference]: Finished difference Result 3185 states and 4086 transitions. [2021-11-23 16:48:21,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:21,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 188 [2021-11-23 16:48:21,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:21,309 INFO L225 Difference]: With dead ends: 3185 [2021-11-23 16:48:21,310 INFO L226 Difference]: Without dead ends: 1807 [2021-11-23 16:48:21,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 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 16:48:21,313 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 13 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:21,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 452 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:21,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2021-11-23 16:48:21,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1807. [2021-11-23 16:48:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1807 states, 1806 states have (on average 1.2818383167220377) internal successors, (2315), 1806 states have internal predecessors, (2315), 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 16:48:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2315 transitions. [2021-11-23 16:48:21,407 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2315 transitions. Word has length 188 [2021-11-23 16:48:21,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:21,408 INFO L470 AbstractCegarLoop]: Abstraction has 1807 states and 2315 transitions. [2021-11-23 16:48:21,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 16:48:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2315 transitions. [2021-11-23 16:48:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-23 16:48:21,415 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:21,415 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:21,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:21,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:21,629 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:21,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:21,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1056148917, now seen corresponding path program 1 times [2021-11-23 16:48:21,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:21,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739595205] [2021-11-23 16:48:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:21,631 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:21,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:21,633 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:21,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-23 16:48:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:21,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:21,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-11-23 16:48:22,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:22,139 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:22,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739595205] [2021-11-23 16:48:22,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739595205] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:22,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:22,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:22,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465277908] [2021-11-23 16:48:22,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:22,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:22,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:22,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:22,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:22,146 INFO L87 Difference]: Start difference. First operand 1807 states and 2315 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 16:48:22,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:22,345 INFO L93 Difference]: Finished difference Result 3665 states and 4737 transitions. [2021-11-23 16:48:22,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:22,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 219 [2021-11-23 16:48:22,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:22,357 INFO L225 Difference]: With dead ends: 3665 [2021-11-23 16:48:22,358 INFO L226 Difference]: Without dead ends: 1903 [2021-11-23 16:48:22,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 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 16:48:22,361 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 12 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:22,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 380 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2021-11-23 16:48:22,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1887. [2021-11-23 16:48:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1886 states have (on average 1.2804878048780488) internal successors, (2415), 1886 states have internal predecessors, (2415), 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 16:48:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2415 transitions. [2021-11-23 16:48:22,449 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2415 transitions. Word has length 219 [2021-11-23 16:48:22,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:22,450 INFO L470 AbstractCegarLoop]: Abstraction has 1887 states and 2415 transitions. [2021-11-23 16:48:22,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 16:48:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2415 transitions. [2021-11-23 16:48:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 16:48:22,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:22,457 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:22,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:22,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:22,669 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:22,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:22,670 INFO L85 PathProgramCache]: Analyzing trace with hash -56399009, now seen corresponding path program 1 times [2021-11-23 16:48:22,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:22,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597668563] [2021-11-23 16:48:22,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:22,671 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:22,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:22,672 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:22,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-23 16:48:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:22,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:22,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-11-23 16:48:23,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:23,107 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:23,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597668563] [2021-11-23 16:48:23,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597668563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:23,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:23,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:23,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558950126] [2021-11-23 16:48:23,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:23,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:23,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:23,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:23,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:23,110 INFO L87 Difference]: Start difference. First operand 1887 states and 2415 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 16:48:23,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:23,337 INFO L93 Difference]: Finished difference Result 3880 states and 5048 transitions. [2021-11-23 16:48:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:23,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 221 [2021-11-23 16:48:23,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:23,350 INFO L225 Difference]: With dead ends: 3880 [2021-11-23 16:48:23,350 INFO L226 Difference]: Without dead ends: 2038 [2021-11-23 16:48:23,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 219 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 16:48:23,354 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 12 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:23,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 376 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 16:48:23,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2021-11-23 16:48:23,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 2023. [2021-11-23 16:48:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2023 states, 2022 states have (on average 1.271513353115727) internal successors, (2571), 2022 states have internal predecessors, (2571), 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 16:48:23,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 2023 states and 2571 transitions. [2021-11-23 16:48:23,454 INFO L78 Accepts]: Start accepts. Automaton has 2023 states and 2571 transitions. Word has length 221 [2021-11-23 16:48:23,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:23,455 INFO L470 AbstractCegarLoop]: Abstraction has 2023 states and 2571 transitions. [2021-11-23 16:48:23,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 16:48:23,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2571 transitions. [2021-11-23 16:48:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-23 16:48:23,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:23,467 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 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, 1, 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 16:48:23,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:23,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:23,680 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:23,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:23,680 INFO L85 PathProgramCache]: Analyzing trace with hash 364997896, now seen corresponding path program 1 times [2021-11-23 16:48:23,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:23,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680511686] [2021-11-23 16:48:23,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:23,681 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:23,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:23,682 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:23,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-23 16:48:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:23,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:23,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2021-11-23 16:48:24,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:24,169 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:24,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680511686] [2021-11-23 16:48:24,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680511686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:24,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:24,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:24,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818110124] [2021-11-23 16:48:24,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:24,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:24,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:24,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:24,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:24,174 INFO L87 Difference]: Start difference. First operand 2023 states and 2571 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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 16:48:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:24,402 INFO L93 Difference]: Finished difference Result 4196 states and 5444 transitions. [2021-11-23 16:48:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:24,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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) Word has length 253 [2021-11-23 16:48:24,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:24,421 INFO L225 Difference]: With dead ends: 4196 [2021-11-23 16:48:24,421 INFO L226 Difference]: Without dead ends: 2218 [2021-11-23 16:48:24,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 251 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 16:48:24,425 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 12 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:24,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 376 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 16:48:24,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2021-11-23 16:48:24,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 2203. [2021-11-23 16:48:24,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2203 states, 2202 states have (on average 1.2606721162579473) internal successors, (2776), 2202 states have internal predecessors, (2776), 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 16:48:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 2776 transitions. [2021-11-23 16:48:24,533 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 2776 transitions. Word has length 253 [2021-11-23 16:48:24,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:24,534 INFO L470 AbstractCegarLoop]: Abstraction has 2203 states and 2776 transitions. [2021-11-23 16:48:24,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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 16:48:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2776 transitions. [2021-11-23 16:48:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 16:48:24,543 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:24,544 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 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 16:48:24,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:24,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:24,756 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:24,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:24,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1220311239, now seen corresponding path program 1 times [2021-11-23 16:48:24,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:24,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201497403] [2021-11-23 16:48:24,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:24,757 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:24,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:24,759 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:24,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-23 16:48:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:24,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:24,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2021-11-23 16:48:25,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:25,278 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:25,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201497403] [2021-11-23 16:48:25,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201497403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:25,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:25,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:25,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075777914] [2021-11-23 16:48:25,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:25,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:25,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:25,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:25,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:25,281 INFO L87 Difference]: Start difference. First operand 2203 states and 2776 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 16:48:25,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:25,457 INFO L93 Difference]: Finished difference Result 4349 states and 5496 transitions. [2021-11-23 16:48:25,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:25,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 287 [2021-11-23 16:48:25,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:25,475 INFO L225 Difference]: With dead ends: 4349 [2021-11-23 16:48:25,475 INFO L226 Difference]: Without dead ends: 2631 [2021-11-23 16:48:25,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 285 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 16:48:25,479 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 138 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:25,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 570 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:25,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2021-11-23 16:48:25,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2631. [2021-11-23 16:48:25,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2631 states, 2630 states have (on average 1.25893536121673) internal successors, (3311), 2630 states have internal predecessors, (3311), 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 16:48:25,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 3311 transitions. [2021-11-23 16:48:25,587 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 3311 transitions. Word has length 287 [2021-11-23 16:48:25,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:25,588 INFO L470 AbstractCegarLoop]: Abstraction has 2631 states and 3311 transitions. [2021-11-23 16:48:25,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 16:48:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3311 transitions. [2021-11-23 16:48:25,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 16:48:25,596 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:25,596 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 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 16:48:25,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:25,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:25,810 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:25,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:25,810 INFO L85 PathProgramCache]: