./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/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_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:43:43,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:43:43,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:43:43,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:43:43,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:43:43,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:43:43,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:43:43,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:43:43,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:43:43,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:43:43,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:43:43,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:43:43,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:43:43,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:43:43,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:43:43,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:43:43,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:43:43,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:43:43,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:43:43,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:43:43,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:43:43,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:43:43,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:43:43,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:43:43,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:43:43,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:43:43,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:43:43,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:43:43,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:43:43,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:43:43,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:43:43,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:43:43,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:43:43,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:43:43,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:43:43,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:43:43,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:43:43,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:43:43,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:43:43,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:43:43,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:43:43,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-29 05:43:43,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:43:43,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:43:43,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:43:43,397 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:43:43,400 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:43:43,400 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:43:43,401 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:43:43,401 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:43:43,401 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:43:43,401 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:43:43,402 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:43:43,403 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:43:43,403 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:43:43,403 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:43:43,403 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:43:43,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:43:43,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:43:43,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:43:43,405 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:43:43,405 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:43:43,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:43:43,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:43:43,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:43:43,406 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:43:43,406 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:43:43,406 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:43:43,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:43:43,408 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:43:43,408 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:43:43,408 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:43:43,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:43:43,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:43:43,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:43:43,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:43:43,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:43:43,410 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:43:43,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:43:43,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:43:43,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:43:43,410 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_72299c68-037e-4a25-8576-12780fc66d0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 [2021-10-29 05:43:43,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:43:43,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:43:43,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:43:43,739 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:43:43,740 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:43:43,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-10-29 05:43:43,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/data/20f0c3e72/32a302eec6c34fb48a3e8ca67ed5cc05/FLAG78df86351 [2021-10-29 05:43:44,548 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:43:44,549 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-10-29 05:43:44,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/data/20f0c3e72/32a302eec6c34fb48a3e8ca67ed5cc05/FLAG78df86351 [2021-10-29 05:43:44,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/data/20f0c3e72/32a302eec6c34fb48a3e8ca67ed5cc05 [2021-10-29 05:43:44,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:43:44,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:43:44,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:43:44,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:43:44,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:43:44,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:43:44" (1/1) ... [2021-10-29 05:43:44,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749c81cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:44, skipping insertion in model container [2021-10-29 05:43:44,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:43:44" (1/1) ... [2021-10-29 05:43:44,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:43:44,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:43:45,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:43:45,185 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:43:45,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:43:45,252 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:43:45,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45 WrapperNode [2021-10-29 05:43:45,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:43:45,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:43:45,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:43:45,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:43:45,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (1/1) ... [2021-10-29 05:43:45,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (1/1) ... [2021-10-29 05:43:45,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:43:45,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:43:45,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:43:45,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:43:45,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (1/1) ... [2021-10-29 05:43:45,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (1/1) ... [2021-10-29 05:43:45,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (1/1) ... [2021-10-29 05:43:45,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (1/1) ... [2021-10-29 05:43:45,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (1/1) ... [2021-10-29 05:43:45,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (1/1) ... [2021-10-29 05:43:45,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (1/1) ... [2021-10-29 05:43:45,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:43:45,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:43:45,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:43:45,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:43:45,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (1/1) ... [2021-10-29 05:43:45,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:43:45,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:43:45,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:43:45,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:43:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 05:43:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 05:43:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:43:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:43:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:43:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:43:46,086 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:43:46,086 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-29 05:43:46,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:43:46 BoogieIcfgContainer [2021-10-29 05:43:46,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:43:46,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:43:46,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:43:46,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:43:46,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:43:44" (1/3) ... [2021-10-29 05:43:46,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c05d77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:43:46, skipping insertion in model container [2021-10-29 05:43:46,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:43:45" (2/3) ... [2021-10-29 05:43:46,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c05d77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:43:46, skipping insertion in model container [2021-10-29 05:43:46,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:43:46" (3/3) ... [2021-10-29 05:43:46,098 INFO L111 eAbstractionObserver]: Analyzing ICFG cstrpbrk_unsafe.i [2021-10-29 05:43:46,104 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:43:46,104 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2021-10-29 05:43:46,150 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:43:46,157 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 