./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG --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 0055073c7307bfde271bf0837d5fd91b5b3d33c4e57c477b4203569fc3c90bed ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:58:05,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:58:05,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:58:05,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:58:05,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:58:05,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:58:05,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:58:05,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:58:05,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:58:05,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:58:05,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:58:05,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:58:05,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:58:05,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:58:05,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:58:05,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:58:05,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:58:05,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:58:05,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:58:05,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:58:05,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:58:05,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:58:05,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:58:05,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:58:05,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:58:05,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:58:05,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:58:05,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:58:05,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:58:05,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:58:05,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:58:05,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:58:05,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:58:05,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:58:05,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:58:05,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:58:05,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:58:05,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:58:05,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:58:05,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:58:05,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:58:05,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:58:05,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:58:05,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:58:05,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:58:05,389 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:58:05,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:58:05,390 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:58:05,390 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:58:05,390 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:58:05,398 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:58:05,399 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:58:05,400 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:58:05,401 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:58:05,401 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:58:05,401 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:58:05,402 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:58:05,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:58:05,403 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:58:05,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:58:05,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:58:05,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:58:05,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:58:05,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:58:05,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:58:05,405 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:58:05,405 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:58:05,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:58:05,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:58:05,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:58:05,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:58:05,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:58:05,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:58:05,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:58:05,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:58:05,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:58:05,411 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:58:05,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:58:05,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:58:05,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:58:05,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:58:05,413 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_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0055073c7307bfde271bf0837d5fd91b5b3d33c4e57c477b4203569fc3c90bed [2021-10-29 04:58:05,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:58:05,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:58:05,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:58:05,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:58:05,753 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:58:05,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c [2021-10-29 04:58:05,831 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/data/b6abcebd7/16a01fc3be4b40498f7d222275a57991/FLAG23455485f [2021-10-29 04:58:06,429 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:58:06,430 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c [2021-10-29 04:58:06,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/data/b6abcebd7/16a01fc3be4b40498f7d222275a57991/FLAG23455485f [2021-10-29 04:58:06,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/data/b6abcebd7/16a01fc3be4b40498f7d222275a57991 [2021-10-29 04:58:06,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:58:06,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:58:06,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:58:06,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:58:06,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:58:06,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:58:06" (1/1) ... [2021-10-29 04:58:06,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ee74ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:06, skipping insertion in model container [2021-10-29 04:58:06,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:58:06" (1/1) ... [2021-10-29 04:58:06,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:58:06,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:58:07,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c[37752,37765] [2021-10-29 