Analyzing trace with hash -972164745, now seen corresponding path program 1 times [2021-11-23 16:48:25,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:25,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [540962351] [2021-11-23 16:48:25,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:25,811 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:25,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:25,812 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:25,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-23 16:48:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:25,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:25,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2021-11-23 16:48:26,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:26,387 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:26,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [540962351] [2021-11-23 16:48:26,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [540962351] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:26,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:26,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:26,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147350365] [2021-11-23 16:48:26,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:26,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:26,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:26,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:26,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:26,389 INFO L87 Difference]: Start difference. First operand 2631 states and 3311 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 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 16:48:26,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:26,511 INFO L93 Difference]: Finished difference Result 4816 states and 6058 transitions. [2021-11-23 16:48:26,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:26,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 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) Word has length 287 [2021-11-23 16:48:26,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:26,528 INFO L225 Difference]: With dead ends: 4816 [2021-11-23 16:48:26,528 INFO L226 Difference]: Without dead ends: 2670 [2021-11-23 16:48:26,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 285 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 16:48:26,531 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 10 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:26,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 457 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 16:48:26,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2021-11-23 16:48:26,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2670. [2021-11-23 16:48:26,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 2669 states have (on average 1.2570251030348445) internal successors, (3355), 2669 states have internal predecessors, (3355), 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 16:48:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 3355 transitions. [2021-11-23 16:48:26,613 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 3355 transitions. Word has length 287 [2021-11-23 16:48:26,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:26,614 INFO L470 AbstractCegarLoop]: Abstraction has 2670 states and 3355 transitions. [2021-11-23 16:48:26,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 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 16:48:26,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3355 transitions. [2021-11-23 16:48:26,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 16:48:26,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:26,641 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 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 16:48:26,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:26,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:26,854 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:26,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:26,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1245465653, now seen corresponding path program 1 times [2021-11-23 16:48:26,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:26,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543594672] [2021-11-23 16:48:26,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:26,855 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:26,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:26,856 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:26,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-23 16:48:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:26,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:26,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:27,472 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 478 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2021-11-23 16:48:27,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:27,472 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:27,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543594672] [2021-11-23 16:48:27,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543594672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:27,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:27,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:27,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109850023] [2021-11-23 16:48:27,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:27,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:27,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:27,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:27,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:27,475 INFO L87 Difference]: Start difference. First operand 2670 states and 3355 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 16:48:27,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:27,619 INFO L93 Difference]: Finished difference Result 4892 states and 6144 transitions. [2021-11-23 16:48:27,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:27,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 287 [2021-11-23 16:48:27,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:27,655 INFO L225 Difference]: With dead ends: 4892 [2021-11-23 16:48:27,662 INFO L226 Difference]: Without dead ends: 2707 [2021-11-23 16:48:27,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 285 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 16:48:27,666 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 10 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:27,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 455 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:27,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2021-11-23 16:48:27,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 2707. [2021-11-23 16:48:27,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2707 states, 2706 states have (on average 1.2553584626755359) internal successors, (3397), 2706 states have internal predecessors, (3397), 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 16:48:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2707 states and 3397 transitions. [2021-11-23 16:48:27,756 INFO L78 Accepts]: Start accepts. Automaton has 2707 states and 3397 transitions. Word has length 287 [2021-11-23 16:48:27,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:27,757 INFO L470 AbstractCegarLoop]: Abstraction has 2707 states and 3397 transitions. [2021-11-23 16:48:27,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 16:48:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 3397 transitions. [2021-11-23 16:48:27,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 16:48:27,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:27,765 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 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 16:48:27,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:27,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:27,979 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:27,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:27,980 INFO L85 PathProgramCache]: Analyzing trace with hash -727699725, now seen corresponding path program 1 times [2021-11-23 16:48:27,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:27,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67433363] [2021-11-23 16:48:27,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:27,982 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:27,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:27,983 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:27,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-23 16:48:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:28,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:28,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2021-11-23 16:48:28,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:28,527 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:28,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67433363] [2021-11-23 16:48:28,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67433363] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:28,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:28,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:28,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060253029] [2021-11-23 16:48:28,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:28,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:28,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:28,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:28,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:28,530 INFO L87 Difference]: Start difference. First operand 2707 states and 3397 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 16:48:28,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:28,717 INFO L93 Difference]: Finished difference Result 5330 states and 6711 transitions. [2021-11-23 16:48:28,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:28,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 287 [2021-11-23 16:48:28,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:28,726 INFO L225 Difference]: With dead ends: 5330 [2021-11-23 16:48:28,727 INFO L226 Difference]: Without dead ends: 3108 [2021-11-23 16:48:28,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 285 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 16:48:28,730 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 178 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:28,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 573 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:28,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2021-11-23 16:48:28,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 3108. [2021-11-23 16:48:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3108 states, 3107 states have (on average 1.2555519794013519) internal successors, (3901), 3107 states have internal predecessors, (3901), 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 16:48:28,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 3108 states and 3901 transitions. [2021-11-23 16:48:28,839 INFO L78 Accepts]: Start accepts. Automaton has 3108 states and 3901 transitions. Word has length 287 [2021-11-23 16:48:28,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:28,840 INFO L470 AbstractCegarLoop]: Abstraction has 3108 states and 3901 transitions. [2021-11-23 16:48:28,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 16:48:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 3108 states and 3901 transitions. [2021-11-23 16:48:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-23 16:48:28,848 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:28,849 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 4, 4, 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, 1, 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 16:48:28,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:29,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:29,062 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:29,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:29,063 INFO L85 PathProgramCache]: Analyzing trace with hash 404364874, now seen corresponding path program 1 times [2021-11-23 16:48:29,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:29,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020117081] [2021-11-23 16:48:29,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:29,064 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:29,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:29,065 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:29,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-23 16:48:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:29,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:29,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2021-11-23 16:48:29,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:29,860 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:29,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020117081] [2021-11-23 16:48:29,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020117081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:29,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:29,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:29,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089247072] [2021-11-23 16:48:29,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:29,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:29,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:29,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:29,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:29,863 INFO L87 Difference]: Start difference. First operand 3108 states and 3901 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 16:48:30,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:30,014 INFO L93 Difference]: Finished difference Result 9007 states and 11328 transitions. [2021-11-23 16:48:30,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:30,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 325 [2021-11-23 16:48:30,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:30,030 INFO L225 Difference]: With dead ends: 9007 [2021-11-23 16:48:30,030 INFO L226 Difference]: Without dead ends: 5944 [2021-11-23 16:48:30,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 323 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 16:48:30,036 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 135 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:30,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 614 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 16:48:30,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5944 states. [2021-11-23 16:48:30,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5944 to 5942. [2021-11-23 16:48:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5942 states, 5941 states have (on average 1.2556808618077764) internal successors, (7460), 5941 states have internal predecessors, (7460), 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 16:48:30,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 7460 transitions. [2021-11-23 16:48:30,281 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 7460 transitions. Word has length 325 [2021-11-23 16:48:30,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:30,282 INFO L470 AbstractCegarLoop]: Abstraction has 5942 states and 7460 transitions. [2021-11-23 16:48:30,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 16:48:30,282 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 7460 transitions. [2021-11-23 16:48:30,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-23 16:48:30,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:30,304 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:30,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:30,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:30,519 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:30,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:30,520 INFO L85 PathProgramCache]: Analyzing trace with hash 844414180, now seen corresponding path program 1 times [2021-11-23 16:48:30,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:30,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776572508] [2021-11-23 16:48:30,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:30,521 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:30,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:30,523 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:30,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-23 16:48:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:30,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:30,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked. [2021-11-23 16:48:31,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:31,149 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:31,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776572508] [2021-11-23 16:48:31,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776572508] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:31,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:31,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:31,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074907187] [2021-11-23 16:48:31,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:31,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:31,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:31,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:31,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:31,152 INFO L87 Difference]: Start difference. First operand 5942 states and 7460 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 16:48:31,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:31,445 INFO L93 Difference]: Finished difference Result 12511 states and 16078 transitions. [2021-11-23 