./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/brs2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH --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 fc354f47e1cc26b26f82415b2113a1e937a24cebf9ecb225fe7f6242be1c8136 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:52:07,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:52:07,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:52:07,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:52:07,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:52:07,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:52:07,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:52:07,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:52:07,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:52:07,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:52:07,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:52:07,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:52:07,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:52:07,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:52:07,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:52:07,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:52:07,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:52:07,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:52:07,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:52:07,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:52:07,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:52:07,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:52:07,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:52:07,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:52:07,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:52:07,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:52:07,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:52:07,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:52:07,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:52:07,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:52:07,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:52:07,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:52:07,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:52:07,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:52:07,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:52:07,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:52:07,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:52:07,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:52:07,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:52:07,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:52:07,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:52:07,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:52:07,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:52:07,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:52:07,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:52:07,341 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:52:07,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:52:07,341 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:52:07,342 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:52:07,342 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:52:07,342 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:52:07,342 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:52:07,343 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:52:07,344 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:52:07,344 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:52:07,344 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:52:07,345 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:52:07,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:52:07,346 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:52:07,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:52:07,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:52:07,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:52:07,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:52:07,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:52:07,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:52:07,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:52:07,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:52:07,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:52:07,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:52:07,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:52:07,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:52:07,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:52:07,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:52:07,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:52:07,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:52:07,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:52:07,352 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:52:07,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:52:07,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:52:07,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:52:07,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:52:07,353 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_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc354f47e1cc26b26f82415b2113a1e937a24cebf9ecb225fe7f6242be1c8136 [2021-11-03 03:52:07,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:52:07,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:52:07,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:52:07,780 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:52:07,781 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:52:07,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-fpi/brs2.c [2021-11-03 03:52:07,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/data/95f1510a3/a699e0403f2d44fbab3508c107a2a6e9/FLAG615919839 [2021-11-03 03:52:08,445 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:52:08,446 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/sv-benchmarks/c/array-fpi/brs2.c [2021-11-03 03:52:08,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/data/95f1510a3/a699e0403f2d44fbab3508c107a2a6e9/FLAG615919839 [2021-11-03 03:52:08,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/data/95f1510a3/a699e0403f2d44fbab3508c107a2a6e9 [2021-11-03 03:52:08,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:52:08,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:52:08,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:52:08,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:52:08,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:52:08,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:52:08" (1/1) ... [2021-11-03 03:52:08,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3010f584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:08, skipping insertion in model container [2021-11-03 03:52:08,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:52:08" (1/1) ... [2021-11-03 03:52:08,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:52:08,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:52:09,022 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_5efa1227-410e-44b8-9bea-02986c6e57c6/sv-benchmarks/c/array-fpi/brs2.c[587,600] [2021-11-03 03:52:09,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:52:09,052 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:52:09,075 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_5efa1227-410e-44b8-9bea-02986c6e57c6/sv-benchmarks/c/array-fpi/brs2.c[587,600] [2021-11-03 03:52:09,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:52:09,104 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:52:09,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09 WrapperNode [2021-11-03 03:52:09,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:52:09,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:52:09,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:52:09,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:52:09,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (1/1) ... [2021-11-03 03:52:09,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (1/1) ... [2021-11-03 03:52:09,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:52:09,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:52:09,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:52:09,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:52:09,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (1/1) ... [2021-11-03 03:52:09,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (1/1) ... [2021-11-03 03:52:09,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (1/1) ... [2021-11-03 03:52:09,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (1/1) ... [2021-11-03 03:52:09,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (1/1) ... [2021-11-03 03:52:09,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (1/1) ... [2021-11-03 03:52:09,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (1/1) ... [2021-11-03 03:52:09,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:52:09,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:52:09,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:52:09,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:52:09,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (1/1) ... [2021-11-03 03:52:09,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:52:09,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:09,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:52:09,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:52:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 03:52:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:52:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 03:52:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:52:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:52:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:52:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 03:52:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:52:09,833 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:52:09,834 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-03 03:52:09,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:52:09 BoogieIcfgContainer [2021-11-03 03:52:09,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:52:09,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:52:09,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:52:09,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:52:09,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:52:08" (1/3) ... [2021-11-03 