05:43:46,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2021-10-29 05:43:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 53 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 05:43:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 05:43:46,178 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:46,179 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-29 05:43:46,179 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:46,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:46,185 INFO L85 PathProgramCache]: Analyzing trace with hash 186019, now seen corresponding path program 1 times [2021-10-29 05:43:46,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:46,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055556581] [2021-10-29 05:43:46,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:46,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:46,348 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 05:43:46,349 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:43:46,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055556581] [2021-10-29 05:43:46,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055556581] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:43:46,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:43:46,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 05:43:46,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913137135] [2021-10-29 05:43:46,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:43:46,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:46,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:43:46,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:43:46,375 INFO L87 Difference]: Start difference. First operand has 54 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 53 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 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 05:43:46,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:46,441 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2021-10-29 05:43:46,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:43:46,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2021-10-29 05:43:46,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:46,452 INFO L225 Difference]: With dead ends: 50 [2021-10-29 05:43:46,452 INFO L226 Difference]: Without dead ends: 49 [2021-10-29 05:43:46,454 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 05:43:46,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-29 05:43:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-29 05:43:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 26 states have (on average 2.076923076923077) internal successors, (54), 48 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:43:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2021-10-29 05:43:46,488 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 3 [2021-10-29 05:43:46,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:46,488 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2021-10-29 05:43:46,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 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 05:43:46,489 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2021-10-29 05:43:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 05:43:46,489 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:46,490 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-29 05:43:46,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:43:46,490 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:46,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:46,491 INFO L85 PathProgramCache]: Analyzing trace with hash 186020, now seen corresponding path program 1 times [2021-10-29 05:43:46,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:46,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058492199] [2021-10-29 05:43:46,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:46,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:46,571 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 05:43:46,571 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:43:46,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058492199] [2021-10-29 05:43:46,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058492199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:43:46,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:43:46,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:43:46,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619964753] [2021-10-29 05:43:46,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:43:46,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:46,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:43:46,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:43:46,575 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 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 05:43:46,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:46,717 INFO L93 Difference]: Finished difference Result 95 states and 105 transitions. [2021-10-29 05:43:46,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:43:46,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2021-10-29 05:43:46,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:46,719 INFO L225 Difference]: With dead ends: 95 [2021-10-29 05:43:46,720 INFO L226 Difference]: Without dead ends: 95 [2021-10-29 05:43:46,720 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:43:46,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-29 05:43:46,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 53. [2021-10-29 05:43:46,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 30 states have (on average 2.0) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:43:46,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2021-10-29 05:43:46,728 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 3 [2021-10-29 05:43:46,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:46,729 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2021-10-29 05:43:46,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 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 05:43:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2021-10-29 05:43:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 05:43:46,730 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:46,730 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-29 05:43:46,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 05:43:46,731 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:46,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:46,731 INFO L85 PathProgramCache]: Analyzing trace with hash 190431, now seen corresponding path program 1 times [2021-10-29 05:43:46,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:46,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294308620] [2021-10-29 05:43:46,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:46,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:46,790 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 05:43:46,791 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:43:46,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294308620] [2021-10-29 05:43:46,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294308620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:43:46,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:43:46,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 05:43:46,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18961034] [2021-10-29 05:43:46,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:43:46,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:46,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:43:46,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:43:46,794 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 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 05:43:46,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:46,834 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2021-10-29 05:43:46,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:43:46,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2021-10-29 05:43:46,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:46,836 INFO L225 Difference]: With dead ends: 51 [2021-10-29 05:43:46,836 INFO L226 Difference]: Without dead ends: 51 [2021-10-29 05:43:46,836 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 05:43:46,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-29 05:43:46,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-29 05:43:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.9333333333333333) internal successors, (58), 50 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 05:43:46,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2021-10-29 05:43:46,842 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 3 [2021-10-29 05:43:46,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:46,843 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2021-10-29 05:43:46,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 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 05:43:46,843 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2021-10-29 05:43:46,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 05:43:46,844 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:46,844 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2021-10-29 05:43:46,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 05:43:46,845 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:46,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:46,845 INFO L85 PathProgramCache]: Analyzing trace with hash 178889736, now seen corresponding path program 1 times [2021-10-29 05:43:46,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:46,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658574792] [2021-10-29 05:43:46,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:46,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:43:46,929 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:43:46,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658574792] [2021-10-29 05:43:46,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658574792] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 05:43:46,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452564750] [2021-10-29 05:43:46,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:46,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:43:46,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:43:46,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:43:46,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-29 05:43:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:47,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:43:47,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:43:47,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-29 