./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/array_2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF --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 d1726b0c52a0be10cb8b374bfde8cdbfe3513d4b934203f7e56a3a1bce5e9e5b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:50:11,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:50:11,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:50:11,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:50:11,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:50:11,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:50:11,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:50:11,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:50:11,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:50:11,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:50:11,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:50:11,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:50:11,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:50:11,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:50:11,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:50:11,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:50:11,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:50:11,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:50:11,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:50:11,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:50:11,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:50:11,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:50:11,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:50:11,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:50:11,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:50:11,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:50:11,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:50:11,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:50:11,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:50:11,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:50:11,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:50:11,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:50:11,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:50:11,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:50:11,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:50:11,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:50:11,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:50:11,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:50:11,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:50:11,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:50:11,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:50:11,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:50:11,288 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:50:11,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:50:11,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:50:11,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:50:11,291 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:50:11,292 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:50:11,292 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:50:11,292 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:50:11,292 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:50:11,292 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:50:11,294 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:50:11,294 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:50:11,294 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:50:11,294 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:50:11,295 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:50:11,295 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:50:11,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:50:11,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:50:11,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:50:11,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:50:11,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:50:11,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:50:11,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:50:11,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:50:11,297 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:50:11,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:50:11,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:50:11,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:50:11,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:50:11,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:50:11,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:50:11,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:50:11,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:50:11,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:50:11,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:50:11,302 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:50:11,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:50:11,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:50:11,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:50:11,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:50:11,303 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_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1726b0c52a0be10cb8b374bfde8cdbfe3513d4b934203f7e56a3a1bce5e9e5b [2021-11-12 23:50:11,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:50:11,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:50:11,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:50:11,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:50:11,581 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:50:11,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/loop-acceleration/array_2-1.i [2021-11-12 23:50:11,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/data/018b438ee/fb29cab4b197464ea1375be7c2ec56f1/FLAGcabc1056d [2021-11-12 23:50:12,049 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:50:12,049 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/sv-benchmarks/c/loop-acceleration/array_2-1.i [2021-11-12 23:50:12,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/data/018b438ee/fb29cab4b197464ea1375be7c2ec56f1/FLAGcabc1056d [2021-11-12 23:50:12,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/data/018b438ee/fb29cab4b197464ea1375be7c2ec56f1 [2021-11-12 23:50:12,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:50:12,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:50:12,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:50:12,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:50:12,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:50:12,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49006621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12, skipping insertion in model container [2021-11-12 23:50:12,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:50:12,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:50:12,695 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_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/sv-benchmarks/c/loop-acceleration/array_2-1.i[849,862] [2021-11-12 23:50:12,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:50:12,731 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:50:12,745 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_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/sv-benchmarks/c/loop-acceleration/array_2-1.i[849,862] [2021-11-12 23:50:12,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:50:12,773 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:50:12,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12 WrapperNode [2021-11-12 23:50:12,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:50:12,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:50:12,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:50:12,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:50:12,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:50:12,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:50:12,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:50:12,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:50:12,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:50:12,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:50:12,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:50:12,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:50:12,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (1/1) ... [2021-11-12 23:50:12,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:50:12,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:12,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:50:12,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:50:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:50:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:50:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:50:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:50:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:50:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:50:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:50:13,156 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:50:13,156 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-12 23:50:13,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:50:13 BoogieIcfgContainer [2021-11-12 23:50:13,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:50:13,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:50:13,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:50:13,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:50:13,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:50:12" (1/3) ... [2021-11-12 23:50:13,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539fca8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:50:13, skipping insertion in model container [2021-11-12 23:50:13,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:12" (2/3) ... [2021-11-12 23:50:13,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539fca8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:50:13, skipping insertion in model container [2021-11-12 23:50:13,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:50:13" (3/3) ... [2021-11-12 23:50:13,168 INFO L111 eAbstractionObserver]: Analyzing ICFG array_2-1.i [2021-11-12 23:50:13,173 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:50:13,173 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:50:13,223 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:50:13,231 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 [2021-11-12 23:50:13,231 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:50:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 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) [2021-11-12 23:50:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-12 23:50:13,250 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:13,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-12 23:50:13,251 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:13,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:13,257 INFO L85 PathProgramCache]: Analyzing trace with hash 72740109, now seen corresponding path program 1 times [2021-11-12 23:50:13,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:13,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453374827] [2021-11-12 23:50:13,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:13,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:50:13,458 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:13,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453374827] [2021-11-12 23:50:13,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453374827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:13,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:13,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:50:13,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376371576] [2021-11-12 23:50:13,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:13,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:50:13,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:13,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:50:13,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:50:13,498 