03:52:09,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e386000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:52:09, skipping insertion in model container [2021-11-03 03:52:09,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:09" (2/3) ... [2021-11-03 03:52:09,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e386000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:52:09, skipping insertion in model container [2021-11-03 03:52:09,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:52:09" (3/3) ... [2021-11-03 03:52:09,849 INFO L111 eAbstractionObserver]: Analyzing ICFG brs2.c [2021-11-03 03:52:09,855 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:52:09,856 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:52:09,912 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:52:09,920 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 [2021-11-03 03:52:09,921 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 03:52:09,937 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) [2021-11-03 03:52:09,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-03 03:52:09,944 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:09,945 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-03 03:52:09,945 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:09,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:09,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1448994786, now seen corresponding path program 1 times [2021-11-03 03:52:09,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:09,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930259869] [2021-11-03 03:52:09,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:09,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:10,178 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:10,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930259869] [2021-11-03 03:52:10,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930259869] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:52:10,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:52:10,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 03:52:10,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718822870] [2021-11-03 03:52:10,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:52:10,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:52:10,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:52:10,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:52:10,208 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) [2021-11-03 03:52:10,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:10,260 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-03 03:52:10,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:52:10,263 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 [2021-11-03 03:52:10,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:10,273 INFO L225 Difference]: With dead ends: 18 [2021-11-03 03:52:10,273 INFO L226 Difference]: Without dead ends: 8 [2021-11-03 03:52:10,277 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 [2021-11-03 03:52:10,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-03 03:52:10,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-03 03:52:10,309 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) [2021-11-03 03:52:10,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-03 03:52:10,312 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2021-11-03 03:52:10,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:10,313 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-03 03:52:10,313 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) [2021-11-03 03:52:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-03 03:52:10,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 03:52:10,314 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:10,315 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:52:10,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 03:52:10,315 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:10,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:10,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1973441861, now seen corresponding path program 1 times [2021-11-03 03:52:10,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:10,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290357040] [2021-11-03 03:52:10,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:10,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 03:52:10,480 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:10,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290357040] [2021-11-03 03:52:10,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290357040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:52:10,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:52:10,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 03:52:10,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925020370] [2021-11-03 03:52:10,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:52:10,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:52:10,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:52:10,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:52:10,489 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) [2021-11-03 03:52:10,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:10,517 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-11-03 03:52:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:52:10,517 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 [2021-11-03 03:52:10,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:10,518 INFO L225 Difference]: With dead ends: 12 [2021-11-03 03:52:10,519 INFO L226 Difference]: Without dead ends: 9 [2021-11-03 03:52:10,520 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 [2021-11-03 03:52:10,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-03 03:52:10,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-03 03:52:10,524 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) [2021-11-03 03:52:10,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-11-03 03:52:10,526 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 7 [2021-11-03 03:52:10,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:10,526 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-03 03:52:10,527 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) [2021-11-03 03:52:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-03 03:52:10,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 03:52:10,528 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:10,529 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:52:10,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 03:52:10,532 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:10,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:10,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1046873979, now seen corresponding path program 1 times [2021-11-03 03:52:10,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:10,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52446379] [2021-11-03 03:52:10,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:10,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 03:52:10,739 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:10,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52446379] [2021-11-03 03:52:10,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52446379] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:52:10,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517329215] [2021-11-03 03:52:10,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:10,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:10,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:10,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:52:10,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 03:52:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:10,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:52:10,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:10,986 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 [2021-11-03 03:52:11,099 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 [2021-11-03 03:52:11,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 03:52:11,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:11,379 INFO L354 Elim1Store]: treesize reduction 48, result has 64.2 percent of original size [2021-11-03 03:52:11,380 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 [2021-11-03 03:52:11,803 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:11,804 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 [2021-11-03 03:52:11,858 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:11,863 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 [2021-11-03 03:52:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 03:52:11,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517329215] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:11,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2045276528] [2021-11-03 03:52:12,022 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:52:12,023 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:52:12,028 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:52:12,034 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:52:12,035 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:52:12,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:12,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:12,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:12,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:12,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:52:12,149 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_20|]} [2021-11-03 03:52:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,164 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 [2021-11-03 03:52:12,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:12,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:12,167 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:12,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:12,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,263 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 [2021-11-03 03:52:12,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:12,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:12,278 