05:43:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:43:47,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:43:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:43:47,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452564750] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:43:47,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1092010079] [2021-10-29 05:43:47,399 INFO L159 IcfgInterpreter]: Started Sifa with 4 locations of interest [2021-10-29 05:43:47,400 INFO L166 IcfgInterpreter]: Building call graph [2021-10-29 05:43:47,404 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-29 05:43:47,417 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-29 05:43:47,417 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-29 05:43:47,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:47,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:47,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-29 05:43:47,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-10-29 05:43:47,488 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_62|], 3=[|v_#valid_80|]} [2021-10-29 05:43:47,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-29 05:43:47,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:43:47,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:43:47,499 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:47,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-10-29 05:43:47,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:47,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:47,509 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:47,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:47,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:47,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-10-29 05:43:47,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:47,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:47,552 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:47,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:47,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-29 05:43:47,571 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:43:47,571 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:114, output treesize:54 [2021-10-29 05:43:47,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:47,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:47,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:47,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-10-29 05:43:47,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-29 05:43:47,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:47,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:47,624 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:47,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:47,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-10-29 05:43:47,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:43:47,649 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:93, output treesize:93 [2021-10-29 05:43:47,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:47,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:47,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:47,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:47,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-10-29 05:43:47,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-10-29 05:43:47,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-10-29 05:43:47,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-10-29 05:43:47,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:47,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:47,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:47,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:47,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-10-29 05:43:47,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-29 05:43:47,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-10-29 05:43:47,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:47,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:47,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:47,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2021-10-29 05:43:47,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:47,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-10-29 05:43:47,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-10-29 05:43:47,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:47,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-10-29 05:43:47,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:43:47,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:43:47,918 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:47,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-29 05:43:47,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:47,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:47,929 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:47,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:47,969 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:47,989 INFO L180 QuantifierPusher]: treesize reduction 71, result has 73.6 percent of original size [2021-10-29 05:43:47,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-10-29 05:43:48,000 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-29 05:43:48,001 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:276, output treesize:205 [2021-10-29 05:43:48,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:48,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:48,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:48,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:48,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:48,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:48,069 INFO L180 QuantifierPusher]: treesize reduction 18, result has 80.0 percent of original size [2021-10-29 05:43:48,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:48,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:48,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:48,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:48,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:48,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:48,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:48,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:48,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:48,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-10-29 05:43:48,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-29 05:43:48,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:48,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:48,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:48,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:48,105 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:48,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:48,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:48,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:48,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-10-29 05:43:48,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:43:48,115 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:64, output treesize:64 [2021-10-29 05:43:48,120 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-29 05:43:48,306 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-29 05:43:48,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-29 05:43:48,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2021-10-29 05:43:48,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099513672] [2021-10-29 05:43:48,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-29 05:43:48,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:48,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-29 05:43:48,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-10-29 05:43:48,309 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 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 05:43:48,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:48,640 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2021-10-29 05:43:48,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:43:48,641 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 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 5 [2021-10-29 05:43:48,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:48,644 INFO L225 Difference]: With dead ends: 131 [2021-10-29 05:43:48,645 INFO L226 Difference]: Without dead ends: 131 [2021-10-29 05:43:48,646 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:43:48,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-29 05:43:48,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 45. [2021-10-29 05:43:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 44 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:43:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2021-10-29 05:43:48,657 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 5 [2021-10-29 05:43:48,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:48,657 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2021-10-29 05:43:48,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 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 05:43:48,658 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-10-29 05:43:48,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:43:48,660 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:48,660 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:43:48,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:43:48,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:43:48,884 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:48,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:48,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1382159429, now seen corresponding path program 1 times [2021-10-29 05:43:48,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:48,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284201087] [2021-10-29 05:43:48,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:48,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:48,968 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 05:43:48,969 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:43:48,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284201087] [2021-10-29 05:43:48,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284201087] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:43:48,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:43:48,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 05:43:48,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298098987] [2021-10-29 05:43:48,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:43:48,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:48,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:43:48,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:43:48,971 