04:58:07,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:58:07,241 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:58:07,338 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c[37752,37765] [2021-10-29 04:58:07,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:58:07,358 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:58:07,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07 WrapperNode [2021-10-29 04:58:07,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:58:07,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:58:07,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:58:07,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:58:07,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (1/1) ... [2021-10-29 04:58:07,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (1/1) ... [2021-10-29 04:58:07,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:58:07,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:58:07,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:58:07,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:58:07,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (1/1) ... [2021-10-29 04:58:07,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (1/1) ... [2021-10-29 04:58:07,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (1/1) ... [2021-10-29 04:58:07,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (1/1) ... [2021-10-29 04:58:07,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (1/1) ... [2021-10-29 04:58:07,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (1/1) ... [2021-10-29 04:58:07,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (1/1) ... [2021-10-29 04:58:07,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:58:07,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:58:07,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:58:07,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:58:07,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (1/1) ... [2021-10-29 04:58:07,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:58:07,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:58:07,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:58:07,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:58:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:58:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:58:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:58:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:58:07,756 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-29 04:58:08,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-29 04:58:08,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-29 04:58:08,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:58:08,827 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:58:08,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:58:08 BoogieIcfgContainer [2021-10-29 04:58:08,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:58:08,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:58:08,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:58:08,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:58:08,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:58:06" (1/3) ... [2021-10-29 04:58:08,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57348633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:58:08, skipping insertion in model container [2021-10-29 04:58:08,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:58:07" (2/3) ... [2021-10-29 04:58:08,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57348633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:58:08, skipping insertion in model container [2021-10-29 04:58:08,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:58:08" (3/3) ... [2021-10-29 04:58:08,841 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2021-10-29 04:58:08,851 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:58:08,852 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 04:58:08,926 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:58:08,933 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 04:58:08,934 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 04:58:08,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 83 states have (on average 1.7590361445783131) internal successors, (146), 84 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:08,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:58:08,962 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:58:08,963 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:58:08,964 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:58:08,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:58:08,971 INFO L85 PathProgramCache]: Analyzing trace with hash 2034919861, now seen corresponding path program 1 times [2021-10-29 04:58:08,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:58:08,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403462373] [2021-10-29 04:58:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:58:08,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:58:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:58:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:58:09,320 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:58:09,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403462373] [2021-10-29 04:58:09,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403462373] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 04:58:09,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:58:09,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 04:58:09,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278746883] [2021-10-29 04:58:09,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:58:09,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:58:09,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:58:09,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:58:09,357 INFO L87 Difference]: Start difference. First operand has 85 states, 83 states have (on average 1.7590361445783131) internal successors, (146), 84 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:09,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:58:09,581 INFO L93 Difference]: Finished difference Result 171 states and 295 transitions. [2021-10-29 04:58:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:58:09,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 04:58:09,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:58:09,597 INFO L225 Difference]: With dead ends: 171 [2021-10-29 04:58:09,597 INFO L226 Difference]: Without dead ends: 84 [2021-10-29 04:58:09,601 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:58:09,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-29 04:58:09,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-10-29 04:58:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 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) [2021-10-29 04:58:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-10-29 04:58:09,661 