16:48:31,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:31,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 365 [2021-11-23 16:48:31,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:31,461 INFO L225 Difference]: With dead ends: 12511 [2021-11-23 16:48:31,461 INFO L226 Difference]: Without dead ends: 6614 [2021-11-23 16:48:31,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 363 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 16:48:31,467 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 23 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:31,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 372 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 16:48:31,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6614 states. [2021-11-23 16:48:31,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6614 to 6530. [2021-11-23 16:48:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 6529 states have (on average 1.243375708378006) internal successors, (8118), 6529 states have internal predecessors, (8118), 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 16:48:31,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 8118 transitions. [2021-11-23 16:48:31,643 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 8118 transitions. Word has length 365 [2021-11-23 16:48:31,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:31,644 INFO L470 AbstractCegarLoop]: Abstraction has 6530 states and 8118 transitions. [2021-11-23 16:48:31,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 16:48:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 8118 transitions. [2021-11-23 16:48:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-11-23 16:48:31,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:31,659 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:31,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:31,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:31,873 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:31,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:31,873 INFO L85 PathProgramCache]: Analyzing trace with hash 746027085, now seen corresponding path program 1 times [2021-11-23 16:48:31,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:31,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203859243] [2021-11-23 16:48:31,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:31,874 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:31,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:31,875 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:31,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-23 16:48:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:32,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:48:32,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 572 proven. 26 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-11-23 16:48:32,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:48:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 572 proven. 26 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-11-23 16:48:33,479 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:33,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1203859243] [2021-11-23 16:48:33,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1203859243] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:48:33,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1368970663] [2021-11-23 16:48:33,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:33,480 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:33,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:48:33,486 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:48:33,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2021-11-23 16:48:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:33,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:33,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 572 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2021-11-23 16:48:34,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:34,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1368970663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:34,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 16:48:34,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-23 16:48:34,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370534237] [2021-11-23 16:48:34,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:34,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:34,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:34,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:34,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:34,404 INFO L87 Difference]: Start difference. First operand 6530 states and 8118 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 16:48:34,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:34,630 INFO L93 Difference]: Finished difference Result 12955 states and 16140 transitions. [2021-11-23 16:48:34,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:34,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 435 [2021-11-23 16:48:34,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:34,649 INFO L225 Difference]: With dead ends: 12955 [2021-11-23 16:48:34,649 INFO L226 Difference]: Without dead ends: 7407 [2021-11-23 16:48:34,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1302 GetRequests, 1297 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:34,658 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 133 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:34,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 570 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:34,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7407 states. [2021-11-23 16:48:34,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7407 to 7407. [2021-11-23 16:48:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7407 states, 7406 states have (on average 1.2431812044288415) internal successors, (9207), 7406 states have internal predecessors, (9207), 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 16:48:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7407 states to 7407 states and 9207 transitions. [2021-11-23 16:48:34,890 INFO L78 Accepts]: Start accepts. Automaton has 7407 states and 9207 transitions. Word has length 435 [2021-11-23 16:48:34,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:34,891 INFO L470 AbstractCegarLoop]: Abstraction has 7407 states and 9207 transitions. [2021-11-23 16:48:34,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 16:48:34,892 INFO L276 IsEmpty]: Start isEmpty. Operand 7407 states and 9207 transitions. [2021-11-23 16:48:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2021-11-23 16:48:34,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:34,912 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:34,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:35,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-11-23 16:48:35,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:35,314 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:35,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:35,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1007127207, now seen corresponding path program 1 times [2021-11-23 16:48:35,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:35,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675756511] [2021-11-23 16:48:35,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:35,316 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:35,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:35,322 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:35,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-23 16:48:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:35,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:35,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 840 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2021-11-23 16:48:36,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:36,127 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:36,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675756511] [2021-11-23 16:48:36,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675756511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:36,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:36,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:36,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061807653] [2021-11-23 16:48:36,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:36,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:36,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:36,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:36,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:36,131 INFO L87 Difference]: Start difference. First operand 7407 states and 9207 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 16:48:36,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:36,300 INFO L93 Difference]: Finished difference Result 13924 states and 17295 transitions. [2021-11-23 16:48:36,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:36,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 436 [2021-11-23 16:48:36,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:36,317 INFO L225 Difference]: With dead ends: 13924 [2021-11-23 16:48:36,317 INFO L226 Difference]: Without dead ends: 7499 [2021-11-23 16:48:36,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 434 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 16:48:36,325 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 10 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:36,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 464 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 16:48:36,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7499 states. [2021-11-23 16:48:36,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7499 to 7499. [2021-11-23 16:48:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7499 states, 7498 states have (on average 1.2415310749533208) internal successors, (9309), 7498 states have internal predecessors, (9309), 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 16:48:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7499 states to 7499 states and 9309 transitions. [2021-11-23 16:48:36,528 INFO L78 Accepts]: Start accepts. Automaton has 7499 states and 9309 transitions. Word has length 436 [2021-11-23 16:48:36,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:36,529 INFO L470 AbstractCegarLoop]: Abstraction has 7499 states and 9309 transitions. [2021-11-23 16:48:36,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 16:48:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 7499 states and 9309 transitions. [2021-11-23 16:48:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-23 16:48:36,543 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:36,544 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:36,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:36,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:36,757 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:36,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:36,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1454892532, now seen corresponding path program 1 times [2021-11-23 16:48:36,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:36,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70627065] [2021-11-23 16:48:36,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:36,758 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:36,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:36,759 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:36,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-23 16:48:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:36,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:36,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 1014 proven. 0 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2021-11-23 16:48:37,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:37,599 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:37,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70627065] [2021-11-23 16:48:37,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70627065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:37,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:48:37,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 16:48:37,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639323530] [2021-11-23 16:48:37,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:37,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:37,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:37,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:37,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 16:48:37,601 INFO L87 Difference]: Start difference. First operand 7499 states and 9309 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 16:48:37,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:37,773 INFO L93 Difference]: Finished difference Result 14851 states and 18476 transitions. [2021-11-23 16:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:37,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 437 [2021-11-23 16:48:37,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:37,790 INFO L225 Difference]: With dead ends: 14851 [2021-11-23 16:48:37,791 INFO L226 Difference]: Without dead ends: 8334 [2021-11-23 16:48:37,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 435 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 16:48:37,800 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 136 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:37,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 572 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:37,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8334 states. [2021-11-23 16:48:38,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8334 to 8334. [2021-11-23 16:48:38,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8334 states, 8333 states have (on average 1.2422896915876636) internal successors, (10352), 8333 states have internal predecessors, (10352), 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 16:48:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8334 states to 8334 states and 10352 transitions. [2021-11-23 16:48:38,069 INFO L78 Accepts]: Start accepts. Automaton has 8334 states and 10352 transitions. Word has length 437 [2021-11-23 16:48:38,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:38,070 INFO L470 AbstractCegarLoop]: Abstraction has 8334 states and 10352 transitions. [2021-11-23 16:48:38,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 16:48:38,071 INFO L276 IsEmpty]: Start isEmpty. Operand 8334 states and 10352 transitions. [2021-11-23 16:48:38,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2021-11-23 16:48:38,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:38,096 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 10, 9, 9, 8, 8, 7, 7, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:38,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:38,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:38,309 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:38,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:38,310 INFO L85 PathProgramCache]: Analyzing trace with hash -349156580, now seen corresponding path program 1 times [2021-11-23 16:48:38,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:38,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624933955] [2021-11-23 16:48:38,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:38,311 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:38,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:38,312 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:38,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-23 16:48:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:38,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:48:38,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 1996 proven. 26 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2021-11-23 16:48:39,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:48:40,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 1996 proven. 26 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2021-11-23 16:48:40,305 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:40,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624933955] [2021-11-23 16:48:40,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624933955] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:48:40,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1334609498] [2021-11-23 16:48:40,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:40,306 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:40,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:48:40,308 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:48:40,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2021-11-23 16:48:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:40,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:40,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 809 proven. 