./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/brs5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 908db381a067cd65920e47aeaa3ff4913a67de2048af6864f01f76e8ca691571 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:44:53,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:44:53,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:44:53,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:44:53,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:44:53,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:44:53,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:44:53,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:44:53,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:44:53,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:44:53,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:44:53,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:44:53,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:44:53,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:44:53,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:44:53,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:44:53,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:44:53,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:44:53,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:44:53,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:44:53,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:44:53,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:44:53,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:44:53,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:44:53,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:44:53,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:44:53,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:44:53,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:44:53,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:44:53,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:44:53,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:44:53,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:44:53,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:44:53,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:44:53,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:44:53,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:44:53,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:44:53,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:44:53,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:44:53,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:44:53,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:44:53,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:44:53,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:44:53,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:44:53,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:44:53,474 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:44:53,474 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:44:53,474 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:44:53,475 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:44:53,475 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:44:53,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:44:53,476 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:44:53,476 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:44:53,476 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:44:53,476 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:44:53,477 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:44:53,477 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:44:53,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:44:53,478 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:44:53,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:44:53,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:44:53,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:44:53,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:44:53,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:44:53,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:44:53,479 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:44:53,480 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:44:53,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:44:53,480 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:44:53,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:44:53,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:44:53,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:44:53,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:44:53,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:44:53,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:44:53,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:44:53,482 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:44:53,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:44:53,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:44:53,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:44:53,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:44:53,483 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_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 908db381a067cd65920e47aeaa3ff4913a67de2048af6864f01f76e8ca691571 [2021-11-07 01:44:53,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:44:53,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:44:53,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:44:53,908 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:44:53,909 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:44:53,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-fpi/brs5.c [2021-11-07 01:44:53,996 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/data/46f149052/69f3dde060eb4bbe8c663e8a0b70eca9/FLAG0054f8d12 [2021-11-07 01:44:54,546 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:44:54,546 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/sv-benchmarks/c/array-fpi/brs5.c [2021-11-07 01:44:54,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/data/46f149052/69f3dde060eb4bbe8c663e8a0b70eca9/FLAG0054f8d12 [2021-11-07 01:44:54,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/data/46f149052/69f3dde060eb4bbe8c663e8a0b70eca9 [2021-11-07 01:44:54,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:44:54,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:44:54,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:44:54,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:44:54,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:44:54,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:44:54" (1/1) ... [2021-11-07 01:44:54,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b83f58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:54, skipping insertion in model container [2021-11-07 01:44:54,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:44:54" (1/1) ... [2021-11-07 01:44:54,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:44:54,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:44:55,160 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/sv-benchmarks/c/array-fpi/brs5.c[587,600] [2021-11-07 01:44:55,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:44:55,189 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:44:55,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/sv-benchmarks/c/array-fpi/brs5.c[587,600] [2021-11-07 01:44:55,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:44:55,223 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:44:55,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55 WrapperNode [2021-11-07 01:44:55,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:44:55,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:44:55,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:44:55,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:44:55,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (1/1) ... [2021-11-07 01:44:55,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (1/1) ... [2021-11-07 01:44:55,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:44:55,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:44:55,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:44:55,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:44:55,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (1/1) ... [2021-11-07 01:44:55,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (1/1) ... [2021-11-07 01:44:55,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (1/1) ... [2021-11-07 01:44:55,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (1/1) ... [2021-11-07 01:44:55,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (1/1) ... [2021-11-07 01:44:55,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (1/1) ... [2021-11-07 01:44:55,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (1/1) ... [2021-11-07 01:44:55,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:44:55,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:44:55,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:44:55,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:44:55,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (1/1) ... [2021-11-07 01:44:55,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:44:55,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:55,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:44:55,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:44:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:44:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:44:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:44:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:44:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:44:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:44:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:44:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:44:55,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:44:55,798 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-07 01:44:55,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:44:55 BoogieIcfgContainer [2021-11-07 