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 19 [2021-10-29 04:58:09,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:58:09,662 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-10-29 04:58:09,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-10-29 04:58:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:58:09,668 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:58:09,669 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:58:09,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 04:58:09,669 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:58:09,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:58:09,675 INFO L85 PathProgramCache]: Analyzing trace with hash 14304918, now seen corresponding path program 1 times [2021-10-29 04:58:09,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:58:09,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909675596] [2021-10-29 04:58:09,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:58:09,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:58:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:58:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:58:09,786 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:58:09,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909675596] [2021-10-29 04:58:09,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909675596] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 04:58:09,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:58:09,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 04:58:09,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285212789] [2021-10-29 04:58:09,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:58:09,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:58:09,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:58:09,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:58:09,795 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:09,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:58:09,981 INFO L93 Difference]: Finished difference Result 180 states and 263 transitions. [2021-10-29 04:58:09,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:58:09,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-29 04:58:09,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:58:09,989 INFO L225 Difference]: With dead ends: 180 [2021-10-29 04:58:09,989 INFO L226 Difference]: Without dead ends: 99 [2021-10-29 04:58:09,991 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:58:09,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-29 04:58:10,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2021-10-29 04:58:10,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2021-10-29 04:58:10,021 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 28 [2021-10-29 04:58:10,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:58:10,022 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2021-10-29 04:58:10,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2021-10-29 04:58:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:58:10,026 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:58:10,026 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:58:10,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 04:58:10,028 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:58:10,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:58:10,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1796909179, now seen corresponding path program 1 times [2021-10-29 04:58:10,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:58:10,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438004946] [2021-10-29 04:58:10,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:58:10,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:58:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:58:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:58:10,185 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:58:10,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438004946] [2021-10-29 04:58:10,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438004946] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 04:58:10,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:58:10,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 04:58:10,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924118837] [2021-10-29 04:58:10,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:58:10,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:58:10,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:58:10,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:58:10,192 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:10,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:58:10,369 INFO L93 Difference]: Finished difference Result 208 states and 299 transitions. [2021-10-29 04:58:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:58:10,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-29 04:58:10,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:58:10,373 INFO L225 Difference]: With dead ends: 208 [2021-10-29 04:58:10,374 INFO L226 Difference]: Without dead ends: 114 [2021-10-29 04:58:10,378 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:58:10,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-10-29 04:58:10,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2021-10-29 04:58:10,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.3963963963963963) internal successors, (155), 111 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 155 transitions. [2021-10-29 04:58:10,388 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 155 transitions. Word has length 39 [2021-10-29 04:58:10,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:58:10,388 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 155 transitions. [2021-10-29 04:58:10,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:10,389 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2021-10-29 04:58:10,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 04:58:10,398 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:58:10,399 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:58:10,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 04:58:10,400 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:58:10,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:58:10,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1719232952, now seen corresponding path program 1 times [2021-10-29 04:58:10,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:58:10,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298669673] [2021-10-29 04:58:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:58:10,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:58:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:58:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:58:10,566 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:58:10,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298669673] [2021-10-29 04:58:10,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298669673] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 