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-12 23:50:13,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:13,534 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2021-11-12 23:50:13,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:50:13,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-12 23:50:13,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:13,568 INFO L225 Difference]: With dead ends: 16 [2021-11-12 23:50:13,569 INFO L226 Difference]: Without dead ends: 8 [2021-11-12 23:50:13,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:50:13,575 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.51ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.60ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:13,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 12 Unknown, 0 Unchecked, 0.51ms Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 19.60ms Time] [2021-11-12 23:50:13,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-12 23:50:13,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-12 23:50:13,614 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) [2021-11-12 23:50:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-12 23:50:13,615 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2021-11-12 23:50:13,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:13,616 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-12 23:50:13,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-12 23:50:13,627 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-12 23:50:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:50:13,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:13,628 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:13,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:50:13,628 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:13,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:13,630 INFO L85 PathProgramCache]: Analyzing trace with hash 957045146, now seen corresponding path program 1 times [2021-11-12 23:50:13,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:13,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576149160] [2021-11-12 23:50:13,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:13,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:50:13,685 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:13,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576149160] [2021-11-12 23:50:13,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576149160] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:50:13,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48288473] [2021-11-12 23:50:13,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:13,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:13,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:13,694 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:50:13,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:50:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:13,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:50:13,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:50:13,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:50:13,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48288473] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:50:13,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [608864840] [2021-11-12 23:50:13,873 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-12 23:50:13,873 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:50:13,877 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:50:13,883 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:50:13,886 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:50:13,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:13,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:13,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:13,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:50:13,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:13,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:13,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:50:13,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:50:14,009 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 36=[|v_#valid_25|]} [2021-11-12 23:50:14,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:50:14,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:50:14,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:50:14,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:14,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:14,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,220 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:50:14,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:50:14,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:14,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:14,235 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:14,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:14,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:50:14,291 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:14,293 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-12 23:50:14,316 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-12 23:50:14,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:14,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:14,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:14,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:50:14,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:14,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:14,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:50:14,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-12 23:50:14,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-12 23:50:14,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:50:14,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:50:14,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:14,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:14,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-12 23:50:14,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:14,483 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-12 23:50:14,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:14,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:14,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:14,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,709 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-12 23:50:14,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:14,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-12 23:50:14,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-12 23:50:14,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-12 23:50:14,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:14,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:14,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:14,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:14,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:14,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:14,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:14,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:14,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-12 23:50:14,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-12 23:50:14,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-12 23:50:14,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:14,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:50:14,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:14,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:14,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:14,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:14,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:50:14,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-12 23:50:14,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:14,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-12 23:50:14,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-12 23:50:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-12 23:50:14,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:50:14,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:50:14,971 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:14,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:15,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-12 23:50:15,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-12 23:50:15,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-12 23:50:15,019 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:15,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,097 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-12 23:50:15,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-12 23:50:15,110 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:50:15,110 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-12 23:50:15,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,198 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-12 23:50:15,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:15,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:15,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:15,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:15,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:15,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:15,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:15,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:15,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:15,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:15,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:15,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-12 23:50:15,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:15,274 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:50:15,275 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:50:15,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:15,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:15,278 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:15,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:15,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-12 23:50:15,297 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:15,297 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-12 23:50:15,304 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-12 23:50:15,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:50:15,310 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-12 23:50:15,314 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:15,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:50:15,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:15,338 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:50:15,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-12 23:50:15,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:15,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:15,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:15,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 23:50:15,355 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:15,355 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2021-11-12 23:50:15,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:50:15,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:15,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-12 23:50:15,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-12 23:50:15,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:50:15,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:50:15,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:15,446 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:50:15,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-12 23:50:15,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:15,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:15,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:15,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:15,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:15,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:15,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:15,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:15,484 