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:12,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:12,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:52:12,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:12,357 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:52:12,372 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:52:12,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:12,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:52:12,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:12,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:52:12,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:52:12,398 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_18|], 28=[|v_#valid_21|]} [2021-11-03 03:52:12,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:12,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:12,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:12,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:12,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,456 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:52:12,457 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 [2021-11-03 03:52:12,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:52:12,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:52:12,467 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:12,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:12,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,546 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 [2021-11-03 03:52:12,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:52:12,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:52:12,565 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:12,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:12,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,608 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:52:12,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:52:12,625 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:12,625 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:52:12,660 INFO L180 QuantifierPusher]: treesize reduction 58, result has 82.1 percent of original size [2021-11-03 03:52:12,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:12,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 03:52:12,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-11-03 03:52:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:12,743 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 [2021-11-03 03:52:12,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:12,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:12,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:12,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:12,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:12,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 03:52:12,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:12,785 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:224, output treesize:220 [2021-11-03 03:52:12,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:12,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:12,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,014 INFO L180 QuantifierPusher]: treesize reduction 58, result has 90.6 percent of original size [2021-11-03 03:52:13,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:52:13,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:52:13,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 468 [2021-11-03 03:52:13,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:52:13,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,147 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:52:13,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:52:13,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 468 [2021-11-03 03:52:13,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:52:13,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 918 [2021-11-03 03:52:13,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 483 [2021-11-03 03:52:13,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 568 [2021-11-03 03:52:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,350 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 [2021-11-03 03:52:13,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:52:13,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:52:13,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:13,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:13,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:13,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:13,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:13,506 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 [2021-11-03 03:52:13,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:52:13,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:52:13,523 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:13,544 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:13,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:13,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:13,549 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:13,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,663 INFO L180 QuantifierPusher]: treesize reduction 126, result has 80.2 percent of original size [2021-11-03 03:52:13,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 511 [2021-11-03 03:52:13,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:13,673 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1289, output treesize:511 [2021-11-03 03:52:13,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,840 INFO L180 QuantifierPusher]: treesize reduction 106, result has 50.5 percent of original size [2021-11-03 03:52:13,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:13,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:13,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 03:52:13,859 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 [2021-11-03 03:52:13,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:13,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:13,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:13,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,879 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 [2021-11-03 03:52:13,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:13,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:13,882 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:13,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:52:13,895 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:13,896 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:160 [2021-11-03 03:52:13,903 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:52:13,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:52:13,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:13,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:13,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:52:13,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:52:13,935 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 [2021-11-03 03:52:13,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:13,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:13,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:13,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:13,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:52:13,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:13,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2021-11-03 03:52:13,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,003 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:52:14,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:52:14,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:52:14,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:52:14,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 03:52:14,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:52:14,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:14,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 03:52:14,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 03:52:14,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-03 03:52:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:14,069 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,070 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 [2021-11-03 03:52:14,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:14,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:14,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:14,090 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 [2021-11-03 03:52:14,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:14,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:14,098 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:14,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:14,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:14,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:14,111 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:14,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:14,146 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,155 INFO L180 QuantifierPusher]: treesize reduction 117, result has 55.2 percent of original size [2021-11-03 03:52:14,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:52:14,160 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:14,160 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:423, output treesize:144 [2021-11-03 03:52:14,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:14,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:14,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:14,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:14,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:14,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:14,204 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:52:14,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:14,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:14,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:52:14,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:52:14,221 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_3], 6=[|v_#memory_int_39|]} [2021-11-03 03:52:14,230 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 [2021-11-03 03:52:14,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:14,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:14,233 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:14,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:14,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:14,257 