04:58:10,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415128541] [2021-10-29 04:58:10,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:58:10,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:58:10,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:58:10,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 04:58:10,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-29 04:58:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:58:10,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:58:10,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:58:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 04:58:11,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:58:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 04:58:11,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415128541] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:58:11,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-29 04:58:11,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [4] total 9 [2021-10-29 04:58:11,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063543756] [2021-10-29 04:58:11,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:58:11,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:58:11,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:58:11,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:58:11,491 INFO L87 Difference]: Start difference. First operand 112 states and 155 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:11,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:58:11,952 INFO L93 Difference]: Finished difference Result 315 states and 470 transitions. [2021-10-29 04:58:11,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:58:11,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-29 04:58:11,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:58:11,954 INFO L225 Difference]: With dead ends: 315 [2021-10-29 04:58:11,955 INFO L226 Difference]: Without dead ends: 205 [2021-10-29 04:58:11,955 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:58:11,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-10-29 04:58:11,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 187. [2021-10-29 04:58:11,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.3763440860215055) internal successors, (256), 186 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 256 transitions. [2021-10-29 04:58:11,969 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 256 transitions. Word has length 52 [2021-10-29 04:58:11,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:58:11,969 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 256 transitions. [2021-10-29 04:58:11,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:11,970 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 256 transitions. [2021-10-29 04:58:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 04:58:11,971 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:58:11,972 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 4, 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] [2021-10-29 04:58:12,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:58:12,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:58:12,186 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:58:12,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:58:12,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1884195992, now seen corresponding path program 1 times [2021-10-29 04:58:12,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:58:12,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169943981] [2021-10-29 04:58:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:58:12,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:58:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:58:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-29 04:58:12,268 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:58:12,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169943981] [2021-10-29 04:58:12,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169943981] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 04:58:12,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:58:12,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 04:58:12,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888945973] [2021-10-29 04:58:12,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:58:12,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:58:12,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:58:12,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:58:12,275 INFO L87 Difference]: Start difference. First operand 187 states and 256 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:12,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:58:12,437 INFO L93 Difference]: Finished difference Result 392 states and 545 transitions. [2021-10-29 04:58:12,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:58:12,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-29 04:58:12,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:58:12,444 INFO L225 Difference]: With dead ends: 392 [2021-10-29 04:58:12,444 INFO L226 Difference]: Without dead ends: 208 [2021-10-29 04:58:12,445 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:58:12,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-29 04:58:12,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2021-10-29 04:58:12,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.3560975609756099) internal successors, (278), 205 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 278 transitions. [2021-10-29 04:58:12,488 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 278 transitions. Word has length 68 [2021-10-29 04:58:12,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:58:12,489 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 278 transitions. [2021-10-29 04:58:12,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2021-10-29 04:58:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 04:58:12,496 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:58:12,497 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:58:12,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 04:58:12,497 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:58:12,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:58:12,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1071342575, now seen corresponding path program 1 times [2021-10-29 04:58:12,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:58:12,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709441133] [2021-10-29 04:58:12,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:58:12,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:58:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:58:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-29 04:58:12,701 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:58:12,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709441133] [2021-10-29 04:58:12,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709441133] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 04:58:12,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724839736] [2021-10-29 04:58:12,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:58:12,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:58:12,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:58:12,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 04:58:12,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-29 04:58:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:58:12,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:58:12,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:58:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-29 04:58:13,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:58:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 44 proven. 