0 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2021-11-23 16:48:41,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:41,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1334609498] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:41,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 16:48:41,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-23 16:48:41,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884233016] [2021-11-23 16:48:41,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:41,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:41,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:41,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:41,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:41,438 INFO L87 Difference]: Start difference. First operand 8334 states and 10352 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 16:48:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:41,652 INFO L93 Difference]: Finished difference Result 16565 states and 20612 transitions. [2021-11-23 16:48:41,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:41,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 586 [2021-11-23 16:48:41,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:41,670 INFO L225 Difference]: With dead ends: 16565 [2021-11-23 16:48:41,670 INFO L226 Difference]: Without dead ends: 9213 [2021-11-23 16:48:41,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1755 GetRequests, 1750 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:41,680 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 133 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:41,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 570 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:41,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9213 states. [2021-11-23 16:48:41,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9213 to 9213. [2021-11-23 16:48:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9213 states, 9212 states have (on average 1.2421841076856275) internal successors, (11443), 9212 states have internal predecessors, (11443), 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 16:48:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9213 states to 9213 states and 11443 transitions. [2021-11-23 16:48:41,945 INFO L78 Accepts]: Start accepts. Automaton has 9213 states and 11443 transitions. Word has length 586 [2021-11-23 16:48:41,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:41,947 INFO L470 AbstractCegarLoop]: Abstraction has 9213 states and 11443 transitions. [2021-11-23 16:48:41,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 16:48:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 9213 states and 11443 transitions. [2021-11-23 16:48:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2021-11-23 16:48:41,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:41,974 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 10, 9, 9, 8, 8, 7, 7, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:41,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:42,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:42,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:42,387 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:42,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:42,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1741653189, now seen corresponding path program 1 times [2021-11-23 16:48:42,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:42,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706047623] [2021-11-23 16:48:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:42,389 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:42,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:42,390 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:42,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-23 16:48:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:42,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:48:42,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 1996 proven. 26 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2021-11-23 16:48:43,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:48:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 1996 proven. 26 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2021-11-23 16:48:44,340 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:44,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706047623] [2021-11-23 16:48:44,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706047623] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:48:44,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1252854238] [2021-11-23 16:48:44,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:44,342 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:44,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:48:44,342 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:48:44,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2021-11-23 16:48:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:44,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:44,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 1212 proven. 0 refuted. 0 times theorem prover too weak. 2350 trivial. 0 not checked. [2021-11-23 16:48:45,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:45,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1252854238] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:45,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 16:48:45,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-23 16:48:45,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841014197] [2021-11-23 16:48:45,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:45,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:45,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:45,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:45,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:45,358 INFO L87 Difference]: Start difference. First operand 9213 states and 11443 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 16:48:45,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:45,560 INFO L93 Difference]: Finished difference Result 17538 states and 21771 transitions. [2021-11-23 16:48:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:45,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 587 [2021-11-23 16:48:45,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:45,576 INFO L225 Difference]: With dead ends: 17538 [2021-11-23 16:48:45,576 INFO L226 Difference]: Without dead ends: 9307 [2021-11-23 16:48:45,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1758 GetRequests, 1753 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:45,586 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 10 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:45,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 464 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:45,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9307 states. [2021-11-23 16:48:45,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9307 to 9307. [2021-11-23 16:48:45,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9307 states, 9306 states have (on average 1.2408123791102514) internal successors, (11547), 9306 states have internal predecessors, (11547), 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 16:48:45,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9307 states to 9307 states and 11547 transitions. [2021-11-23 16:48:45,867 INFO L78 Accepts]: Start accepts. Automaton has 9307 states and 11547 transitions. Word has length 587 [2021-11-23 16:48:45,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:45,868 INFO L470 AbstractCegarLoop]: Abstraction has 9307 states and 11547 transitions. [2021-11-23 16:48:45,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 16:48:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 9307 states and 11547 transitions. [2021-11-23 16:48:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2021-11-23 16:48:45,883 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:45,884 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 10, 9, 9, 8, 8, 7, 7, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:45,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:46,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:46,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:46,286 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:46,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:46,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1162060469, now seen corresponding path program 1 times [2021-11-23 16:48:46,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:46,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713530453] [2021-11-23 16:48:46,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:46,288 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:46,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:46,289 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:46,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-23 16:48:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:46,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:48:46,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 1996 proven. 26 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2021-11-23 16:48:47,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:48:48,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 1996 proven. 26 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2021-11-23 16:48:48,132 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:48,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713530453] [2021-11-23 16:48:48,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713530453] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:48:48,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [646328835] [2021-11-23 16:48:48,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:48,133 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:48,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:48:48,135 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:48:48,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2021-11-23 16:48:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:48,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:48,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 1521 proven. 0 refuted. 0 times theorem prover too weak. 2041 trivial. 0 not checked. [2021-11-23 16:48:49,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:49,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [646328835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:49,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 16:48:49,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-23 16:48:49,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854446395] [2021-11-23 16:48:49,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:49,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:49,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:49,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:49,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:49,084 INFO L87 Difference]: Start difference. First operand 9307 states and 11547 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 16:48:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:49,274 INFO L93 Difference]: Finished difference Result 18469 states and 22956 transitions. [2021-11-23 16:48:49,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:49,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 588 [2021-11-23 16:48:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:49,285 INFO L225 Difference]: With dead ends: 18469 [2021-11-23 16:48:49,285 INFO L226 Difference]: Without dead ends: 10144 [2021-11-23 16:48:49,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1761 GetRequests, 1756 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:49,291 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 136 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:49,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 572 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:49,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10144 states. [2021-11-23 16:48:49,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10144 to 10144. [2021-11-23 16:48:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10144 states, 10143 states have (on average 1.2414473035591047) internal successors, (12592), 10143 states have internal predecessors, (12592), 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 16:48:49,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10144 states to 10144 states and 12592 transitions. [2021-11-23 16:48:49,590 INFO L78 Accepts]: Start accepts. Automaton has 10144 states and 12592 transitions. Word has length 588 [2021-11-23 16:48:49,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:49,591 INFO L470 AbstractCegarLoop]: Abstraction has 10144 states and 12592 transitions. [2021-11-23 16:48:49,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 16:48:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 10144 states and 12592 transitions. [2021-11-23 16:48:49,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2021-11-23 16:48:49,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:49,610 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 20, 20, 19, 19, 18, 18, 17, 17, 17, 17, 13, 12, 12, 11, 11, 10, 10, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:49,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:49,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:50,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:50,025 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:50,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:50,025 INFO L85 PathProgramCache]: Analyzing trace with hash -287836341, now seen corresponding path program 1 times [2021-11-23 16:48:50,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:50,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504286760] [2021-11-23 16:48:50,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:50,027 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:50,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:50,028 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:50,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-23 16:48:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:50,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:48:50,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 3420 proven. 26 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2021-11-23 16:48:51,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:48:52,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 3420 proven. 26 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2021-11-23 16:48:52,158 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:52,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504286760] [2021-11-23 16:48:52,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504286760] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:48:52,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [397002372] [2021-11-23 16:48:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:52,159 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:52,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:48:52,159 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:48:52,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2021-11-23 16:48:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:52,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:52,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 1047 proven. 0 refuted. 0 times theorem prover too weak. 4631 trivial. 0 not checked. [2021-11-23 16:48:53,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:53,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [397002372] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:53,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 16:48:53,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-23 16:48:53,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089430780] [2021-11-23 16:48:53,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:53,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:53,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:53,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:53,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:53,284 INFO L87 Difference]: Start difference. First operand 10144 states and 12592 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 16:48:53,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:53,495 INFO L93 Difference]: Finished difference Result 20187 states and 25096 transitions. [2021-11-23 16:48:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:53,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 740 [2021-11-23 16:48:53,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:53,507 INFO L225 Difference]: With dead ends: 20187 [2021-11-23 16:48:53,508 INFO L226 Difference]: Without dead ends: 11025 [2021-11-23 16:48:53,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2217 GetRequests, 2212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:53,515 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 133 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:53,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 570 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:53,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11025 states. [2021-11-23 16:48:53,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11025 to 11025. [2021-11-23 16:48:53,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11025 states, 11024 states have (on average 1.2413824383164005) internal successors, (13685), 11024 states have internal predecessors, (13685), 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 16:48:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11025 states to 11025 states and 13685 transitions. [2021-11-23 16:48:53,852 INFO L78 Accepts]: Start accepts. Automaton has 11025 states and 13685 transitions. Word has length 740 [2021-11-23 16:48:53,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:53,853 INFO L470 AbstractCegarLoop]: Abstraction has 11025 states and 13685 transitions. [2021-11-23 16:48:53,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 16:48:53,854 INFO L276 IsEmpty]: Start isEmpty. Operand 11025 states and 13685 transitions. [2021-11-23 16:48:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2021-11-23 16:48:53,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:53,880 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 20, 20, 19, 19, 18, 18, 17, 17, 17, 17, 13, 12, 12, 11, 11, 10, 10, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:53,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2021-11-23 16:48:54,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (38)] Ended with exit code 0 [2021-11-23 16:48:54,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:54,283 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:54,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:54,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1687348945, now seen corresponding path program 1 times [2021-11-23 16:48:54,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:54,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182535976] [2021-11-23 16:48:54,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:54,286 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:54,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:54,287 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:54,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-23 16:48:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:54,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:48:54,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 3420 proven. 