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 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 05:43:49,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:49,047 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2021-10-29 05:43:49,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:43:49,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2021-10-29 05:43:49,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:49,050 INFO L225 Difference]: With dead ends: 42 [2021-10-29 05:43:49,050 INFO L226 Difference]: Without dead ends: 42 [2021-10-29 05:43:49,051 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:43:49,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-10-29 05:43:49,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-10-29 05:43:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.8076923076923077) internal successors, (47), 41 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:43:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2021-10-29 05:43:49,063 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 6 [2021-10-29 05:43:49,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:49,063 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2021-10-29 05:43:49,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 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 05:43:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2021-10-29 05:43:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:43:49,064 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:49,064 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:43:49,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-29 05:43:49,065 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:49,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:49,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1382159430, now seen corresponding path program 1 times [2021-10-29 05:43:49,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:49,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487044841] [2021-10-29 05:43:49,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:49,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:49,228 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 05:43:49,229 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:43:49,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487044841] [2021-10-29 05:43:49,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487044841] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:43:49,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:43:49,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-29 05:43:49,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604615787] [2021-10-29 05:43:49,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:43:49,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:49,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:43:49,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:43:49,235 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 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 05:43:49,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:49,554 INFO L93 Difference]: Finished difference Result 221 states and 245 transitions. [2021-10-29 05:43:49,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:43:49,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2021-10-29 05:43:49,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:49,556 INFO L225 Difference]: With dead ends: 221 [2021-10-29 05:43:49,557 INFO L226 Difference]: Without dead ends: 221 [2021-10-29 05:43:49,557 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-29 05:43:49,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-29 05:43:49,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 63. [2021-10-29 05:43:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.8085106382978724) internal successors, (85), 62 states have internal predecessors, (85), 0 states have call successors, (0), 0 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 05:43:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 85 transitions. [2021-10-29 05:43:49,563 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 85 transitions. Word has length 6 [2021-10-29 05:43:49,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:49,563 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 85 transitions. [2021-10-29 05:43:49,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 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 05:43:49,564 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2021-10-29 05:43:49,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 05:43:49,564 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:49,564 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:43:49,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-29 05:43:49,565 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:49,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:49,565 INFO L85 PathProgramCache]: Analyzing trace with hash -614884254, now seen corresponding path program 1 times [2021-10-29 05:43:49,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:49,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847029055] [2021-10-29 05:43:49,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:49,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:43:49,717 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:43:49,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847029055] [2021-10-29 05:43:49,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847029055] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 05:43:49,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921600411] [2021-10-29 05:43:49,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:49,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:43:49,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:43:49,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:43:49,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-29 05:43:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:49,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 05:43:49,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:43:49,827 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-29 05:43:49,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-29 05:43:49,991 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-29 05:43:49,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2021-10-29 05:43:50,010 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-10-29 05:43:50,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 33 [2021-10-29 05:43:50,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:43:50,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:43:50,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2021-10-29 05:43:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:43:50,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921600411] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:43:50,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1806423276] [2021-10-29 05:43:50,466 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-10-29 05:43:50,468 INFO L166 IcfgInterpreter]: Building call graph [2021-10-29 05:43:50,469 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-29 05:43:50,469 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-29 05:43:50,470 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-29 05:43:50,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:50,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-29 05:43:50,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:50,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-10-29 05:43:50,498 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_65|], 3=[|v_#valid_84|]} [2021-10-29 05:43:50,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-29 05:43:50,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:43:50,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:43:50,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:50,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-10-29 05:43:50,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:50,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:50,517 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:50,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-10-29 05:43:50,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:50,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:50,536 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-29 05:43:50,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,547 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:114, output treesize:54 [2021-10-29 05:43:50,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:50,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:50,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:50,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-10-29 05:43:50,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-29 05:43:50,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:50,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:50,578 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-10-29 05:43:50,589 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,590 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:93, output treesize:93 [2021-10-29 05:43:50,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-10-29 05:43:50,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:50,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-10-29 05:43:50,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-10-29 05:43:50,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-10-29 05:43:50,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:50,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:50,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:50,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:50,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:50,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-10-29 05:43:50,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-29 05:43:50,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:50,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:50,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-10-29 05:43:50,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2021-10-29 05:43:50,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-10-29 05:43:50,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-10-29 05:43:50,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-29 05:43:50,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:50,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:50,706 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:50,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-10-29 