01:44:55,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:44:55,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:44:55,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:44:55,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:44:55,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:44:54" (1/3) ... [2021-11-07 01:44:55,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e90a194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:44:55, skipping insertion in model container [2021-11-07 01:44:55,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:55" (2/3) ... [2021-11-07 01:44:55,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e90a194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:44:55, skipping insertion in model container [2021-11-07 01:44:55,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:44:55" (3/3) ... [2021-11-07 01:44:55,809 INFO L111 eAbstractionObserver]: Analyzing ICFG brs5.c [2021-11-07 01:44:55,814 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:44:55,814 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:44:55,860 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:44:55,866 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:44:55,866 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:44:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:55,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:44:55,884 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:55,885 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:44:55,888 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:55,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:55,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1448994786, now seen corresponding path program 1 times [2021-11-07 01:44:55,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:55,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806114012] [2021-11-07 01:44:55,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:55,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:56,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:56,148 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:56,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806114012] [2021-11-07 01:44:56,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806114012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:56,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:56,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:44:56,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492339092] [2021-11-07 01:44:56,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:44:56,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:56,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:44:56,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:44:56,177 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2021-11-07 01:44:56,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:56,217 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-07 01:44:56,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:44:56,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 [2021-11-07 01:44:56,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:56,228 INFO L225 Difference]: With dead ends: 18 [2021-11-07 01:44:56,228 INFO L226 Difference]: Without dead ends: 8 [2021-11-07 01:44:56,231 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:44:56,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-07 01:44:56,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-07 01:44:56,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2021-11-07 01:44:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-07 01:44:56,261 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2021-11-07 01:44:56,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:56,262 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-07 01:44:56,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2021-11-07 01:44:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-07 01:44:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:44:56,263 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:56,263 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:56,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:44:56,264 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:56,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:56,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1973441861, now seen corresponding path program 1 times [2021-11-07 01:44:56,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:56,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142688187] [2021-11-07 01:44:56,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:56,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:44:56,395 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:56,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142688187] [2021-11-07 01:44:56,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142688187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:56,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:56,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:44:56,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751357430] [2021-11-07 01:44:56,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:44:56,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:56,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:44:56,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:44:56,408 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:56,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:56,452 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-11-07 01:44:56,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:44:56,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-11-07 01:44:56,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:56,454 INFO L225 Difference]: With dead ends: 12 [2021-11-07 01:44:56,454 INFO L226 Difference]: Without dead ends: 9 [2021-11-07 01:44:56,455 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:44:56,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-07 01:44:56,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-07 01:44:56,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-11-07 01:44:56,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 7 [2021-11-07 01:44:56,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:56,480 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-07 01:44:56,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:56,481 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-07 01:44:56,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:44:56,481 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:56,481 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:56,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:44:56,482 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:56,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:56,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1046873979, now seen corresponding path program 1 times [2021-11-07 01:44:56,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:56,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562329481] [2021-11-07 01:44:56,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:56,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:44:56,590 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:56,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562329481] [2021-11-07 01:44:56,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562329481] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:44:56,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793576202] [2021-11-07 01:44:56,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:56,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:56,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:56,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:56,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:44:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:56,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:44:56,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:56,767 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 11 treesize of output 7 [2021-11-07 01:44:56,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-11-07 01:44:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:44:56,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:57,123 INFO L354 Elim1Store]: treesize reduction 48, result has 64.2 percent of original size [2021-11-07 01:44:57,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 121 [2021-11-07 01:44:57,497 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 70 [2021-11-07 01:44:57,552 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 77 [2021-11-07 01:44:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:44:57,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793576202] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:57,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1381109009] [2021-11-07 01:44:57,643 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:44:57,643 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:44:57,660 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:44:57,665 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:44:57,666 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:44:57,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:57,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:44:57,706 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:57,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:57,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-07 01:44:57,751 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_20|]} [2021-11-07 01:44:57,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:44:57,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:57,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:57,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:57,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:57,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:44:57,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:57,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:57,827 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:57,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:57,846 