26 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2021-11-23 16:48:55,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:48:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 3420 proven. 26 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2021-11-23 16:48:56,527 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:48:56,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182535976] [2021-11-23 16:48:56,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182535976] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:48:56,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [559926569] [2021-11-23 16:48:56,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:56,528 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:56,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:48:56,529 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:48:56,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2021-11-23 16:48:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:56,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:48:56,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 1586 proven. 0 refuted. 0 times theorem prover too weak. 4092 trivial. 0 not checked. [2021-11-23 16:48:57,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:48:57,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [559926569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:48:57,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 16:48:57,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-23 16:48:57,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235755797] [2021-11-23 16:48:57,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:48:57,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:48:57,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:48:57,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:48:57,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:57,834 INFO L87 Difference]: Start difference. First operand 11025 states and 13685 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 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 16:48:58,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:48:58,070 INFO L93 Difference]: Finished difference Result 21164 states and 26259 transitions. [2021-11-23 16:48:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:48:58,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 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 741 [2021-11-23 16:48:58,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:48:58,082 INFO L225 Difference]: With dead ends: 21164 [2021-11-23 16:48:58,082 INFO L226 Difference]: Without dead ends: 11121 [2021-11-23 16:48:58,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2220 GetRequests, 2215 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:48:58,090 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 10 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:48:58,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 464 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:48:58,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11121 states. [2021-11-23 16:48:58,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11121 to 11121. [2021-11-23 16:48:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11121 states, 11120 states have (on average 1.2401978417266186) internal successors, (13791), 11120 states have internal predecessors, (13791), 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 16:48:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11121 states to 11121 states and 13791 transitions. [2021-11-23 16:48:58,345 INFO L78 Accepts]: Start accepts. Automaton has 11121 states and 13791 transitions. Word has length 741 [2021-11-23 16:48:58,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:48:58,346 INFO L470 AbstractCegarLoop]: Abstraction has 11121 states and 13791 transitions. [2021-11-23 16:48:58,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 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 16:48:58,347 INFO L276 IsEmpty]: Start isEmpty. Operand 11121 states and 13791 transitions. [2021-11-23 16:48:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 743 [2021-11-23 16:48:58,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:58,366 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 20, 20, 19, 19, 18, 18, 17, 17, 17, 17, 13, 12, 12, 11, 11, 10, 10, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:58,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2021-11-23 16:48:58,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:58,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:58,769 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:58,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:58,770 INFO L85 PathProgramCache]: Analyzing trace with hash 552728582, now seen corresponding path program 1 times [2021-11-23 16:48:58,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:58,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823034608] [2021-11-23 16:48:58,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:58,771 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:58,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:58,772 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:58,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-23 16:48:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:48:58,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:48:58,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:48:59,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 2258 proven. 18 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2021-11-23 16:48:59,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:49:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 2258 proven. 18 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2021-11-23 16:49:01,092 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:49:01,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823034608] [2021-11-23 16:49:01,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823034608] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:49:01,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1216910917] [2021-11-23 16:49:01,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:49:01,093 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:49:01,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:49:01,094 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:49:01,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2021-11-23 16:49:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:49:01,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:49:01,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:49:02,220 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 2258 proven. 18 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2021-11-23 16:49:02,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:49:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 2258 proven. 18 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2021-11-23 16:49:03,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1216910917] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:49:03,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612597262] [2021-11-23 16:49:03,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:49:03,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 16:49:03,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:49:03,297 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 16:49:03,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-11-23 16:49:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:49:03,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:49:03,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:49:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 2258 proven. 18 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2021-11-23 16:49:04,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:49:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 2258 proven. 18 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2021-11-23 16:49:05,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612597262] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:49:05,442 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 16:49:05,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2021-11-23 16:49:05,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410919132] [2021-11-23 16:49:05,445 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 16:49:05,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 16:49:05,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:49:05,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 16:49:05,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 16:49:05,450 INFO L87 Difference]: Start difference. First operand 11121 states and 13791 transitions. Second operand has 6 states, 6 states have (on average 44.833333333333336) internal successors, (269), 6 states have internal predecessors, (269), 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 16:49:06,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:49:06,330 INFO L93 Difference]: Finished difference Result 27450 states and 34695 transitions. [2021-11-23 16:49:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 16:49:06,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 44.833333333333336) internal successors, (269), 6 states have internal predecessors, (269), 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 742 [2021-11-23 16:49:06,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:49:06,349 INFO L225 Difference]: With dead ends: 27450 [2021-11-23 16:49:06,349 INFO L226 Difference]: Without dead ends: 16374 [2021-11-23 16:49:06,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4454 GetRequests, 4446 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-23 16:49:06,359 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 687 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 16:49:06,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 1018 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 16:49:06,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16374 states. [2021-11-23 16:49:06,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16374 to 11691. [2021-11-23 16:49:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11691 states, 11690 states have (on average 1.2355004277159967) internal successors, (14443), 11690 states have internal predecessors, (14443), 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 16:49:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11691 states to 11691 states and 14443 transitions. [2021-11-23 16:49:06,735 INFO L78 Accepts]: Start accepts. Automaton has 11691 states and 14443 transitions. Word has length 742 [2021-11-23 16:49:06,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:49:06,736 INFO L470 AbstractCegarLoop]: Abstraction has 11691 states and 14443 transitions. [2021-11-23 16:49:06,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.833333333333336) internal successors, (269), 6 states have internal predecessors, (269), 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 16:49:06,736 INFO L276 IsEmpty]: Start isEmpty. Operand 11691 states and 14443 transitions. [2021-11-23 16:49:06,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 743 [2021-11-23 16:49:06,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:49:06,761 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 20, 20, 19, 19, 18, 18, 17, 17, 17, 17, 13, 12, 12, 11, 11, 10, 10, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:49:06,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2021-11-23 16:49:06,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2021-11-23 16:49:07,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2021-11-23 16:49:07,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt [2021-11-23 16:49:07,374 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:49:07,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:49:07,375 INFO L85 PathProgramCache]: Analyzing trace with hash -51543482, now seen corresponding path program 1 times [2021-11-23 16:49:07,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:49:07,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789629881] [2021-11-23 16:49:07,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:49:07,376 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:49:07,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:49:07,377 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:49:07,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2021-11-23 16:49:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:49:07,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:49:07,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:49:08,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 3420 proven. 26 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2021-11-23 16:49:08,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:49:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 3420 proven. 26 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2021-11-23 16:49:09,409 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:49:09,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789629881] [2021-11-23 16:49:09,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789629881] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:49:09,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1377719923] [2021-11-23 16:49:09,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:49:09,414 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:49:09,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:49:09,415 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:49:09,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2021-11-23 16:49:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:49:09,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:49:09,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:49:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 2031 proven. 0 refuted. 0 times theorem prover too weak. 3647 trivial. 0 not checked. [2021-11-23 16:49:10,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:49:10,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1377719923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:49:10,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 16:49:10,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-23 16:49:10,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971341284] [2021-11-23 16:49:10,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:49:10,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:49:10,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:49:10,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:49:10,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:49:10,580 INFO L87 Difference]: Start difference. First operand 11691 states and 14443 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 16:49:10,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:49:10,906 INFO L93 Difference]: Finished difference Result 23239 states and 28761 transitions. [2021-11-23 16:49:10,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:49:10,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 742 [2021-11-23 16:49:10,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:49:10,921 INFO L225 Difference]: With dead ends: 23239 [2021-11-23 16:49:10,921 INFO L226 Difference]: Without dead ends: 12819 [2021-11-23 16:49:10,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2223 GetRequests, 2218 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:49:10,930 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 136 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:49:10,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 572 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:49:10,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12819 states. [2021-11-23 16:49:11,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12819 to 12819. [2021-11-23 16:49:11,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12819 states, 12818 states have (on average 1.2363083164300204) internal successors, (15847), 12818 states have internal predecessors, (15847), 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 16:49:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12819 states to 12819 states and 15847 transitions. [2021-11-23 16:49:11,178 INFO L78 Accepts]: Start accepts. Automaton has 12819 states and 15847 transitions. Word has length 742 [2021-11-23 16:49:11,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:49:11,179 INFO L470 AbstractCegarLoop]: Abstraction has 12819 states and 15847 transitions. [2021-11-23 16:49:11,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 16:49:11,179 INFO L276 IsEmpty]: Start isEmpty. Operand 12819 states and 15847 transitions. [2021-11-23 16:49:11,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2021-11-23 16:49:11,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:49:11,210 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 24, 24, 23, 23, 22, 22, 21, 21, 21, 21, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:49:11,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2021-11-23 16:49:11,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2021-11-23 16:49:11,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt [2021-11-23 16:49:11,625 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:49:11,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:49:11,625 INFO L85 PathProgramCache]: Analyzing trace with hash -926610131, now seen corresponding path program 1 times [2021-11-23 16:49:11,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:49:11,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126046648] [2021-11-23 16:49:11,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:49:11,627 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:49:11,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:49:11,628 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:49:11,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2021-11-23 16:49:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:49:11,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:49:11,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:49:12,921 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2021-11-23 16:49:12,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:49:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2021-11-23 16:49:14,208 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:49:14,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126046648] [2021-11-23 16:49:14,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2126046648] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:49:14,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [700706607] [2021-11-23 16:49:14,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:49:14,209 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:49:14,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:49:14,210 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:49:14,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2021-11-23 16:49:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:49:14,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 16:49:14,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:49:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 2544 proven. 