05:43:50,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:43:50,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:43:50,720 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,733 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,739 INFO L180 QuantifierPusher]: treesize reduction 71, result has 73.6 percent of original size [2021-10-29 05:43:50,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-10-29 05:43:50,742 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-29 05:43:50,743 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:276, output treesize:205 [2021-10-29 05:43:50,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,770 INFO L180 QuantifierPusher]: treesize reduction 18, result has 80.0 percent of original size [2021-10-29 05:43:50,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:50,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:50,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:50,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-10-29 05:43:50,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-29 05:43:50,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:50,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:50,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,796 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-10-29 05:43:50,799 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,799 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:64, output treesize:64 [2021-10-29 05:43:50,805 INFO L180 QuantifierPusher]: treesize reduction 19, result has 86.2 percent of original size [2021-10-29 05:43:50,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-29 05:43:50,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:50,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:43:50,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-29 05:43:50,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-29 05:43:50,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:50,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:50,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:43:50,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-10-29 05:43:50,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-29 05:43:50,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:50,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-10-29 05:43:50,836 INFO L446 ElimStorePlain]: Different costs {1=[|v_#length_66|], 3=[|v_#valid_85|]} [2021-10-29 05:43:50,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:50,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-10-29 05:43:50,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:50,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:50,849 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:50,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-10-29 05:43:50,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:50,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:50,860 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,893 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-10-29 05:43:50,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-10-29 05:43:50,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:50,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:50,897 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,912 INFO L354 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2021-10-29 05:43:50,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 1 [2021-10-29 05:43:50,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:50,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:50,914 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-29 05:43:50,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-29 05:43:50,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-29 05:43:50,924 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:50,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-10-29 05:43:50,935 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-29 05:43:50,935 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:154, output treesize:71 [2021-10-29 05:43:50,942 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.7 percent of original size [2021-10-29 05:43:50,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:50,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:50,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:50,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:50,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:50,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-10-29 05:43:50,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-10-29 05:43:50,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:43:50,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:43:50,966 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:50,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:50,973 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:50,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:50,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:50,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-10-29 05:43:50,987 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-29 05:43:50,987 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:145, output treesize:141 [2021-10-29 05:43:50,991 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-29 05:43:51,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1806423276] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:43:51,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-29 05:43:51,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 4, 4] total 17 [2021-10-29 05:43:51,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072709784] [2021-10-29 05:43:51,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:43:51,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:51,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:43:51,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-10-29 05:43:51,302 INFO L87 Difference]: Start difference. First operand 63 states and 85 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 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 05:43:51,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:51,756 INFO L93 Difference]: Finished difference Result 145 states and 203 transitions. [2021-10-29 05:43:51,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:43:51,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2021-10-29 05:43:51,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:51,757 INFO L225 Difference]: With dead ends: 145 [2021-10-29 05:43:51,758 INFO L226 Difference]: Without dead ends: 145 [2021-10-29 05:43:51,759 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2021-10-29 05:43:51,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-29 05:43:51,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 64. [2021-10-29 05:43:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.8125) internal successors, (87), 63 states have internal predecessors, (87), 0 states have call successors, (0), 0 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 05:43:51,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 87 transitions. [2021-10-29 05:43:51,763 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 87 transitions. Word has length 8 [2021-10-29 05:43:51,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:51,764 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 87 transitions. [2021-10-29 05:43:51,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 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 05:43:51,764 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2021-10-29 05:43:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 05:43:51,765 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:51,765 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:43:51,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:43:51,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-29 05:43:51,981 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:51,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:51,982 INFO L85 PathProgramCache]: Analyzing trace with hash 60127465, now seen corresponding path program 1 times [2021-10-29 05:43:51,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:51,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786321781] [2021-10-29 05:43:51,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:51,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:43:52,018 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:43:52,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786321781] [2021-10-29 05:43:52,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786321781] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:43:52,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:43:52,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 05:43:52,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48273486] [2021-10-29 05:43:52,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:43:52,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:52,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:43:52,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:43:52,020 INFO L87 Difference]: Start difference. First operand 64 states and 87 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 05:43:52,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:52,063 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2021-10-29 05:43:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:43:52,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-10-29 05:43:52,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:52,064 INFO L225 Difference]: With dead ends: 78 [2021-10-29 05:43:52,064 INFO L226 Difference]: Without dead ends: 78 [2021-10-29 05:43:52,065 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:43:52,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-29 05:43:52,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 61. [2021-10-29 05:43:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.6875) internal successors, (81), 60 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:43:52,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2021-10-29 05:43:52,077 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 9 [2021-10-29 05:43:52,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:52,077 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2021-10-29 05:43:52,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 05:43:52,078 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2021-10-29 05:43:52,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 05:43:52,079 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:52,079 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:43:52,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-29 05:43:52,079 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:52,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:52,080 