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:44:57,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:57,852 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-07 01:44:57,865 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:44:57,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:57,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:57,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:57,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:44:57,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 245 [2021-11-07 01:44:57,884 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_18|], 28=[|v_#valid_21|]} [2021-11-07 01:44:57,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:57,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:57,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:57,899 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:57,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:57,936 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:44:57,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:44:57,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:57,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:57,943 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:57,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:57,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:57,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:44:58,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:44:58,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:44:58,033 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:58,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:58,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-07 01:44:58,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:58,094 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:460, output treesize:218 [2021-11-07 01:44:58,124 INFO L180 QuantifierPusher]: treesize reduction 58, result has 82.4 percent of original size [2021-11-07 01:44:58,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:44:58,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-07 01:44:58,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 112 [2021-11-07 01:44:58,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:44:58,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:44:58,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:58,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:58,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 225 [2021-11-07 01:44:58,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:58,250 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:229, output treesize:225 [2021-11-07 01:44:58,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:58,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:58,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:58,436 INFO L180 QuantifierPusher]: treesize reduction 58, result has 90.8 percent of original size [2021-11-07 01:44:58,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:44:58,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:44:58,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-11-07 01:44:58,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-07 01:44:58,497 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:44:58,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:44:58,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-11-07 01:44:58,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:58,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 552 [2021-11-07 01:44:58,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:58,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 499 [2021-11-07 01:44:58,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 581 [2021-11-07 01:44:58,585 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:58,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:58,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:58,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:58,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:58,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:58,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:58,614 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 127 [2021-11-07 01:44:58,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:44:58,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:44:58,751 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:58,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-07 01:44:58,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-07 01:44:58,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-07 01:44:58,812 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:58,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:58,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:58,895 INFO L180 QuantifierPusher]: treesize reduction 126, result has 80.5 percent of original size [2021-11-07 01:44:58,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 521 [2021-11-07 01:44:58,904 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:58,905 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1309, output treesize:521 [2021-11-07 01:44:58,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:58,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:58,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:58,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,031 INFO L180 QuantifierPusher]: treesize reduction 106, result has 50.5 percent of original size [2021-11-07 01:44:59,035 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:59,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:59,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:44:59,055 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 16 treesize of output 12 [2021-11-07 01:44:59,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:59,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:59,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:59,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,075 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 16 treesize of output 12 [2021-11-07 01:44:59,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:59,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:59,077 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:59,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:44:59,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:59,091 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:160 [2021-11-07 01:44:59,099 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:44:59,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:44:59,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:59,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:44:59,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 01:44:59,134 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 11 treesize of output 7 [2021-11-07 01:44:59,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:44:59,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:44:59,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:59,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:44:59,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:59,145 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2021-11-07 01:44:59,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:59,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:44:59,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:59,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 01:44:59,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:44:59,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:44:59,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:44:59,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 227 [2021-11-07 01:44:59,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 173 [2021-11-07 01:44:59,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-11-07 01:44:59,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:59,252 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-07 01:44:59,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:59,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:59,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:59,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:59,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:59,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:59,268 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:59,281 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 11 treesize of output 7 [2021-11-07 01:44:59,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:44:59,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:44:59,283 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:59,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,318 INFO L180 QuantifierPusher]: treesize reduction 117, result has 55.2 percent of original size [2021-11-07 01:44:59,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:44:59,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:59,321 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:423, output treesize:144 [2021-11-07 01:44:59,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,395 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-07 01:44:59,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:59,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:59,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:44:59,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-07 01:44:59,411 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_3], 6=[|v_#memory_int_39|]} [2021-11-07 01:44:59,418 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 11 treesize of output 7 [2021-11-07 01:44:59,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:44:59,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:44:59,421 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:59,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:59,443 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-07 01:44:59,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:59,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:59,447 