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-12 23:50:15,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 55 [2021-11-12 23:50:15,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-12 23:50:15,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-12 23:50:15,489 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:15,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,511 INFO L180 QuantifierPusher]: treesize reduction 88, result has 62.1 percent of original size [2021-11-12 23:50:15,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:50:15,513 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:50:15,514 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:240, output treesize:144 [2021-11-12 23:50:15,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,550 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-12 23:50:15,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:15,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:50:15,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:15,572 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:50:15,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-12 23:50:15,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:15,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:15,575 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:15,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:50:15,580 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:15,581 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:50:15,588 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:50:15,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:50:15,873 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:50:15,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-12 23:50:15,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865157699] [2021-11-12 23:50:15,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:50:15,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:50:15,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:15,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:50:15,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:50:15,885 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) [2021-11-12 23:50:15,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:15,931 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. [2021-11-12 23:50:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:50:15,931 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) Word has length 7 [2021-11-12 23:50:15,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:15,932 INFO L225 Difference]: With dead ends: 19 [2021-11-12 23:50:15,932 INFO L226 Difference]: Without dead ends: 14 [2021-11-12 23:50:15,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:50:15,937 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.67ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.21ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:15,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 30 Unknown, 0 Unchecked, 0.67ms Time], IncrementalHoareTripleChecker [11 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 34.21ms Time] [2021-11-12 23:50:15,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-12 23:50:15,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-12 23:50:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 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) [2021-11-12 23:50:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-11-12 23:50:15,946 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2021-11-12 23:50:15,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:15,946 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-11-12 23:50:15,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) [2021-11-12 23:50:15,947 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-11-12 23:50:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:50:15,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:15,948 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1] [2021-11-12 23:50:15,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:16,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-12 23:50:16,162 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:16,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:16,163 INFO L85 PathProgramCache]: Analyzing trace with hash 104061389, now seen corresponding path program 2 times [2021-11-12 23:50:16,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:16,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134873991] [2021-11-12 23:50:16,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:16,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-12 23:50:16,258 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:16,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134873991] [2021-11-12 23:50:16,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134873991] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:50:16,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020123082] [2021-11-12 23:50:16,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:50:16,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:16,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:16,270 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:50:16,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:50:16,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-12 23:50:16,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:50:16,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:50:16,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-12 23:50:16,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:16,460 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-12 23:50:16,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020123082] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:50:16,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1022704576] [2021-11-12 23:50:16,464 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-12 23:50:16,465 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:50:16,465 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:50:16,465 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:50:16,465 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:50:16,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:50:16,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:50:16,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:50:16,479 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 36=[|v_#valid_26|]} [2021-11-12 23:50:16,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:50:16,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:50:16,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:50:16,497 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:16,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,538 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:50:16,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:50:16,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:16,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:16,544 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:16,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:50:16,554 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:16,554 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-12 23:50:16,558 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-12 23:50:16,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:50:16,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:50:16,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,569 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:50:16,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:50:16,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:50:16,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:50:16,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:50:16,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:50:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-12 23:50:16,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:16,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:16,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:16,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-12 23:50:16,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:16,612 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-12 23:50:16,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:16,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:16,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:50:16,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:16,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-12 23:50:16,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-12 23:50:16,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-12 23:50:16,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:16,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:16,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:16,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:16,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:16,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:50:16,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:16,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:16,766 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:50:16,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,772 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:16,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:16,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:16,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:16,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:50:16,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:50:16,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:50:16,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-12 23:50:16,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-12 23:50:16,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-12 23:50:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-12 23:50:16,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:50:16,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:50:16,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-12 23:50:16,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:50:16,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:50:16,867 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:16,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,920 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-12 23:50:16,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-12 23:50:16,928 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:50:16,928 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-12 23:50:16,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,996 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-12 23:50:17,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:17,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:17,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,006 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,007 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:17,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:17,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:17,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:17,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,013 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:17,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:17,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:17,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:17,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:17,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-12 23:50:17,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:17,039 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:50:17,039 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:50:17,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:17,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:17,042 