INFO L85 PathProgramCache]: Analyzing trace with hash 60127466, now seen corresponding path program 1 times [2021-10-29 05:43:52,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:52,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677988714] [2021-10-29 05:43:52,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:52,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:52,165 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 05:43:52,166 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:43:52,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677988714] [2021-10-29 05:43:52,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677988714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:43:52,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:43:52,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-29 05:43:52,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549820214] [2021-10-29 05:43:52,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:43:52,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:52,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:43:52,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:43:52,169 INFO L87 Difference]: Start difference. First operand 61 states and 81 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 05:43:52,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:52,247 INFO L93 Difference]: Finished difference Result 100 states and 130 transitions. [2021-10-29 05:43:52,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:43:52,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-10-29 05:43:52,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:52,249 INFO L225 Difference]: With dead ends: 100 [2021-10-29 05:43:52,249 INFO L226 Difference]: Without dead ends: 100 [2021-10-29 05:43:52,249 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:43:52,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-10-29 05:43:52,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 71. [2021-10-29 05:43:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 58 states have (on average 1.6379310344827587) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 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 05:43:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 95 transitions. [2021-10-29 05:43:52,253 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 95 transitions. Word has length 9 [2021-10-29 05:43:52,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:52,253 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 95 transitions. [2021-10-29 05:43:52,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 05:43:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2021-10-29 05:43:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 05:43:52,254 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:52,254 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:43:52,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-29 05:43:52,254 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:52,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:52,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1702037113, now seen corresponding path program 1 times [2021-10-29 05:43:52,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:52,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929988213] [2021-10-29 05:43:52,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:52,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:52,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 05:43:52,367 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:43:52,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929988213] [2021-10-29 05:43:52,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929988213] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 05:43:52,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773799273] [2021-10-29 05:43:52,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:52,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:43:52,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:43:52,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:43:52,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-29 05:43:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:43:52,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 05:43:52,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:43:52,501 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-29 05:43:52,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-29 05:43:52,660 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-29 05:43:52,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2021-10-29 05:43:52,680 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-10-29 05:43:52,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 33 [2021-10-29 05:43:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 05:43:52,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:43:52,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2021-10-29 05:43:53,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 05:43:53,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773799273] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:43:53,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1823465058] [2021-10-29 05:43:53,143 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-10-29 05:43:53,143 INFO L166 IcfgInterpreter]: Building call graph [2021-10-29 05:43:53,144 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-29 05:43:53,144 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-29 05:43:53,144 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-29 05:43:53,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:53,165 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-29 05:43:53,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-10-29 05:43:53,172 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_69|], 3=[|v_#valid_89|]} [2021-10-29 05:43:53,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-29 05:43:53,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:43:53,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:43:53,181 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-29 05:43:53,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:43:53,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:43:53,190 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:53,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-10-29 05:43:53,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,213 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:53,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2021-10-29 05:43:53,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,226 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-10-29 05:43:53,234 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-10-29 05:43:53,234 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:114, output treesize:106 [2021-10-29 05:43:53,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:53,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:53,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:53,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-10-29 05:43:53,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-29 05:43:53,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:53,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:53,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-29 05:43:53,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:53,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:53,264 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-10-29 05:43:53,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,276 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:184, output treesize:93 [2021-10-29 05:43:53,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,296 INFO L180 QuantifierPusher]: treesize reduction 18, result has 80.0 percent of original size [2021-10-29 05:43:53,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:53,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:53,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:53,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-10-29 05:43:53,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-29 05:43:53,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:53,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:53,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-10-29 05:43:53,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,321 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:64, output treesize:64 [2021-10-29 05:43:53,327 INFO L180 QuantifierPusher]: treesize reduction 19, result has 86.2 percent of original size [2021-10-29 05:43:53,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-29 05:43:53,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-29 05:43:53,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:53,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:43:53,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-29 05:43:53,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-29 05:43:53,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:53,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:43:53,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-10-29 05:43:53,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:53,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-10-29 05:43:53,356 INFO L446 ElimStorePlain]: Different costs {1=[|v_#length_70|], 3=[|v_#valid_90|]} [2021-10-29 05:43:53,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:53,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-10-29 05:43:53,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:53,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:53,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:53,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-10-29 05:43:53,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:53,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:43:53,384 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,389 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,416 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-10-29 05:43:53,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-10-29 05:43:53,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:53,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:53,421 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,449 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-10-29 05:43:53,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-10-29 05:43:53,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:53,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:53,462 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-29 05:43:53,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-29 