0 refuted. 0 times theorem prover too weak. 5763 trivial. 0 not checked. [2021-11-23 16:49:15,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:49:15,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [700706607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:49:15,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 16:49:15,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-23 16:49:15,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546882446] [2021-11-23 16:49:15,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:49:15,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 16:49:15,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:49:15,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 16:49:15,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:49:15,688 INFO L87 Difference]: Start difference. First operand 12819 states and 15847 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 16:49:16,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:49:16,006 INFO L93 Difference]: Finished difference Result 25497 states and 31573 transitions. [2021-11-23 16:49:16,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 16:49:16,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 897 [2021-11-23 16:49:16,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:49:16,022 INFO L225 Difference]: With dead ends: 25497 [2021-11-23 16:49:16,022 INFO L226 Difference]: Without dead ends: 13949 [2021-11-23 16:49:16,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2688 GetRequests, 2683 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 16:49:16,030 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 136 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 16:49:16,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 572 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 16:49:16,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13949 states. [2021-11-23 16:49:16,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13949 to 13949. [2021-11-23 16:49:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13949 states, 13948 states have (on average 1.2369515342701463) internal successors, (17253), 13948 states have internal predecessors, (17253), 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 16:49:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13949 states to 13949 states and 17253 transitions. [2021-11-23 16:49:16,367 INFO L78 Accepts]: Start accepts. Automaton has 13949 states and 17253 transitions. Word has length 897 [2021-11-23 16:49:16,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:49:16,368 INFO L470 AbstractCegarLoop]: Abstraction has 13949 states and 17253 transitions. [2021-11-23 16:49:16,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 16:49:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 13949 states and 17253 transitions. [2021-11-23 16:49:16,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2021-11-23 16:49:16,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:49:16,400 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 24, 24, 23, 23, 22, 22, 21, 21, 21, 21, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:49:16,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2021-11-23 16:49:16,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (47)] Ended with exit code 0 [2021-11-23 16:49:16,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:49:16,803 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:49:16,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:49:16,803 INFO L85 PathProgramCache]: Analyzing trace with hash -593966993, now seen corresponding path program 1 times [2021-11-23 16:49:16,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:49:16,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394378821] [2021-11-23 16:49:16,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:49:16,805 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:49:16,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:49:16,808 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:49:16,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2021-11-23 16:49:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:49:16,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:49:16,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:49:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2021-11-23 16:49:18,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:49:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2021-11-23 16:49:19,252 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:49:19,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394378821] [2021-11-23 16:49:19,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1394378821] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:49:19,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1675945035] [2021-11-23 16:49:19,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:49:19,253 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 16:49:19,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 16:49:19,254 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 16:49:19,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2021-11-23 16:49:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:49:19,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:49:19,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:49:20,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2021-11-23 16:49:20,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:49:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2021-11-23 16:49:21,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1675945035] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:49:21,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423680267] [2021-11-23 16:49:21,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:49:21,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 16:49:21,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:49:21,816 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 16:49:21,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-11-23 16:49:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:49:21,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 16:49:21,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:49:23,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2021-11-23 16:49:23,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 16:49:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2021-11-23 16:49:24,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423680267] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 16:49:24,318 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 16:49:24,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2021-11-23 16:49:24,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802121242] [2021-11-23 16:49:24,320 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 16:49:24,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 16:49:24,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:49:24,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 16:49:24,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 16:49:24,324 INFO L87 Difference]: Start difference. First operand 13949 states and 17253 transitions. Second operand has 6 states, 6 states have (on average 51.5) internal successors, (309), 6 states have internal predecessors, (309), 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 16:49:25,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:49:25,159 INFO L93 Difference]: Finished difference Result 17312 states and 21585 transitions. [2021-11-23 16:49:25,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 16:49:25,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 51.5) internal successors, (309), 6 states have internal predecessors, (309), 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 897 [2021-11-23 16:49:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:49:25,160 INFO L225 Difference]: With dead ends: 17312 [2021-11-23 16:49:25,160 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 16:49:25,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5384 GetRequests, 5376 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-23 16:49:25,167 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 424 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 16:49:25,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 746 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 16:49:25,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 16:49:25,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 16:49:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 16:49:25,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 16:49:25,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 897 [2021-11-23 16:49:25,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:49:25,168 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 16:49:25,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.5) internal successors, (309), 6 states have internal predecessors, (309), 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 16:49:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 16:49:25,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 16:49:25,171 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 16:49:25,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2021-11-23 16:49:25,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2021-11-23 16:49:25,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2021-11-23 16:49:25,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 16:49:25,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 16:49:35,118 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 567) no Hoare annotation was computed. [2021-11-23 16:49:35,119 INFO L854 garLoopResultBuilder]: At program point L201(lines 197 622) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse2 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse5 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse7 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse8 (not .cse4))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse7 .cse8) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse5 .cse3 .cse6 .cse7 .cse8) (and .cse1 .cse5 .cse3 .cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv9 32)) .cse7 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse8) (and .cse1 .cse2 .cse5 .cse3 .cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse7 .cse8)))) [2021-11-23 16:49:35,119 INFO L854 garLoopResultBuilder]: At program point L168(lines 164 633) the Hoare annotation is: (let ((.cse6 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse0 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse4 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse2 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse5) (and .cse6 .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse2 .cse4 .cse5 .cse7) (and .cse6 .cse0 .cse1 .cse3 .cse2 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse5 .cse7))) [2021-11-23 16:49:35,119 INFO L854 garLoopResultBuilder]: At program point L135(lines 134 643) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,119 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2021-11-23 16:49:35,119 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 478) no Hoare annotation was computed. [2021-11-23 16:49:35,119 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 369) no Hoare annotation was computed. [2021-11-23 16:49:35,119 INFO L858 garLoopResultBuilder]: For program point L367-2(lines 364 373) no Hoare annotation was computed. [2021-11-23 16:49:35,120 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 339) no Hoare annotation was computed. [2021-11-23 16:49:35,120 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 219 613) no Hoare annotation was computed. [2021-11-23 16:49:35,121 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 620) no Hoare annotation was computed. [2021-11-23 16:49:35,121 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 631) no Hoare annotation was computed. [2021-11-23 16:49:35,121 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 642) no Hoare annotation was computed. [2021-11-23 16:49:35,121 INFO L854 garLoopResultBuilder]: At program point L402(lines 393 428) the Hoare annotation is: (let ((.cse6 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse0 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse4 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse2 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse5) (and .cse6 .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse2 .cse4 .cse5 .cse7) (and .cse6 .cse0 .cse1 .cse3 .cse2 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse5 .cse7))) [2021-11-23 16:49:35,121 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2021-11-23 16:49:35,121 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2021-11-23 16:49:35,121 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 219 613) no Hoare annotation was computed. [2021-11-23 16:49:35,122 INFO L858 garLoopResultBuilder]: For program point L601(lines 601 607) no Hoare annotation was computed. [2021-11-23 16:49:35,122 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2021-11-23 16:49:35,122 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-11-23 16:49:35,122 INFO L858 garLoopResultBuilder]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2021-11-23 16:49:35,122 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 472) no Hoare annotation was computed. [2021-11-23 16:49:35,122 INFO L858 garLoopResultBuilder]: For program point L470-2(lines 468 478) no Hoare annotation was computed. [2021-11-23 16:49:35,122 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2021-11-23 16:49:35,122 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 619) no Hoare annotation was computed. [2021-11-23 16:49:35,128 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 630) no Hoare annotation was computed. [2021-11-23 16:49:35,128 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 641) no Hoare annotation was computed. [2021-11-23 16:49:35,129 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 440) no Hoare annotation was computed. [2021-11-23 16:49:35,129 INFO L858 garLoopResultBuilder]: For program point L405(lines 405 426) no Hoare annotation was computed. [2021-11-23 16:49:35,129 INFO L854 garLoopResultBuilder]: At program point L207(lines 203 620) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv10 32)) .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,129 INFO L854 garLoopResultBuilder]: At program point L174(lines 170 631) the Hoare annotation is: (let ((.cse6 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse0 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse4 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse2 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse5) (and .cse6 .