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:17,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,046 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:17,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-12 23:50:17,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:17,055 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-12 23:50:17,059 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-12 23:50:17,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:50:17,063 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-12 23:50:17,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-12 23:50:17,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:50:17,080 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-12 23:50:17,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-12 23:50:17,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:50:17,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:50:17,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:17,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:17,088 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:17,088 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2021-11-12 23:50:17,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:50:17,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:17,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:50:17,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-12 23:50:17,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-12 23:50:17,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-12 23:50:17,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:17,149 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:50:17,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-12 23:50:17,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:17,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:17,153 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:17,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:17,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:17,175 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-12 23:50:17,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 45 [2021-11-12 23:50:17,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:50:17,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:50:17,179 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:17,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,195 INFO L180 QuantifierPusher]: treesize reduction 88, result has 60.4 percent of original size [2021-11-12 23:50:17,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-12 23:50:17,198 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:50:17,198 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:230, output treesize:134 [2021-11-12 23:50:17,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,226 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-12 23:50:17,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:17,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:17,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:50:17,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:17,244 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:50:17,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-12 23:50:17,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:17,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:17,248 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:17,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:17,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:17,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:50:17,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:17,253 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:50:17,258 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:50:17,536 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:50:17,536 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:50:17,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2021-11-12 23:50:17,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868145188] [2021-11-12 23:50:17,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:50:17,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:50:17,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:17,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:50:17,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:50:17,539 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-11-12 23:50:17,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:17,598 INFO L93 Difference]: Finished difference Result 34 states and 47 transitions. [2021-11-12 23:50:17,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-12 23:50:17,599 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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 13 [2021-11-12 23:50:17,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:17,600 INFO L225 Difference]: With dead ends: 34 [2021-11-12 23:50:17,600 INFO L226 Difference]: Without dead ends: 26 [2021-11-12 23:50:17,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:50:17,601 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.08ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.29ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:17,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 59 Unknown, 0 Unchecked, 1.08ms Time], IncrementalHoareTripleChecker [30 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 47.29ms Time] [2021-11-12 23:50:17,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-12 23:50:17,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-12 23:50:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 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) [2021-11-12 23:50:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-11-12 23:50:17,607 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 13 [2021-11-12 23:50:17,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:17,608 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-11-12 23:50:17,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-11-12 23:50:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-11-12 23:50:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-12 23:50:17,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:17,609 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1] [2021-11-12 23:50:17,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:17,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:17,838 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:17,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:17,838 INFO L85 PathProgramCache]: Analyzing trace with hash 777265389, now seen corresponding path program 3 times [2021-11-12 23:50:17,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:17,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029913699] [2021-11-12 23:50:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:17,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:50:18,006 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:18,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029913699] [2021-11-12 23:50:18,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029913699] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:50:18,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054543307] [2021-11-12 23:50:18,006 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:50:18,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:18,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:18,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:50:18,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:50:18,076 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:50:18,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:50:18,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:50:18,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:50:18,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:50:18,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054543307] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:50:18,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [263106555] [2021-11-12 23:50:18,401 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-12 23:50:18,401 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:50:18,401 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:50:18,401 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:50:18,402 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:50:18,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:50:18,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:50:18,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:50:18,420 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 36=[|v_#valid_27|]} [2021-11-12 23:50:18,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:50:18,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:50:18,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:50:18,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:18,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,482 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:50:18,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:50:18,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:18,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:18,488 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:18,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:50:18,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:18,497 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-12 23:50:18,502 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-12 23:50:18,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:50:18,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:50:18,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:50:18,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:50:18,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:50:18,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:50:18,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:50:18,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:50:18,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-12 23:50:18,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:18,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:18,542 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:18,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-12 23:50:18,554 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:18,555 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-12 23:50:18,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:50:18,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:18,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-12 23:50:18,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-12 23:50:18,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-12 23:50:18,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:18,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:18,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:18,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:18,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:18,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:18,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:18,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:18,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,687 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:50:18,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:50:18,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:50:18,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:18,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:50:18,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:18,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:18,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:18,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:18,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:50:18,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-12 23:50:18,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-12 23:50:18,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-12 