50 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 04:58:13,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724839736] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:58:13,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1187471925] [2021-10-29 04:58:13,758 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2021-10-29 04:58:13,759 INFO L166 IcfgInterpreter]: Building call graph [2021-10-29 04:58:13,764 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-29 04:58:13,771 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-29 04:58:13,772 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-29 04:58:13,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:13,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 04:58:13,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:13,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-29 04:58:13,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 04:58:13,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:13,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 04:58:13,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 436 [2021-10-29 04:58:13,989 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_14|]} [2021-10-29 04:58:14,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-29 04:58:14,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 04:58:14,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 04:58:14,056 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 04:58:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-29 04:58:14,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 04:58:14,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 04:58:14,106 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 04:58:14,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-29 04:58:14,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 04:58:14,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 04:58:14,155 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 04:58:14,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:14,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-29 04:58:14,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 04:58:14,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 04:58:14,536 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-29 04:58:14,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-29 04:58:14,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 04:58:14,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 04:58:14,603 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-10-29 04:58:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 04:58:14,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-29 04:58:14,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 04:58:14,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:14,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 04:58:14,659 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-10-29 04:58:14,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:14,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:15,029 INFO L180 QuantifierPusher]: treesize reduction 18, result has 98.5 percent of original size [2021-10-29 04:58:15,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1146 [2021-10-29 04:58:15,088 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-10-29 04:58:15,091 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:1239, output treesize:1146 [2021-10-29 04:58:15,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:15,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1156 [2021-10-29 04:58:15,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:15,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1203 [2021-10-29 04:58:15,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:15,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1201 [2021-10-29 04:58:15,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:15,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1201 [2021-10-29 04:58:15,819 INFO L180 QuantifierPusher]: treesize reduction 20, result has 98.4 percent of original size [2021-10-29 04:58:15,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 04:58:15,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:15,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1122 [2021-10-29 04:58:16,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1197 [2021-10-29 04:58:16,168 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.5 percent of original size [2021-10-29 04:58:16,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1201 [2021-10-29 04:58:16,266 INFO L180 QuantifierPusher]: treesize reduction 1215, result has 0.1 percent of original size [2021-10-29 04:58:16,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 04:58:16,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:16,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,124 INFO L180 QuantifierPusher]: treesize reduction 96, result has 79.7 percent of original size [2021-10-29 04:58:17,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-10-29 04:58:17,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:17,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-10-29 04:58:17,222 INFO L180 QuantifierPusher]: treesize reduction 47, result has 89.5 percent of original size [2021-10-29 04:58:17,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-10-29 04:58:17,261 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-10-29 04:58:17,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-10-29 04:58:17,307 INFO L180 QuantifierPusher]: treesize reduction 39, result has 90.9 percent of original size [2021-10-29 04:58:17,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-10-29 04:58:17,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:17,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-10-29 04:58:17,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,639 INFO L180 QuantifierPusher]: treesize reduction 31, result has 93.0 percent of original size [2021-10-29 04:58:17,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 392 [2021-10-29 04:58:17,689 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.6 percent of original size [2021-10-29 