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse2 .cse4 .cse5 .cse7) (and .cse6 .cse0 .cse1 .cse3 .cse2 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse5 .cse7))) [2021-11-23 16:49:35,129 INFO L861 garLoopResultBuilder]: At program point L670(lines 109 671) the Hoare annotation is: true [2021-11-23 16:49:35,130 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 606) no Hoare annotation was computed. [2021-11-23 16:49:35,130 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 412) no Hoare annotation was computed. [2021-11-23 16:49:35,130 INFO L858 garLoopResultBuilder]: For program point L572(lines 572 586) no Hoare annotation was computed. [2021-11-23 16:49:35,130 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 542) no Hoare annotation was computed. [2021-11-23 16:49:35,130 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 618) no Hoare annotation was computed. [2021-11-23 16:49:35,130 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 629) no Hoare annotation was computed. [2021-11-23 16:49:35,131 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 640) no Hoare annotation was computed. [2021-11-23 16:49:35,131 INFO L854 garLoopResultBuilder]: At program point L110-2(lines 110 669) the Hoare annotation is: (let ((.cse11 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (let ((.cse10 (= (_ bv8544 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32))) (.cse8 (= (_ bv8528 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse15 (= (_ bv3 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse18 (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse13 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32))) (.cse14 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv12 32))) (.cse12 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse20 (= (_ bv8560 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse17 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32))) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse3 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse9 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse6 (not .cse11)) (.cse16 (= (_ bv8672 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse19 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse8 .cse6) (and .cse1 .cse2 .cse3 .cse10 .cse9 .cse5) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32)) .cse1 .cse2 .cse3 .cse8) (and .cse7 .cse11 .cse12) (and .cse7 .cse2 .cse10) (and .cse1 .cse13 .cse2 .cse3 .cse14 .cse5 .cse15) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse7 (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2) (and .cse0 (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse1 .cse2 .cse3 .cse5 .cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv8 32))) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8464 32)) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv0 32))) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv11 32)) .cse1 .cse2 .cse3 .cse5 .cse16 .cse6) (and .cse0 .cse17 .cse1 .cse2 .cse3 .cse8 .cse6) (and .cse7 .cse0 .cse2 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 .cse6) (and .cse7 .cse18) (and .cse7 .cse11 .cse15) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv9 32)) .cse5 .cse19 .cse6) (and .cse7 .cse2 .cse20) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv10 32)) .cse18 .cse5 .cse6) (and .cse1 .cse13 .cse2 .cse3 .cse14 .cse12 .cse5) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv7 32)) .cse0 (= (_ bv8592 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse9 .cse5 .cse20) (and .cse0 .cse17 .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse5 .cse6) (and .cse7 .cse16) (and .cse7 .cse11 .cse19)))) [2021-11-23 16:49:35,131 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 525) no Hoare annotation was computed. [2021-11-23 16:49:35,132 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2021-11-23 16:49:35,132 INFO L854 garLoopResultBuilder]: At program point L177(lines 176 629) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse4 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse2 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse8 (not .cse1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse7 .cse8) (and .cse3 .cse4 .cse5 .cse6 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse7 .cse8) (and .cse0 .cse3 .cse5 .cse2) (and .cse4 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse5 .cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv12 32)) .cse2 .cse7) (and .cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse4 .cse5 .cse6 .cse2 .cse7 .cse8)))) [2021-11-23 16:49:35,132 INFO L854 garLoopResultBuilder]: At program point L144(lines 137 642) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv0 32))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,132 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2021-11-23 16:49:35,133 INFO L858 garLoopResultBuilder]: For program point L575(lines 575 585) no Hoare annotation was computed. [2021-11-23 16:49:35,133 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 385) no Hoare annotation was computed. [2021-11-23 16:49:35,133 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 617) no Hoare annotation was computed. [2021-11-23 16:49:35,133 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 628) no Hoare annotation was computed. [2021-11-23 16:49:35,133 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 639) no Hoare annotation was computed. [2021-11-23 16:49:35,134 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 650) no Hoare annotation was computed. [2021-11-23 16:49:35,134 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 677) no Hoare annotation was computed. [2021-11-23 16:49:35,134 INFO L858 garLoopResultBuilder]: For program point L675-2(lines 675 677) no Hoare annotation was computed. [2021-11-23 16:49:35,134 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 524) no Hoare annotation was computed. [2021-11-23 16:49:35,134 INFO L854 garLoopResultBuilder]: At program point L213(lines 209 618) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv11 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,135 INFO L854 garLoopResultBuilder]: At program point L114(lines 113 650) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,135 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 558) no Hoare annotation was computed. [2021-11-23 16:49:35,135 INFO L858 garLoopResultBuilder]: For program point L578(lines 578 584) no Hoare annotation was computed. [2021-11-23 16:49:35,135 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 446 454) no Hoare annotation was computed. [2021-11-23 16:49:35,136 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 384) no Hoare annotation was computed. [2021-11-23 16:49:35,136 INFO L858 garLoopResultBuilder]: For program point L347-1(lines 347 384) no Hoare annotation was computed. [2021-11-23 16:49:35,136 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 616) no Hoare annotation was computed. [2021-11-23 16:49:35,136 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 627) no Hoare annotation was computed. [2021-11-23 16:49:35,136 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 638) no Hoare annotation was computed. [2021-11-23 16:49:35,137 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 649) no Hoare annotation was computed. [2021-11-23 16:49:35,137 INFO L858 garLoopResultBuilder]: For program point L513(lines 513 523) no Hoare annotation was computed. [2021-11-23 16:49:35,137 INFO L854 garLoopResultBuilder]: At program point L414(lines 405 426) the Hoare annotation is: (let ((.cse6 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse0 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse4 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse2 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse5) (and .cse6 .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse2 .cse4 .cse5 .cse7) (and .cse6 .cse0 .cse1 .cse3 .cse2 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse5 .cse7))) [2021-11-23 16:49:35,137 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 381) no Hoare annotation was computed. [2021-11-23 16:49:35,137 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 325) no Hoare annotation was computed. [2021-11-23 16:49:35,138 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 325) no Hoare annotation was computed. [2021-11-23 16:49:35,138 INFO L861 garLoopResultBuilder]: At program point L216(lines 215 616) the Hoare annotation is: true [2021-11-23 16:49:35,138 INFO L854 garLoopResultBuilder]: At program point L183(lines 179 628) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,138 INFO L854 garLoopResultBuilder]: At program point L150(lines 146 639) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) .cse2) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,139 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 557) no Hoare annotation was computed. [2021-11-23 16:49:35,139 INFO L861 garLoopResultBuilder]: At program point L680(lines 22 682) the Hoare annotation is: true [2021-11-23 16:49:35,139 INFO L854 garLoopResultBuilder]: At program point L614(lines 110 669) the Hoare annotation is: (let ((.cse11 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (let ((.cse10 (= (_ bv8544 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32))) (.cse8 (= (_ bv8528 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse15 (= (_ bv3 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse18 (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse13 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32))) (.cse14 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv12 32))) (.cse12 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse20 (= (_ bv8560 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse17 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32))) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse3 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse9 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse6 (not .cse11)) (.cse16 (= (_ bv8672 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse19 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse8 .cse6) (and .cse1 .cse2 .cse3 .cse10 .cse9 .cse5) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32)) .cse1 .cse2 .cse3 .cse8) (and .cse7 .cse11 .cse12) (and .cse7 .cse2 .cse10) (and .cse1 .cse13 .cse2 .cse3 .cse14 .cse5 .cse15) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse7 (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2) (and .cse0 (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse1 .cse2 .cse3 .cse5 .cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv8 32))) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv11 32)) .cse1 .cse2 .cse3 .cse5 .cse16 .cse6) (and .cse0 .cse17 .cse1 .cse2 .cse3 .cse8 .cse6) (and .cse7 .cse0 .cse2 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 .cse6) (and .cse7 .cse18) (and .cse7 .cse11 .cse15) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv9 32)) .cse5 .cse19 .cse6) (and .cse7 .cse2 .cse20) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv10 32)) .cse18 .cse5 .cse6) (and .cse1 .cse13 .cse2 .cse3 .cse14 .cse12 .cse5) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv7 32)) .cse0 (= (_ bv8592 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse9 .cse5 .cse20) (and .cse0 .cse17 .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse5 .cse6) (and .cse7 .cse16) (and .cse7 .cse11 .cse19)))) [2021-11-23 16:49:35,140 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 583) no Hoare annotation was computed. [2021-11-23 16:49:35,140 INFO L858 garLoopResultBuilder]: For program point L581-2(lines 219 613) no Hoare annotation was computed. [2021-11-23 16:49:35,140 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 452) no Hoare annotation was computed. [2021-11-23 16:49:35,140 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 16:49:35,140 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 616) the Hoare annotation is: true [2021-11-23 16:49:35,141 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 626) no Hoare annotation was computed. [2021-11-23 16:49:35,141 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 637) no Hoare annotation was computed. [2021-11-23 16:49:35,141 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 648) no Hoare annotation was computed. [2021-11-23 16:49:35,141 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-11-23 16:49:35,141 INFO L858 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2021-11-23 16:49:35,142 INFO L858 garLoopResultBuilder]: For program point L516-2(lines 219 613) no Hoare annotation was computed. [2021-11-23 16:49:35,142 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 419) no Hoare annotation was computed. [2021-11-23 16:49:35,142 INFO L858 garLoopResultBuilder]: For program point L483-2(lines 219 613) no Hoare annotation was computed. [2021-11-23 16:49:35,142 INFO L858 garLoopResultBuilder]: For program point L417-2(lines 413 426) no Hoare annotation was computed. [2021-11-23 16:49:35,142 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-11-23 16:49:35,143 INFO L858 garLoopResultBuilder]: For program point L285-2(lines 219 613) no Hoare annotation was computed. [2021-11-23 16:49:35,143 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 556) no Hoare annotation was computed. [2021-11-23 16:49:35,143 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 321) no Hoare annotation was computed. [2021-11-23 16:49:35,143 INFO L858 garLoopResultBuilder]: For program point L319-2(lines 317 325) no Hoare annotation was computed. [2021-11-23 16:49:35,143 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 379) no Hoare annotation was computed. [2021-11-23 16:49:35,144 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2021-11-23 16:49:35,144 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 625) no Hoare annotation was computed. [2021-11-23 16:49:35,144 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 636) no Hoare annotation was computed. [2021-11-23 16:49:35,144 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 647) no Hoare annotation was computed. [2021-11-23 16:49:35,144 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 667) no Hoare annotation was computed. [2021-11-23 16:49:35,144 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 521) no Hoare annotation was computed. [2021-11-23 16:49:35,145 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2021-11-23 16:49:35,145 INFO L854 garLoopResultBuilder]: At program point L222(lines 116 649) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,145 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 626) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv7 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,146 INFO L854 garLoopResultBuilder]: At program point L156(lines 152 637) the Hoare annotation is: (let ((.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse4 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse6 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1) (and .cse2 .cse0 .cse3 .cse1 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse5 .cse6) (and .cse2 .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse1 .cse4 .cse5 .cse6) (and .cse2 .cse0 .cse3 .cse1 .cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse5 .cse6))) [2021-11-23 16:49:35,146 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 666) no Hoare annotation was computed. [2021-11-23 16:49:35,146 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 555) no Hoare annotation was computed. [2021-11-23 16:49:35,146 INFO L854 garLoopResultBuilder]: At program point L520(lines 83 681) the Hoare annotation is: false [2021-11-23 16:49:35,146 INFO L858 garLoopResultBuilder]: For program point L553-2(lines 219 613) no Hoare annotation was computed. [2021-11-23 16:49:35,147 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 16:49:35,147 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 658) no Hoare annotation was computed. [2021-11-23 16:49:35,147 INFO L858 garLoopResultBuilder]: For program point L653-2(lines 652 666) no Hoare annotation was computed. [2021-11-23 16:49:35,147 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 360) no Hoare annotation was computed. [2021-11-23 16:49:35,147 INFO L858 garLoopResultBuilder]: For program point L356-2(lines 356 360) no Hoare annotation was computed. [2021-11-23 16:49:35,148 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 624) no Hoare annotation was computed. [2021-11-23 16:49:35,148 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 635) no Hoare annotation was computed. [2021-11-23 16:49:35,148 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 646) no Hoare annotation was computed. [2021-11-23 16:49:35,148 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-11-23 16:49:35,148 INFO L858 garLoopResultBuilder]: For program point L655(lines 655 657) no Hoare annotation was computed. [2021-11-23 16:49:35,149 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 16:49:35,149 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2021-11-23 16:49:35,149 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 623) no Hoare annotation was computed. [2021-11-23 16:49:35,149 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 634) no Hoare annotation was computed. [2021-11-23 16:49:35,149 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2021-11-23 16:49:35,149 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 645) no Hoare annotation was computed. [2021-11-23 16:49:35,150 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 595) no Hoare annotation was computed. [2021-11-23 16:49:35,150 INFO L858 garLoopResultBuilder]: For program point L591-2(lines 591 595) no Hoare annotation was computed. [2021-11-23 16:49:35,150 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 428) no Hoare annotation was computed. [2021-11-23 16:49:35,150 INFO L854 garLoopResultBuilder]: At program point L195(lines 191 624) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv8 32))) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,151 INFO L854 garLoopResultBuilder]: At program point L162(lines 158 635) the Hoare annotation is: (let ((.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse6 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (.cse0 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse4 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32)))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4 .cse2 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6) (and .cse3 .