05:43:53,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-29 05:43:53,480 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-29 05:43:53,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-29 05:43:53,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-29 05:43:53,489 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-10-29 05:43:53,503 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-10-29 05:43:53,503 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:154, output treesize:140 [2021-10-29 05:43:53,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-10-29 05:43:53,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:53,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:53,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-10-29 05:43:53,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-10-29 05:43:53,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-10-29 05:43:53,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:53,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,582 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:53,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,585 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:53,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-10-29 05:43:53,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-10-29 05:43:53,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-10-29 05:43:53,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:53,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:53,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-29 05:43:53,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:53,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-29 05:43:53,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-10-29 05:43:53,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-10-29 05:43:53,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-10-29 05:43:53,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-29 05:43:53,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:53,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:53,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-10-29 05:43:53,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:43:53,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:43:53,686 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-10-29 05:43:53,696 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-29 05:43:53,696 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:218, output treesize:110 [2021-10-29 05:43:53,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,716 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.0 percent of original size [2021-10-29 05:43:53,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-10-29 05:43:53,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-10-29 05:43:53,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-10-29 05:43:53,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-10-29 05:43:53,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:53,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:53,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-10-29 05:43:53,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-10-29 05:43:53,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-10-29 05:43:53,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-10-29 05:43:53,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 289 [2021-10-29 05:43:53,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:53,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:53,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-10-29 05:43:53,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-10-29 05:43:53,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-10-29 05:43:53,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:53,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:53,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-29 05:43:53,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:53,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:53,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-29 05:43:53,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-10-29 05:43:53,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-10-29 05:43:53,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:53,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:53,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-10-29 05:43:53,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-10-29 05:43:53,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:53,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-10-29 05:43:53,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-10-29 05:43:53,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:53,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:53,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-10-29 05:43:53,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-10-29 05:43:53,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-29 05:43:53,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:53,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-29 05:43:53,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-10-29 05:43:53,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:43:53,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:43:53,973 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:43:53,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2021-10-29 05:43:53,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-10-29 05:43:53,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:53,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-10-29 05:43:53,988 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:53,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:53,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,003 INFO L180 QuantifierPusher]: treesize reduction 18, result has 92.8 percent of original size [2021-10-29 05:43:54,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,006 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-10-29 05:43:54,011 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-10-29 05:43:54,011 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:364, output treesize:239 [2021-10-29 05:43:54,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:54,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:54,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:54,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-10-29 05:43:54,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-29 05:43:54,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:54,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:54,036 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:54,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-10-29 05:43:54,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:43:54,040 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:40 [2021-10-29 05:43:54,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-10-29 05:43:54,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-10-29 05:43:54,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-29 05:43:54,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-10-29 05:43:54,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-29 05:43:54,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:54,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-29 05:43:54,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:54,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-10-29 05:43:54,058 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:43:54,058 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:40 [2021-10-29 05:43:54,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-10-29 05:43:54,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:54,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:54,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:54,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:54,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:43:54,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:43:54,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-29 05:43:54,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-29 05:43:54,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-10-29 05:43:54,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-10-29 05:43:54,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-10-29 05:43:54,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-10-29 05:43:54,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-10-29 05:43:54,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 266 [2021-10-29 05:43:54,162 INFO L354 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2021-10-29 05:43:54,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 33 [2021-10-29 05:43:54,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-10-29 05:43:54,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-29 05:43:54,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-29 05:43:54,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:54,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-10-29 05:43:54,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:43:54,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:43:54,186 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:54,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-10-29 05:43:54,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:43:54,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:43:54,199 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-29 05:43:54,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:43:54,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:43:54,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:43:54,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:43:54,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 399 [2021-10-29 05:43:54,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2021-10-29 05:43:54,241 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:402, output treesize:395 [2021-10-29 05:43:54,246 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-29 05:43:54,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-29 05:43:54,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-29 05:43:54,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2021-10-29 05:43:54,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915273503] [2021-10-29 05:43:54,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-29 05:43:54,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:43:54,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-29 05:43:54,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-29 05:43:54,807 INFO L87 Difference]: Start difference. First operand 71 states and 95 transitions. Second operand has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:43:56,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:43:56,449 