04:58:17,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 403 [2021-10-29 04:58:17,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:17,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,100 INFO L180 QuantifierPusher]: treesize reduction 23, result has 94.6 percent of original size [2021-10-29 04:58:18,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-10-29 04:58:18,139 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-10-29 04:58:18,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 392 [2021-10-29 04:58:18,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,436 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.2 percent of original size [2021-10-29 04:58:18,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-10-29 04:58:18,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:18,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 375 [2021-10-29 04:58:18,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:18,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 372 [2021-10-29 04:58:18,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:18,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-10-29 04:58:18,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:18,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,437 INFO L180 QuantifierPusher]: treesize reduction 90, result has 80.5 percent of original size [2021-10-29 04:58:19,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-10-29 04:58:19,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:19,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-10-29 04:58:19,524 INFO L180 QuantifierPusher]: treesize reduction 47, result has 89.4 percent of original size [2021-10-29 04:58:19,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-10-29 04:58:19,558 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-10-29 04:58:19,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-10-29 04:58:19,588 INFO L180 QuantifierPusher]: treesize reduction 39, result has 90.7 percent of original size [2021-10-29 04:58:19,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2021-10-29 04:58:19,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:19,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2021-10-29 04:58:19,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:19,855 INFO L180 QuantifierPusher]: treesize reduction 31, result has 92.9 percent of original size [2021-10-29 04:58:19,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-10-29 04:58:19,898 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-10-29 04:58:19,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-10-29 04:58:19,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,206 INFO L180 QuantifierPusher]: treesize reduction 23, result has 94.5 percent of original size [2021-10-29 04:58:20,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-10-29 04:58:20,240 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-10-29 04:58:20,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-10-29 04:58:20,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,521 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.2 percent of original size [2021-10-29 04:58:20,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-10-29 04:58:20,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:20,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-10-29 04:58:20,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:20,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-10-29 04:58:20,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:20,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-10-29 04:58:20,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:20,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,138 INFO L180 QuantifierPusher]: treesize reduction 90, result has 80.5 percent of original size [2021-10-29 04:58:21,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-10-29 04:58:21,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:58:21,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-10-29 04:58:21,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:21,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,024 INFO L180 QuantifierPusher]: treesize reduction 71, result has 83.5 percent of original size [2021-10-29 04:58:22,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 344 [2021-10-29 04:58:22,070 INFO L180 QuantifierPusher]: treesize reduction 79, result has 82.4 percent of original size [2021-10-29 04:58:22,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-10-29 04:58:22,138 INFO L180 QuantifierPusher]: treesize reduction 103, result has 76.8 percent of original size [2021-10-29 04:58:22,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-10-29 04:58:22,177 INFO L180 QuantifierPusher]: treesize reduction 95, result has 79.0 percent of original size [2021-10-29 04:58:22,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-10-29 04:58:22,207 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.3 percent of original size [2021-10-29 04:58:22,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-10-29 04:58:22,243 INFO L180 QuantifierPusher]: treesize reduction 87, result has 79.8 percent of original size [2021-10-29 04:58:22,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 340 [2021-10-29 04:58:22,265 INFO L180 QuantifierPusher]: treesize reduction 51, result has 87.0 percent of original size [2021-10-29 04:58:22,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-10-29 04:58:22,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:58:22,895 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-29 04:58:51,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-29 04:58:51,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-29 04:58:51,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-10-29 04:58:51,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490845315] [2021-10-29 04:58:51,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 04:58:51,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:58:51,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 04:58:51,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1386, Unknown=0, NotChecked=0, Total=1640 [2021-10-29 04:58:51,011 INFO L87 Difference]: Start difference. First operand 206 states and 278 transitions. Second operand has 8 states, 8 states have (on average 15.375) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:51,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:58:51,100 INFO L93 Difference]: Finished difference Result 650 states and 876 transitions. [2021-10-29 04:58:51,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 04:58:51,101 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-10-29 04:58:51,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:58:51,108 INFO L225 Difference]: With dead ends: 650 [2021-10-29 04:58:51,108 INFO L226 Difference]: Without dead ends: 648 [2021-10-29 04:58:51,109 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 212 SyntacticMatches, 10 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 28.1s TimeCoverageRelationStatistics