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:59,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:59,457 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-07 01:44:59,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:59,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-07 01:44:59,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:59,463 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-07 01:44:59,471 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:45:00,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:45:00,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:45:00,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-07 01:45:00,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414247300] [2021-11-07 01:45:00,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:45:00,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:45:00,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:45:00,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:45:00,169 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 10 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) [2021-11-07 01:45:00,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:45:00,240 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-11-07 01:45:00,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:45:00,240 INFO L78 Accepts]: Start accepts. Automaton has has 10 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 8 [2021-11-07 01:45:00,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:45:00,241 INFO L225 Difference]: With dead ends: 13 [2021-11-07 01:45:00,241 INFO L226 Difference]: Without dead ends: 10 [2021-11-07 01:45:00,242 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:45:00,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-07 01:45:00,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-07 01:45:00,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:00,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-11-07 01:45:00,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 8 [2021-11-07 01:45:00,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:45:00,244 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-11-07 01:45:00,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 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) [2021-11-07 01:45:00,245 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-07 01:45:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 01:45:00,245 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:45:00,245 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:45:00,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 01:45:00,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:45:00,446 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:45:00,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:45:00,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1906926587, now seen corresponding path program 2 times [2021-11-07 01:45:00,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:45:00,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295818932] [2021-11-07 01:45:00,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:00,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:45:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:45:00,544 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:45:00,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295818932] [2021-11-07 01:45:00,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295818932] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:45:00,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666333126] [2021-11-07 01:45:00,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:45:00,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:45:00,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:45:00,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:45:00,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:45:00,619 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:45:00,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:45:00,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:45:00,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:45:00,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:00,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:45:00,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666333126] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:45:00,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1385414902] [2021-11-07 01:45:00,764 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:45:00,769 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:45:00,770 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:45:00,770 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:45:00,771 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:45:00,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,801 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:00,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:45:00,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:00,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:45:00,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-07 01:45:00,809 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_23|]} [2021-11-07 01:45:00,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:45:00,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:45:00,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:45:00,822 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:00,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:00,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:45:00,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:00,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:00,868 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:00,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:00,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:45:00,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:00,879 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-07 01:45:00,888 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:45:00,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:00,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:45:00,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:00,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:45:00,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 245 [2021-11-07 01:45:00,902 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_21|], 28=[|v_#valid_24|]} [2021-11-07 01:45:00,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:45:00,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:00,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:00,914 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:00,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,941 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:45:00,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:45:00,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:45:00,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:45:00,946 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:00,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:00,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:00,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:45:00,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:45:00,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:45:00,989 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:00,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-07 01:45:01,015 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,015 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:460, output treesize:218 [2021-11-07 01:45:01,025 INFO L180 QuantifierPusher]: treesize reduction 58, result has 82.4 percent of original size [2021-11-07 01:45:01,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:45:01,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-07 01:45:01,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 112 [2021-11-07 01:45:01,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:45:01,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:45:01,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 225 [2021-11-07 01:45:01,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:229, output treesize:225 [2021-11-07 01:45:01,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,208 INFO L180 QuantifierPusher]: treesize reduction 58, result has 90.8 percent of original size [2021-11-07 01:45:01,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:45:01,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:45:01,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2021-11-07 01:45:01,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-11-07 01:45:01,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:45:01,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:45:01,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2021-11-07 01:45:01,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-11-07 01:45:01,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 950 [2021-11-07 01:45:01,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 499 [2021-11-07 01:45:01,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 581 [2021-11-07 01:45:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-07 01:45:01,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-07 01:45:01,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-07 01:45:01,466 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,484 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:45:01,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:01,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:01,487 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:45:01,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:01,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:01,518 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 127 [2021-11-07 01:45:01,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:45:01,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:45:01,590 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,675 INFO L180 QuantifierPusher]: treesize reduction 126, result has 80.5 percent of original size [2021-11-07 01:45:01,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 521 [2021-11-07 01:45:01,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:45:01,687 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1309, output treesize:521 [2021-11-07 01:45:01,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,781 INFO L180 QuantifierPusher]: treesize reduction 106, result has 50.5 percent of original size [2021-11-07 01:45:01,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:45:01,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:45:01,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:45:01,798 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 16 treesize of output 12 [2021-11-07 01:45:01,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:45:01,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:45:01,801 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,814 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 16 treesize of output 12 [2021-11-07 01:45:01,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:45:01,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:45:01,816 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:45:01,832 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:45:01,832 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:160 [2021-11-07 01:45:01,840 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:45:01,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:45:01,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:45:01,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:45:01,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 01:45:01,860 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 11 treesize of output 7 [2021-11-07 01:45:01,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:45:01,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:45:01,862 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:45:01,868 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,868 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2021-11-07 01:45:01,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:45:01,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:45:01,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:45:01,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-07 01:45:01,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:45:01,940 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:45:01,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 01:45:01,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:45:01,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-07 01:45:01,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 297 [2021-11-07 01:45:01,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 173 [2021-11-07 01:45:01,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-11-07 01:45:01,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:45:01,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:01,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:01,976 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,983 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 11 treesize of output 7 [2021-11-07 01:45:01,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:45:01,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:45:01,986 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,997 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-07 01:45:01,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:45:01,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:45:02,000 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:02,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:02,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,023 INFO L180 QuantifierPusher]: treesize reduction 121, result has 54.3 percent of original size [2021-11-07 01:45:02,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:45:02,026 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:45:02,027 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:423, output treesize:144 [2021-11-07 01:45:02,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:02,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:02,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:02,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:02,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:02,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:02,067 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-07 01:45:02,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:02,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:45:02,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:02,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:45:02,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-07 01:45:02,077 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_6], 6=[|v_#memory_int_48|]} [2021-11-07 01:45:02,083 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 11 treesize of output 7 [2021-11-07 01:45:02,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:45:02,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:45:02,086 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:02,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:02,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:02,103 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-07 01:45:02,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:02,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:02,106 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:02,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:02,114 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-07 01:45:02,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:02,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-07 01:45:02,118 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:45:02,119 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-07 01:45:02,126 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:45:02,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:45:02,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:45:02,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-07 01:45:02,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255598711] [2021-11-07 01:45:02,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:45:02,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:45:02,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:45:02,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:45:02,822 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:02,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:45:02,870 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2021-11-07 01:45:02,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:45:02,870 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 [2021-11-07 01:45:02,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:45:02,871 INFO L225 Difference]: With dead ends: 17 [2021-11-07 01:45:02,871 INFO L226 Difference]: Without dead ends: 11 [2021-11-07 01:45:02,872 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:45:02,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-07 01:45:02,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-07 01:45:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-11-07 01:45:02,874 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 9 [2021-11-07 01:45:02,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:45:02,875 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-11-07 01:45:02,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-07 01:45:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:45:02,875 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:45:02,875 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-07 01:45:02,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:03,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:45:03,076 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:45:03,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:45:03,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1099829186, now seen corresponding path program 3 times [2021-11-07 01:45:03,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:45:03,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557463627] [2021-11-07 01:45:03,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:03,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:45:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:03,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:45:03,456 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:45:03,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557463627] [2021-11-07 01:45:03,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557463627] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:45:03,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019877128] [2021-11-07 01:45:03,457 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:45:03,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:45:03,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:45:03,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:45:03,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_473a3869-bd00-4317-bc56-afb9963fb6f8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:45:03,523 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:45:03,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:45:03,525 WARN L261 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:45:03,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:03,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 51 [2021-11-07 01:45:03,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-11-07 01:45:03,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-11-07 01:45:03,983 INFO L354 Elim1Store]: treesize reduction 57, result has 54.8 percent of original size [2021-11-07 01:45:03,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 122 [2021-11-07 01:45:04,473 INFO L354 Elim1Store]: treesize reduction 140, result has 44.2 percent of original size [2021-11-07 01:45:04,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 108 treesize of output 181