INFO L93 Difference]: Finished difference Result 237 states and 275 transitions. [2021-10-29 05:43:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-29 05:43:56,450 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-29 05:43:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:43:56,451 INFO L225 Difference]: With dead ends: 237 [2021-10-29 05:43:56,452 INFO L226 Difference]: Without dead ends: 237 [2021-10-29 05:43:56,453 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=251, Invalid=1471, Unknown=0, NotChecked=0, Total=1722 [2021-10-29 05:43:56,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2021-10-29 05:43:56,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 98. [2021-10-29 05:43:56,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 86 states have (on average 1.6046511627906976) internal successors, (138), 97 states have internal predecessors, (138), 0 states have call successors, (0), 0 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 05:43:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 138 transitions. [2021-10-29 05:43:56,461 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 138 transitions. Word has length 10 [2021-10-29 05:43:56,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:43:56,462 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 138 transitions. [2021-10-29 05:43:56,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:43:56,462 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 138 transitions. [2021-10-29 05:43:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 05:43:56,463 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:43:56,463 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:43:56,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:43:56,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-10-29 05:43:56,685 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2021-10-29 05:43:56,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:43:56,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1863868084, now seen corresponding path program 1 times [2021-10-29 05:43:56,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:43:56,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163271434] [2021-10-29 05:43:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:43:56,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:43:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:43:56,708 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:43:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:43:56,764 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 05:43:56,764 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:43:56,765 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr18REQUIRES_VIOLATION [2021-10-29 05:43:56,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-29 05:43:56,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-29 05:43:56,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-29 05:43:56,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-29 05:43:56,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-29 05:43:56,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-29 05:43:56,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-29 05:43:56,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-29 05:43:56,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-29 05:43:56,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-29 05:43:56,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-29 05:43:56,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-29 05:43:56,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-29 05:43:56,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-29 05:43:56,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATION [2021-10-29 05:43:56,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-29 05:43:56,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATION [2021-10-29 05:43:56,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATION [2021-10-29 05:43:56,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATION [2021-10-29 05:43:56,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 05:43:56,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 05:43:56,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 05:43:56,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 05:43:56,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 05:43:56,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 05:43:56,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK [2021-10-29 05:43:56,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-10-29 05:43:56,775 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:43:56,779 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:43:56,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:43:56 BoogieIcfgContainer [2021-10-29 05:43:56,820 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:43:56,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:43:56,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:43:56,821 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:43:56,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:43:46" (3/4) ... [2021-10-29 05:43:56,823 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:43:56,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:43:56,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:43:56,883 INFO L168 Benchmark]: Toolchain (without parser) took 12070.49 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 90.6 MB in the beginning and 96.1 MB in the end (delta: -5.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:56,883 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:43:56,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.51 ms. Allocated memory is still 125.8 MB. Free memory was 90.2 MB in the beginning and 96.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:56,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.34 ms. Allocated memory is still 125.8 MB. Free memory was 96.2 MB in the beginning and 94.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:56,884 INFO L168 Benchmark]: Boogie Preprocessor took 27.97 ms. Allocated memory is still 125.8 MB. Free memory was 94.0 MB in the beginning and 92.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:56,884 INFO L168 Benchmark]: RCFGBuilder took 761.03 ms. Allocated memory is still 125.8 MB. Free memory was 92.6 MB in the beginning and 71.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:56,884 INFO L168 Benchmark]: TraceAbstraction took 10728.84 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 71.6 MB in the beginning and 98.2 MB in the end (delta: -26.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:43:56,884 INFO L168 Benchmark]: Witness Printer took 61.91 ms. Allocated memory is still 151.0 MB. Free memory was 98.2 MB in the beginning and 96.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:43:56,886 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.51 ms. Allocated memory is still 125.8 MB. Free memory was 90.2 MB in the beginning and 96.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.34 ms. Allocated memory is still 125.8 MB. Free memory was 96.2 MB in the beginning and 94.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.97 ms. Allocated memory is still 125.8 MB. Free memory was 94.0 MB in the beginning and 92.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 761.03 ms. Allocated memory is still 125.8 MB. Free memory was 92.6 MB in the beginning and 71.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10728.84 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 71.6 MB in the beginning and 98.2 MB in the end (delta: -26.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 61.91 ms. Allocated memory is still 151.0 MB. Free memory was 98.2 MB in the beginning and 96.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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: 548]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L515] int length = __VERIFIER_nondet_int(); [L516] COND TRUE length < 1 [L517] length = 1 [L519] char* nondetString = (char*) malloc(length * sizeof(char)); [L521] int i = 0; [L521] COND FALSE !(i < length - 1) [L527] nondetString[length-1] = '\0' [L528] return nondetString; [L546] char* s1 = build_nondet_String(); [L515] int length = __VERIFIER_nondet_int(); [L516] COND FALSE !(length < 1) [L519] char* nondetString = (char*) malloc(length * sizeof(char)); [L521] int i = 0; [L521] COND FALSE !(i < length - 1) [L527] nondetString[length-1] = '\0' [L528] return nondetString; [L547] char* s2 = build_nondet_String(); [L532] const char *sc1; [L533] const char *s; [L534] int c; [L535] sc1 = s1 [L535] EXPR \read(*sc1) [L535] COND FALSE !(*sc1 != '\0') [L543] return 0; - UnprovableResult [Line: 523]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 523]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 523]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 523]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 537]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 537]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 538]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 538]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 538]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 538]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 545]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 54 locations, 27 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 371 SDtfs, 1527 SDslu, 869 SDs, 0 SdLazy, 1557 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=10, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 552 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 92 ConstructedInterpolants, 8 QuantifiedInterpolants, 1176 SizeOfPredicates, 23 NumberOfNonLiveVariables, 223 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 4/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME[ms]: 525, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 6, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 449, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 444, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 132, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 29, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 50, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 254, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 254, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 0, PATH_EXPR_TIME[ms]: 1, REGEX_TO_DAG_TIME[ms]: 0, DAG_COMPRESSION_TIME[ms]: 6, DAG_COMPRESSION_PROCESSED_NODES: 47, DAG_COMPRESSION_RETAINED_NODES: 23, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-29 05:43:56,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72299c68-037e-4a25-8576-12780fc66d0c/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...