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,258 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 [2021-11-03 03:52:14,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:14,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:14,262 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:14,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:14,273 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:52:14,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:14,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:52:14,279 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:14,280 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:52:14,290 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:52:15,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:52:15,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:52:15,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-03 03:52:15,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029498102] [2021-11-03 03:52:15,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 03:52:15,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:52:15,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 03:52:15,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:52:15,058 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) [2021-11-03 03:52:15,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:15,124 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-11-03 03:52:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:52:15,124 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 [2021-11-03 03:52:15,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:15,125 INFO L225 Difference]: With dead ends: 13 [2021-11-03 03:52:15,125 INFO L226 Difference]: Without dead ends: 10 [2021-11-03 03:52:15,126 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-11-03 03:52:15,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-03 03:52:15,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-03 03:52:15,128 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) [2021-11-03 03:52:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-11-03 03:52:15,129 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 8 [2021-11-03 03:52:15,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:15,130 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-11-03 03:52:15,130 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) [2021-11-03 03:52:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-03 03:52:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 03:52:15,131 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:15,131 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:52:15,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:15,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:15,332 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:15,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:15,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1906926587, now seen corresponding path program 2 times [2021-11-03 03:52:15,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:15,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286962379] [2021-11-03 03:52:15,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:15,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:15,447 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:15,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286962379] [2021-11-03 03:52:15,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286962379] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:52:15,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080798381] [2021-11-03 03:52:15,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:52:15,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:15,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:15,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:52:15,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 03:52:15,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-03 03:52:15,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:52:15,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 03:52:15,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:15,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:15,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:15,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080798381] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:15,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [310959810] [2021-11-03 03:52:15,633 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:52:15,633 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:52:15,634 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:52:15,634 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:52:15,634 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:52:15,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:15,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:15,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:15,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:15,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:52:15,676 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_23|]} [2021-11-03 03:52:15,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,691 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 [2021-11-03 03:52:15,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:15,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:15,694 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:15,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:15,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,728 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 [2021-11-03 03:52:15,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:15,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:15,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:15,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:15,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:52:15,749 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:15,749 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:52:15,764 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:52:15,766 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:15,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:52:15,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:15,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:52:15,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:52:15,797 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_21|], 28=[|v_#valid_24|]} [2021-11-03 03:52:15,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:15,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:15,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:15,826 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:15,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,861 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:52:15,861 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 [2021-11-03 03:52:15,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:52:15,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:52:15,869 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:15,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:15,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,909 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 [2021-11-03 03:52:15,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:52:15,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:52:15,915 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:15,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:15,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,932 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:52:15,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:52:15,937 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:15,937 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:52:15,947 INFO L180 QuantifierPusher]: treesize reduction 58, result has 82.1 percent of original size [2021-11-03 03:52:15,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:15,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 03:52:15,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-11-03 03:52:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:15,992 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 [2021-11-03 03:52:15,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:15,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:15,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:15,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:15,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 03:52:16,017 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:16,017 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:224, output treesize:220 [2021-11-03 03:52:16,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,157 INFO L180 QuantifierPusher]: treesize reduction 58, result has 90.6 percent of original size [2021-11-03 03:52:16,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:52:16,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:52:16,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 468 [2021-11-03 03:52:16,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:52:16,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:52:16,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:52:16,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 468 [2021-11-03 03:52:16,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:52:16,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 918 [2021-11-03 03:52:16,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 483 [2021-11-03 03:52:16,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 568 [2021-11-03 03:52:16,380 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:16,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:16,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:16,384 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:16,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,481 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 [2021-11-03 03:52:16,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:52:16,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:52:16,496 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:16,608 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 [2021-11-03 03:52:16,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:52:16,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:52:16,619 