23:50:18,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-12 23:50:18,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:50:18,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:50:18,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:18,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:18,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-12 23:50:18,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:50:18,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:50:18,807 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:18,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,855 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-12 23:50:18,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-12 23:50:18,868 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:50:18,869 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-12 23:50:18,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,929 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-12 23:50:18,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:18,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:18,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:18,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:18,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:18,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:18,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:18,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:18,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:18,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:18,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:18,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-12 23:50:18,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:18,984 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:50:18,984 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:50:18,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:18,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:18,987 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:18,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:18,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:18,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:18,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:18,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-12 23:50:18,999 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:18,999 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-12 23:50:19,003 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-12 23:50:19,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:50:19,007 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-12 23:50:19,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:19,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:19,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:50:19,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:19,024 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:50:19,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-12 23:50:19,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:19,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:19,028 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:19,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 23:50:19,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:19,032 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2021-11-12 23:50:19,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:19,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:50:19,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:19,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:19,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:19,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:19,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-12 23:50:19,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-12 23:50:19,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:19,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:50:19,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:50:19,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:19,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:19,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:19,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:19,104 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-12 23:50:19,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 55 [2021-11-12 23:50:19,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-12 23:50:19,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-12 23:50:19,108 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:19,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:19,125 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:50:19,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-12 23:50:19,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:19,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:19,128 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:19,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,148 INFO L180 QuantifierPusher]: treesize reduction 88, result has 62.1 percent of original size [2021-11-12 23:50:19,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:50:19,150 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:50:19,150 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:240, output treesize:144 [2021-11-12 23:50:19,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,175 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-12 23:50:19,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:19,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:19,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:50:19,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:19,194 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:50:19,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-12 23:50:19,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:19,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:19,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:19,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:19,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:19,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:50:19,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:19,201 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:50:19,208 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:50:19,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:50:19,503 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:50:19,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2021-11-12 23:50:19,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444704132] [2021-11-12 23:50:19,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:50:19,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-12 23:50:19,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:19,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-12 23:50:19,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=447, Unknown=0, NotChecked=0, Total=756 [2021-11-12 23:50:19,505 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 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) [2021-11-12 23:50:19,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:19,632 INFO L93 Difference]: Finished difference Result 64 states and 89 transitions. [2021-11-12 23:50:19,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-12 23:50:19,633 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 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 25 [2021-11-12 23:50:19,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:19,634 INFO L225 Difference]: With dead ends: 64 [2021-11-12 23:50:19,634 INFO L226 Difference]: Without dead ends: 50 [2021-11-12 23:50:19,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=309, Invalid=447, Unknown=0, NotChecked=0, Total=756 [2021-11-12 23:50:19,636 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.22ms SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.33ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:19,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 136 Unknown, 0 Unchecked, 2.22ms Time], IncrementalHoareTripleChecker [81 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 100.33ms Time] [2021-11-12 23:50:19,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-12 23:50:19,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-11-12 23:50:19,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.0408163265306123) internal successors, (51), 49 states have internal predecessors, (51), 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) [2021-11-12 23:50:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2021-11-12 23:50:19,650 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 25 [2021-11-12 23:50:19,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:19,650 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2021-11-12 23:50:19,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 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) [2021-11-12 23:50:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2021-11-12 23:50:19,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-12 23:50:19,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:19,653 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1] [2021-11-12 23:50:19,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:19,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-11-12 23:50:19,878 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:19,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:19,878 INFO L85 PathProgramCache]: Analyzing trace with hash -787343571, now seen corresponding path program 4 times [2021-11-12 23:50:19,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:19,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589128549] [2021-11-12 23:50:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:19,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-12 23:50:20,276 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:20,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589128549] [2021-11-12 23:50:20,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589128549] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:50:20,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880521732] [2021-11-12 23:50:20,276 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:50:20,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:20,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:20,278 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:50:20,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:50:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:20,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-12 23:50:20,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-12 23:50:20,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-12 23:50:21,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880521732] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:50:21,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2069706235] [2021-11-12 23:50:21,308 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-12 23:50:21,308 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:50:21,309 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:50:21,309 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:50:21,309 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:50:21,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:50:21,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:50:21,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:50:21,328 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 36=[|v_#valid_28|]} [2021-11-12 23:50:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:50:21,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:50:21,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:50:21,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,385 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:50:21,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:50:21,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:21,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:21,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:50:21,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,398 