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse4 .cse2 .cse5 .cse6) (and .cse3 .cse0 .cse1 .cse4 .cse2 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32)) .cse1 .cse4 .cse2 .cse5))) [2021-11-23 16:49:35,151 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2021-11-23 16:49:35,151 INFO L858 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2021-11-23 16:49:35,151 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 462) no Hoare annotation was computed. [2021-11-23 16:49:35,151 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 400) no Hoare annotation was computed. [2021-11-23 16:49:35,152 INFO L858 garLoopResultBuilder]: For program point L460-2(lines 219 613) no Hoare annotation was computed. [2021-11-23 16:49:35,152 INFO L861 garLoopResultBuilder]: At program point L692(lines 683 694) the Hoare annotation is: true [2021-11-23 16:49:35,152 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 622) no Hoare annotation was computed. [2021-11-23 16:49:35,152 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 633) no Hoare annotation was computed. [2021-11-23 16:49:35,152 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 644) no Hoare annotation was computed. [2021-11-23 16:49:35,152 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 16:49:35,153 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 679) no Hoare annotation was computed. [2021-11-23 16:49:35,153 INFO L858 garLoopResultBuilder]: For program point L660(lines 660 664) no Hoare annotation was computed. [2021-11-23 16:49:35,153 INFO L858 garLoopResultBuilder]: For program point L495(lines 495 497) no Hoare annotation was computed. [2021-11-23 16:49:35,153 INFO L858 garLoopResultBuilder]: For program point L495-2(lines 219 613) no Hoare annotation was computed. [2021-11-23 16:49:35,154 INFO L854 garLoopResultBuilder]: At program point L132(lines 128 645) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,154 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-11-23 16:49:35,154 INFO L858 garLoopResultBuilder]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2021-11-23 16:49:35,154 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 375) no Hoare annotation was computed. [2021-11-23 16:49:35,154 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 300) no Hoare annotation was computed. [2021-11-23 16:49:35,155 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2021-11-23 16:49:35,155 INFO L858 garLoopResultBuilder]: For program point L298-2(lines 219 613) no Hoare annotation was computed. [2021-11-23 16:49:35,155 INFO L854 garLoopResultBuilder]: At program point L365(lines 341 386) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8512 32)))) (.cse1 (not (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse3 (= |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1| |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (.cse5 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) (_ bv0 32))) (.cse6 (= (bvadd (_ bv256 32) |ULTIMATE.start_ssl3_accept_~l~0#1|) (_ bv0 32))) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv4 32)) .cse6 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv6 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32)) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv5 32)) .cse6 .cse7))) [2021-11-23 16:49:35,155 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 621) no Hoare annotation was computed. [2021-11-23 16:49:35,155 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 632) no Hoare annotation was computed. [2021-11-23 16:49:35,156 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 643) no Hoare annotation was computed. [2021-11-23 16:49:35,156 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-11-23 16:49:35,156 INFO L858 garLoopResultBuilder]: For program point L101-1(lines 83 681) no Hoare annotation was computed. [2021-11-23 16:49:35,160 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:49:35,162 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 16:49:35,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:49:35 BoogieIcfgContainer [2021-11-23 16:49:35,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 16:49:35,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 16:49:35,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 16:49:35,247 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 16:49:35,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:48:07" (3/4) ... [2021-11-23 16:49:35,252 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 16:49:35,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 16:49:35,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 16:49:35,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 16:49:35,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 16:49:35,474 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/witness.graphml [2021-11-23 16:49:35,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 16:49:35,482 INFO L158 Benchmark]: Toolchain (without parser) took 89717.15ms. Allocated memory was 73.4MB in the beginning and 975.2MB in the end (delta: 901.8MB). Free memory was 53.7MB in the beginning and 345.2MB in the end (delta: -291.5MB). Peak memory consumption was 612.4MB. Max. memory is 16.1GB. [2021-11-23 16:49:35,483 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:49:35,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.83ms. Allocated memory is still 73.4MB. Free memory was 53.5MB in the beginning and 49.6MB in the end (delta: 4.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:49:35,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.51ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 46.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:49:35,487 INFO L158 Benchmark]: Boogie Preprocessor took 87.28ms. Allocated memory is still 73.4MB. Free memory was 46.8MB in the beginning and 44.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:49:35,488 INFO L158 Benchmark]: RCFGBuilder took 994.04ms. Allocated memory is still 73.4MB. Free memory was 44.4MB in the beginning and 38.8MB in the end (delta: 5.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-23 16:49:35,488 INFO L158 Benchmark]: TraceAbstraction took 87802.41ms. Allocated memory was 73.4MB in the beginning and 975.2MB in the end (delta: 901.8MB). Free memory was 38.4MB in the beginning and 360.9MB in the end (delta: -322.5MB). Peak memory consumption was 697.4MB. Max. memory is 16.1GB. [2021-11-23 16:49:35,488 INFO L158 Benchmark]: Witness Printer took 233.95ms. Allocated memory is still 975.2MB. Free memory was 360.9MB in the beginning and 345.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 16:49:35,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.83ms. Allocated memory is still 73.4MB. Free memory was 53.5MB in the beginning and 49.6MB in the end (delta: 4.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.51ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 46.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.28ms. Allocated memory is still 73.4MB. Free memory was 46.8MB in the beginning and 44.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 994.04ms. Allocated memory is still 73.4MB. Free memory was 44.4MB in the beginning and 38.8MB in the end (delta: 5.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 87802.41ms. Allocated memory was 73.4MB in the beginning and 975.2MB in the end (delta: 901.8MB). Free memory was 38.4MB in the beginning and 360.9MB in the end (delta: -322.5MB). Peak memory consumption was 697.4MB. Max. memory is 16.1GB. * Witness Printer took 233.95ms. Allocated memory is still 975.2MB. Free memory was 360.9MB in the beginning and 345.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. 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 - PositiveResult [Line: 679]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 158 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 87.7s, OverallIterations: 37, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4046 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4046 mSDsluCounter, 19515 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7858 mSDsCounter, 731 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3837 IncrementalHoareTripleChecker+Invalid, 4568 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 731 mSolverCounterUnsat, 11657 mSDtfsCounter, 3837 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31517 GetRequests, 31428 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13949occurred in iteration=36, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 37 MinimizatonAttempts, 5683 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 330 NumberOfFragments, 3851 HoareAnnotationTreeSize, 28 FomulaSimplifications, 6018 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 28 FomulaSimplificationsInter, 11991 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 45.8s InterpolantComputationTime, 21141 NumberOfCodeBlocks, 21141 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 31497 ConstructedInterpolants, 0 QuantifiedInterpolants, 38616 SizeOfPredicates, 20 NumberOfNonLiveVariables, 24081 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 65 InterpolantComputations, 35 PerfectInterpolantSequences, 211668/212400 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((blastFlag == 2bv32 && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) || ((((((!(8512bv32 == s__state) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32)) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (((blastFlag == 2bv32 && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && 8528bv32 == s__state)) || ((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && 8528bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && 8544bv32 == s__state) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32)) || ((((blastFlag == 3bv32 && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && 8528bv32 == s__state)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8640bv32) && 8448bv32 == s__state)) || ((blastFlag == 2bv32 && s__hit == 0bv32) && 8544bv32 == s__state)) || ((((((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && s__s3__tmp__next_state___0 == 3bv32) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 12bv32) && ~bvadd64(256bv32, l) == 0bv32) && 3bv32 == s__state)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || ((blastFlag == 2bv32 && 8512bv32 == s__state) && s__hit == 0bv32)) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && 8608bv32 == s__state) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) && blastFlag == 8bv32)) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && blastFlag == 11bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && 8672bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((!(s__s3__tmp__next_state___0 == 8512bv32) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && 8528bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && 8528bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (blastFlag == 2bv32 && 8656bv32 == s__state)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8640bv32) && 3bv32 == s__state)) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 9bv32) && ~bvadd64(256bv32, l) == 0bv32) && 8640bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((blastFlag == 2bv32 && s__hit == 0bv32) && 8560bv32 == s__state)) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 10bv32) && 8656bv32 == s__state) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && s__s3__tmp__next_state___0 == 3bv32) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 12bv32) && 8448bv32 == s__state) && ~bvadd64(256bv32, l) == 0bv32)) || (((((((blastFlag == 7bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && 8592bv32 == s__state) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && 8560bv32 == s__state)) || ((((((!(s__s3__tmp__next_state___0 == 8512bv32) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (blastFlag == 2bv32 && 8672bv32 == s__state)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8640bv32) && 8640bv32 == s__state) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 10bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((blastFlag == 2bv32 && !(8512bv32 == s__state)) && !(8640bv32 == s__state))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) && blastFlag == 8bv32)) || (((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((!(8512bv32 == s__state) && !(8640bv32 == s__state)) && blastFlag == 0bv32)) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (((blastFlag == 2bv32 && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && 8528bv32 == s__state)) || ((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && 8528bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && 8544bv32 == s__state) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32)) || ((((blastFlag == 3bv32 && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && 8528bv32 == s__state)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8640bv32) && 8448bv32 == s__state)) || ((blastFlag == 2bv32 && s__hit == 0bv32) && 8544bv32 == s__state)) || ((((((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && s__s3__tmp__next_state___0 == 3bv32) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 12bv32) && ~bvadd64(256bv32, l) == 0bv32) && 3bv32 == s__state)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || ((blastFlag == 2bv32 && 8512bv32 == s__state) && s__hit == 0bv32)) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && 8608bv32 == s__state) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) && blastFlag == 8bv32)) || (s__state == 8464bv32 && blastFlag == 0bv32)) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && blastFlag == 11bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && 8672bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((!(s__s3__tmp__next_state___0 == 8512bv32) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && 8528bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && 8528bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (blastFlag == 2bv32 && 8656bv32 == s__state)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8640bv32) && 3bv32 == s__state)) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 9bv32) && ~bvadd64(256bv32, l) == 0bv32) && 8640bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((blastFlag == 2bv32 && s__hit == 0bv32) && 8560bv32 == s__state)) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 10bv32) && 8656bv32 == s__state) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && s__s3__tmp__next_state___0 == 3bv32) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 12bv32) && 8448bv32 == s__state) && ~bvadd64(256bv32, l) == 0bv32)) || (((((((blastFlag == 7bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && 8592bv32 == s__state) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && 8560bv32 == s__state)) || ((((((!(s__s3__tmp__next_state___0 == 8512bv32) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (blastFlag == 2bv32 && 8672bv32 == s__state)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8640bv32) && 8640bv32 == s__state) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: (((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (((blastFlag == 2bv32 && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32)) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((!(8512bv32 == s__state) && blastFlag == 3bv32) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32)) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((blastFlag == 2bv32 && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) || ((((((!(8512bv32 == s__state) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32)) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8640bv32) && 8448bv32 == s__state) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && 8448bv32 == s__state) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && 8448bv32 == s__state) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && s__hit == 0bv32) && 8448bv32 == s__state)) || ((((((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && s__s3__tmp__next_state___0 == 3bv32) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 12bv32) && 8448bv32 == s__state) && ~bvadd64(256bv32, l) == 0bv32)) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && 8448bv32 == s__state) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || ((((((((blastFlag == 7bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: (((((blastFlag == 2bv32 && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) || ((((((!(8512bv32 == s__state) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32)) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 11bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((blastFlag == 2bv32 && !(8512bv32 == s__state)) && !(8640bv32 == s__state))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((blastFlag == 2bv32 && !(8640bv32 == s__state)) && s__hit == 0bv32) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((blastFlag == 2bv32 && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) || ((((((!(8512bv32 == s__state) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32)) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((!(8512bv32 == s__state) && blastFlag == 1bv32) && !(8640bv32 == s__state))) || ((((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8512bv32)) && !(8512bv32 == s__state)) && s__hit == 0bv32) || ((blastFlag == 2bv32 && !(8512bv32 == s__state)) && s__s3__tmp__next_state___0 == 8640bv32)) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 9bv32) && ~bvadd64(256bv32, l) == 0bv32) && 8640bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && ~bvadd64(256bv32, l) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((((blastFlag == 2bv32 && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && s__hit == 0bv32) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 4bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && blastFlag == 6bv32) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((((!(s__s3__tmp__next_state___0 == 8512bv32) && !(8512bv32 == s__state)) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) && blastFlag == 5bv32) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (((((!(8512bv32 == s__state) && blastFlag == 3bv32) && !(8640bv32 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && ~bvadd64(256bv32, s__s3__tmp__new_cipher__algorithms) == 0bv32) RESULT: Ultimate proved your program to be correct! [2021-11-23 16:49:35,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929662d2-27f0-4d92-a6f9-8cc625cd8027/bin/utaipan-fb15Y9Yzbl/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 Result: TRUE