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:16,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:16,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:16,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:16,640 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:16,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,702 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,734 INFO L180 QuantifierPusher]: treesize reduction 126, result has 80.2 percent of original size [2021-11-03 03:52:16,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 511 [2021-11-03 03:52:16,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:16,748 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1289, output treesize:511 [2021-11-03 03:52:16,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,873 INFO L180 QuantifierPusher]: treesize reduction 106, result has 50.5 percent of original size [2021-11-03 03:52:16,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:16,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:16,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 03:52:16,897 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 [2021-11-03 03:52:16,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:16,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:16,901 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:16,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,918 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 [2021-11-03 03:52:16,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:16,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:16,921 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:16,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:52:16,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:16,936 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:160 [2021-11-03 03:52:16,946 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:52:16,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:52:16,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:52:16,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:16,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:16,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:52:16,971 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 [2021-11-03 03:52:16,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:16,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:16,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:16,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:16,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:52:16,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:16,982 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2021-11-03 03:52:16,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:16,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:52:17,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,038 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:17,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:52:17,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:52:17,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:52:17,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:52:17,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 03:52:17,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 03:52:17,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 03:52:17,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-03 03:52:17,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:17,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:17,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:17,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:17,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:17,104 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,105 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 [2021-11-03 03:52:17,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:52:17,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:52:17,108 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:17,118 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 [2021-11-03 03:52:17,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:17,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:17,120 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:17,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,145 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,153 INFO L180 QuantifierPusher]: treesize reduction 121, result has 54.3 percent of original size [2021-11-03 03:52:17,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:52:17,156 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:17,156 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:423, output treesize:144 [2021-11-03 03:52:17,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,204 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:52:17,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:17,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:17,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:52:17,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:52:17,215 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_6], 6=[|v_#memory_int_48|]} [2021-11-03 03:52:17,222 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 [2021-11-03 03:52:17,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:17,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:52:17,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:17,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:17,244 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,244 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 [2021-11-03 03:52:17,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:17,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:17,247 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:17,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,256 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:52:17,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:17,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:52:17,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:17,261 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:52:17,268 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:52:17,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:52:17,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:52:17,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-03 03:52:17,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479874805] [2021-11-03 03:52:17,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 03:52:17,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:52:17,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 03:52:17,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:52:17,964 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) [2021-11-03 03:52:18,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:18,026 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2021-11-03 03:52:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 03:52:18,027 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 [2021-11-03 03:52:18,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:18,027 INFO L225 Difference]: With dead ends: 17 [2021-11-03 03:52:18,027 INFO L226 Difference]: Without dead ends: 11 [2021-11-03 03:52:18,028 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-11-03 03:52:18,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-03 03:52:18,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-03 03:52:18,030 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) [2021-11-03 03:52:18,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-11-03 03:52:18,031 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 9 [2021-11-03 03:52:18,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:18,031 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-11-03 03:52:18,031 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) [2021-11-03 03:52:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-03 03:52:18,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 03:52:18,032 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:18,032 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-03 03:52:18,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:18,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-11-03 03:52:18,243 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:18,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:18,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1099829186, now seen corresponding path program 3 times [2021-11-03 03:52:18,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:18,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248870732] [2021-11-03 03:52:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:18,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:18,623 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:18,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248870732] [2021-11-03 03:52:18,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248870732] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:52:18,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986970277] [2021-11-03 03:52:18,624 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 03:52:18,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:18,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:18,630 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:52:18,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efa1227-410e-44b8-9bea-02986c6e57c6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 03:52:18,697 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 03:52:18,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:52:18,699 WARN L261 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-03 03:52:18,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:18,747 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 [2021-11-03 03:52:18,762 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 [2021-11-03 03:52:18,798 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 [2021-11-03 03:52:19,207 INFO L354 Elim1Store]: treesize reduction 57, result has 54.8 percent of original size [2021-11-03 03:52:19,207 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 [2021-11-03 03:52:20,124 INFO L354 Elim1Store]: treesize reduction 140, result has 44.2 percent of original size [2021-11-03 03:52:20,124 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