Valid=254, Invalid=1386, Unknown=0, NotChecked=0, Total=1640 [2021-10-29 04:58:51,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2021-10-29 04:58:51,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 329. [2021-10-29 04:58:51,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 328 states have (on average 1.4085365853658536) internal successors, (462), 328 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:51,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 462 transitions. [2021-10-29 04:58:51,132 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 462 transitions. Word has length 86 [2021-10-29 04:58:51,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:58:51,132 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 462 transitions. [2021-10-29 04:58:51,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:58:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 462 transitions. [2021-10-29 04:58:51,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-29 04:58:51,137 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:58:51,137 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:58:51,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-29 04:58:51,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-29 04:58:51,357 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:58:51,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:58:51,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1438370520, now seen corresponding path program 1 times [2021-10-29 04:58:51,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:58:51,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57649890] [2021-10-29 04:58:51,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:58:51,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:58:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:58:51,461 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:58:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:58:51,558 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 04:58:51,558 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 04:58:51,559 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:58:51,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-10-29 04:58:51,564 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:58:51,568 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:58:51,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:58:51 BoogieIcfgContainer [2021-10-29 04:58:51,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:58:51,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:58:51,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:58:51,692 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:58:51,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:58:08" (3/4) ... [2021-10-29 04:58:51,694 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:58:51,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:58:51,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:58:51,783 INFO L168 Benchmark]: Toolchain (without parser) took 45018.14 ms. Allocated memory was 104.9 MB in the beginning and 264.2 MB in the end (delta: 159.4 MB). Free memory was 76.3 MB in the beginning and 181.7 MB in the end (delta: -105.4 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:58:51,783 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory was 62.2 MB in the beginning and 62.1 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:58:51,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.31 ms. Allocated memory is still 104.9 MB. Free memory was 76.1 MB in the beginning and 74.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:58:51,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.37 ms. Allocated memory is still 104.9 MB. Free memory was 74.4 MB in the beginning and 71.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:58:51,784 INFO L168 Benchmark]: Boogie Preprocessor took 48.02 ms. Allocated memory is still 104.9 MB. Free memory was 71.4 MB in the beginning and 69.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:58:51,784 INFO L168 Benchmark]: RCFGBuilder took 1347.07 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 69.3 MB in the beginning and 73.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:58:51,785 INFO L168 Benchmark]: TraceAbstraction took 42859.10 ms. Allocated memory was 125.8 MB in the beginning and 264.2 MB in the end (delta: 138.4 MB). Free memory was 72.3 MB in the beginning and 195.3 MB in the end (delta: -123.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:58:51,785 INFO L168 Benchmark]: Witness Printer took 90.00 ms. Allocated memory is still 264.2 MB. Free memory was 195.3 MB in the beginning and 181.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:58:51,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory was 62.2 MB in the beginning and 62.1 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 593.31 ms. Allocated memory is still 104.9 MB. Free memory was 76.1 MB in the beginning and 74.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.37 ms. Allocated memory is still 104.9 MB. Free memory was 74.4 MB in the beginning and 71.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.02 ms. Allocated memory is still 104.9 MB. Free memory was 71.4 MB in the beginning and 69.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1347.07 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 69.3 MB in the beginning and 73.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 42859.10 ms. Allocated memory was 125.8 MB in the beginning and 264.2 MB in the end (delta: 138.4 MB). Free memory was 72.3 MB in the beginning and 195.3 MB in the end (delta: -123.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * Witness Printer took 90.00 ms. Allocated memory is still 264.2 MB. Free memory was 195.3 MB in the beginning and 181.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 585]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L590] int s ; [L594] s = 12292 [L24] int s__info_callback = __VERIFIER_nondet_int() ; [L25] int s__in_handshake = __VERIFIER_nondet_int() ; [L26] int s__state ; [L27] int s__new_session ; [L28] int s__server ; [L29] int s__version = __VERIFIER_nondet_int() ; [L30] int s__type ; [L31] int s__init_num ; [L32] int s__bbio = __VERIFIER_nondet_int() ; [L33] int s__wbio = __VERIFIER_nondet_int() ; [L34] int s__hit = __VERIFIER_nondet_int() ; [L35] int s__rwstate ; [L36] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L37] int s__debug = __VERIFIER_nondet_int() ; [L38] int s__shutdown ; [L39] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L40] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L41] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L42] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L43] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L44] int s__s3__change_cipher_spec ; [L45] int s__s3__flags = __VERIFIER_nondet_int() ; [L46] int s__s3__delay_buf_pop_ret ; [L47] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L48] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L49] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L50] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L51] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L52] int s__s3__tmp__next_state___0 ; [L53] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L54] int s__session__cipher ; [L55] int s__session__compress_meth ; [L56] int buf ; [L57] unsigned long tmp ; [L58] unsigned long l ; [L59] int num1 = __VERIFIER_nondet_int() ; [L60] int cb ; [L61] int ret ; [L62] int new_state ; [L63] int state ; [L64] int skip ; [L65] int tmp___0 ; [L66] int tmp___1 = __VERIFIER_nondet_int() ; [L67] int tmp___2 = __VERIFIER_nondet_int() ; [L68] int tmp___3 = __VERIFIER_nondet_int() ; [L69] int tmp___4 = __VERIFIER_nondet_int() ; [L70] int tmp___5 = __VERIFIER_nondet_int() ; [L71] int tmp___6 = __VERIFIER_nondet_int() ; [L72] int tmp___7 = __VERIFIER_nondet_int() ; [L73] int tmp___8 = __VERIFIER_nondet_int() ; [L74] int tmp___9 = __VERIFIER_nondet_int() ; [L75] int blastFlag ; [L76] int __cil_tmp55 ; [L77] void *__cil_tmp56 ; [L78] unsigned long __cil_tmp57 ; [L79] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L80] void *__cil_tmp59 ; [L81] unsigned long __cil_tmp60 ; [L82] unsigned long __cil_tmp61 ; [L83] unsigned long __cil_tmp62 ; [L84] unsigned long __cil_tmp63 ; [L85] unsigned long __cil_tmp64 ; [L86] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L87] long __cil_tmp66 ; [L88] long __cil_tmp67 ; [L89] long __cil_tmp68 ; [L90] long __cil_tmp69 ; [L91] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L92] long __cil_tmp71 ; [L93] long __cil_tmp72 ; [L94] long __cil_tmp73 ; [L95] long __cil_tmp74 ; [L99] s__state = initial_state [L100] blastFlag = 0 [L101] tmp = __VERIFIER_nondet_int() [L102] cb = 0 [L103] ret = -1 [L104] skip = 0 [L105] tmp___0 = 0 [L106] COND TRUE s__info_callback != 0 [L107] cb = s__info_callback [L113] s__in_handshake ++ [L114] COND TRUE tmp___1 + 12288 [L115] COND TRUE tmp___2 + 16384 [L120] COND TRUE 1 [L122] state = s__state [L123] COND TRUE s__state == 12292 [L225] s__new_session = 1 [L226] s__state = 4096 [L227] s__ctx__stats__sess_connect_renegotiate ++ [L232] s__server = 0 [L233] COND TRUE cb != 0 [L237] __cil_tmp55 = s__version + 65280 [L238] COND FALSE !(__cil_tmp55 != 768) [L243] s__type = 4096 [L245] __cil_tmp56 = (void *)0 [L246] __cil_tmp57 = (unsigned long )__cil_tmp56 [L247] __cil_tmp58 = (unsigned long )s__init_buf___0 [L248] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L266] COND FALSE !(! tmp___4) [L270] COND FALSE !(! tmp___5) [L274] s__state = 4368 [L275] s__ctx__stats__sess_connect ++ [L276] s__init_num = 0 [L557] COND FALSE !(! s__s3__tmp__reuse_message) [L574] skip = 0 [L120] COND TRUE 1 [L122] state = s__state [L123] COND FALSE !(s__state == 12292) [L126] COND FALSE !(s__state == 16384) [L129] COND FALSE !(s__state == 4096) [L132] COND FALSE !(s__state == 20480) [L135] COND FALSE !(s__state == 4099) [L138] COND TRUE s__state == 4368 [L280] s__shutdown = 0 [L281] ret = __VERIFIER_nondet_int() [L282] COND TRUE blastFlag == 0 [L283] blastFlag = 1 [L285] COND FALSE !(ret <= 0) [L288] s__state = 4384 [L289] s__init_num = 0 [L291] __cil_tmp62 = (unsigned long )s__wbio [L292] __cil_tmp63 = (unsigned long )s__bbio [L293] COND FALSE !(__cil_tmp63 != __cil_tmp62) [L557] COND FALSE !(! s__s3__tmp__reuse_message) [L574] skip = 0 [L120] COND TRUE 1 [L122] state = s__state [L123] COND FALSE !(s__state == 12292) [L126] COND FALSE !(s__state == 16384) [L129] COND FALSE !(s__state == 4096) [L132] COND FALSE !(s__state == 20480) [L135] COND FALSE !(s__state == 4099) [L138] COND FALSE !(s__state == 4368) [L141] COND FALSE !(s__state == 4369) [L144] COND TRUE s__state == 4384 [L300] ret = __VERIFIER_nondet_int() [L301] COND TRUE blastFlag == 1 [L302] blastFlag = 2 [L308] COND FALSE !(ret <= 0) [L311] COND FALSE !(\read(s__hit)) [L314] s__state = 4400 [L316] s__init_num = 0 [L557] COND FALSE !(! s__s3__tmp__reuse_message) [L574] skip = 0 [L120] COND TRUE 1 [L122] state = s__state [L123] COND FALSE !(s__state == 12292) [L126] COND FALSE !(s__state == 16384) [L129] COND FALSE !(s__state == 4096) [L132] COND FALSE !(s__state == 20480) [L135] COND FALSE !(s__state == 4099) [L138] COND FALSE !(s__state == 4368) [L141] COND FALSE !(s__state == 4369) [L144] COND FALSE !(s__state == 4384) [L147] COND FALSE !(s__state == 4385) [L150] COND TRUE s__state == 4400 [L321] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L322] COND FALSE !(__cil_tmp64 + 256UL) [L325] ret = __VERIFIER_nondet_int() [L326] COND TRUE blastFlag == 2 [L327] blastFlag = 3 [L329] COND FALSE !(ret <= 0) [L334] s__state = 4416 [L335] s__init_num = 0 [L557] COND FALSE !(! s__s3__tmp__reuse_message) [L574] skip = 0 [L120] COND TRUE 1 [L122] state = s__state [L123] COND FALSE !(s__state == 12292) [L126] COND FALSE !(s__state == 16384) [L129] COND FALSE !(s__state == 4096) [L132] COND FALSE !(s__state == 20480) [L135] COND FALSE !(s__state == 4099) [L138] COND FALSE !(s__state == 4368) [L141] COND FALSE !(s__state == 4369) [L144] COND FALSE !(s__state == 4384) [L147] COND FALSE !(s__state == 4385) [L150] COND FALSE !(s__state == 4400) [L153] COND FALSE !(s__state == 4401) [L156] COND TRUE s__state == 4416 [L339] ret = __VERIFIER_nondet_int() [L340] COND TRUE blastFlag == 3 [L341] blastFlag = 4 [L343] COND FALSE !(ret <= 0) [L346] s__state = 4432 [L347] s__init_num = 0 [L348] COND FALSE !(! tmp___6) [L557] COND FALSE !(! s__s3__tmp__reuse_message) [L574] skip = 0 [L120] COND TRUE 1 [L122] state = s__state [L123] COND FALSE !(s__state == 12292) [L126] COND FALSE !(s__state == 16384) [L129] COND FALSE !(s__state == 4096) [L132] COND FALSE !(s__state == 20480) [L135] COND FALSE !(s__state == 4099) [L138] COND FALSE !(s__state == 4368) [L141] COND FALSE !(s__state == 4369) [L144] COND FALSE !(s__state == 4384) [L147] COND FALSE !(s__state == 4385) [L150] COND FALSE !(s__state == 4400) [L153] COND FALSE !(s__state == 4401) [L156] COND FALSE !(s__state == 4416) [L159] COND FALSE !(s__state == 4417) [L162] COND TRUE s__state == 4432 [L355] ret = __VERIFIER_nondet_int() [L356] COND TRUE blastFlag == 4 [L585] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.6s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 783 SDtfs, 773 SDslu, 894 SDs, 0 SdLazy, 784 SolverSat, 147 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 318 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 28.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=6, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 343 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 517 NumberOfCodeBlocks, 517 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 558 ConstructedInterpolants, 0 QuantifiedInterpolants, 1657 SizeOfPredicates, 1 NumberOfNonLiveVariables, 508 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 313/550 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:58:51,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49837dca-479c-4b55-8608-44f04461c4a8/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...