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-12 23:50:21,402 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-12 23:50:21,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:50:21,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:50:21,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:50:21,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:50:21,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:50:21,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:50:21,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:50:21,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:50:21,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-12 23:50:21,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:21,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:21,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-12 23:50:21,445 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,445 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-12 23:50:21,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:21,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:21,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:50:21,523 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:21,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-12 23:50:21,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-12 23:50:21,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-12 23:50:21,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:21,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:21,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:21,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:21,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:21,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:21,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:50:21,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:50:21,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:50:21,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:21,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:21,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,569 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:21,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:50:21,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:21,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:21,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:50:21,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-12 23:50:21,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-12 23:50:21,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-12 23:50:21,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-12 23:50:21,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:50:21,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:50:21,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-12 23:50:21,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:50:21,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:50:21,663 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,707 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-12 23:50:21,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-12 23:50:21,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:50:21,719 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-12 23:50:21,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,765 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-12 23:50:21,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:21,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:21,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:21,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:21,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:21,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:21,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:50:21,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:50:21,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:21,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:50:21,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:50:21,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-12 23:50:21,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:21,803 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:50:21,804 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:50:21,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:21,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:21,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:21,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-12 23:50:21,816 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,816 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-12 23:50:21,820 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-12 23:50:21,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:50:21,824 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-12 23:50:21,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-12 23:50:21,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:50:21,840 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-12 23:50:21,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-12 23:50:21,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:50:21,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:50:21,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:50:21,847 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,847 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2021-11-12 23:50:21,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:50:21,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:50:21,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:21,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-12 23:50:21,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-12 23:50:21,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-12 23:50:21,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:21,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:21,912 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-12 23:50:21,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 45 [2021-11-12 23:50:21,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:50:21,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:50:21,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:21,931 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:50:21,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-12 23:50:21,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:21,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:21,934 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,945 INFO L180 QuantifierPusher]: treesize reduction 88, result has 60.4 percent of original size [2021-11-12 23:50:21,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-12 23:50:21,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:50:21,948 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:230, output treesize:134 [2021-11-12 23:50:21,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,976 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-12 23:50:21,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:21,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:50:21,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:50:21,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:21,993 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-12 23:50:21,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-12 23:50:21,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:21,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:50:21,996 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:21,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:21,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:21,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:22,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:50:22,000 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:22,000 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:50:22,006 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:50:22,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:50:22,298 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:50:22,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2021-11-12 23:50:22,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014965832] [2021-11-12 23:50:22,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:50:22,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-12 23:50:22,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:22,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-12 23:50:22,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1185, Invalid=1467, Unknown=0, NotChecked=0, Total=2652 [2021-11-12 23:50:22,302 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:50:22,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:22,655 INFO L93 Difference]: Finished difference Result 124 states and 173 transitions. [2021-11-12 23:50:22,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-12 23:50:22,658 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-12 23:50:22,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:22,663 INFO L225 Difference]: With dead ends: 124 [2021-11-12 23:50:22,663 INFO L226 Difference]: Without dead ends: 98 [2021-11-12 23:50:22,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1185, Invalid=1467, Unknown=0, NotChecked=0, Total=2652 [2021-11-12 23:50:22,668 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.99ms SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 206.63ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:22,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 350 Unknown, 0 Unchecked, 4.99ms Time], IncrementalHoareTripleChecker [248 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 206.63ms Time] [2021-11-12 23:50:22,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-12 23:50:22,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-11-12 23:50:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.0206185567010309) internal successors, (99), 97 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:50:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2021-11-12 23:50:22,687 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 49 [2021-11-12 23:50:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:22,688 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2021-11-12 23:50:22,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:50:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2021-11-12 23:50:22,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-12 23:50:22,692 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:22,692 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 1, 1, 1, 1, 1] [2021-11-12 23:50:22,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:22,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:22,906 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:22,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:22,906 INFO L85 PathProgramCache]: Analyzing trace with hash 764126125, now seen corresponding path program 5 times [2021-11-12 23:50:22,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:22,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784789324] [2021-11-12 23:50:22,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:22,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2021-11-12 23:50:24,045 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:24,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784789324] [2021-11-12 23:50:24,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784789324] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:50:24,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357060189] [2021-11-12 23:50:24,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:50:24,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:24,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:24,046 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:50:24,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc39257-ebfb-41b1-b0dc-0bdcbebe86a7/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process