./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54df2940ae4d13c219208dbc33c051105041923e87e99fc1d1620ede83e75392 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:37:20,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:37:20,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:37:20,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:37:20,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:37:20,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:37:20,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:37:20,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:37:20,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:37:20,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:37:20,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:37:20,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:37:20,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:37:20,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:37:20,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:37:20,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:37:20,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:37:20,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:37:20,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:37:20,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:37:20,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:37:20,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:37:20,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:37:20,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:37:20,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:37:20,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:37:20,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:37:20,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:37:20,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:37:20,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:37:20,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:37:20,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:37:20,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:37:20,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:37:20,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:37:20,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:37:20,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:37:20,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:37:20,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:37:20,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:37:20,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:37:20,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:37:20,976 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:37:20,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:37:20,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:37:20,978 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:37:20,978 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:37:20,979 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:37:20,979 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:37:20,979 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:37:20,980 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:37:20,980 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:37:20,980 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:37:20,980 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:37:20,981 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:37:20,981 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:37:20,981 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:37:20,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:37:20,982 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:37:20,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:37:20,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:37:20,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:37:20,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:37:20,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:37:20,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:37:20,984 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:37:20,984 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:37:20,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:37:20,984 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:37:20,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:37:20,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:37:20,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:37:20,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:37:20,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:37:20,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:37:20,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:37:20,986 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:37:20,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:37:20,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:37:20,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:37:20,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:37:20,988 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_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54df2940ae4d13c219208dbc33c051105041923e87e99fc1d1620ede83e75392 [2021-11-03 05:37:21,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:37:21,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:37:21,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:37:21,263 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:37:21,264 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:37:21,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c [2021-11-03 05:37:21,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/data/41fa7a2d7/b67403f94ad14f28a40fdae6217597ec/FLAGba8ebaede [2021-11-03 05:37:21,817 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:37:21,818 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c [2021-11-03 05:37:21,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/data/41fa7a2d7/b67403f94ad14f28a40fdae6217597ec/FLAGba8ebaede [2021-11-03 05:37:22,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/data/41fa7a2d7/b67403f94ad14f28a40fdae6217597ec [2021-11-03 05:37:22,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:37:22,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:37:22,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:37:22,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:37:22,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:37:22,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc01892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22, skipping insertion in model container [2021-11-03 05:37:22,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:37:22,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:37:22,411 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_30e9a19a-a20e-4382-8a4a-206a90e68dd1/sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c[424,437] [2021-11-03 05:37:22,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:37:22,438 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:37:22,451 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_30e9a19a-a20e-4382-8a4a-206a90e68dd1/sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c[424,437] [2021-11-03 05:37:22,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:37:22,471 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:37:22,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22 WrapperNode [2021-11-03 05:37:22,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:37:22,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:37:22,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:37:22,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:37:22,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:37:22,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:37:22,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:37:22,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:37:22,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:37:22,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:37:22,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:37:22,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:37:22,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (1/1) ... [2021-11-03 05:37:22,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:37:22,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:22,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:37:22,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:37:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:37:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 05:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:37:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 05:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:37:22,940 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:37:22,940 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-03 05:37:22,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:37:22 BoogieIcfgContainer [2021-11-03 05:37:22,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:37:22,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:37:22,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:37:22,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:37:22,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:37:22" (1/3) ... [2021-11-03 05:37:22,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689b4e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:37:22, skipping insertion in model container [2021-11-03 05:37:22,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:22" (2/3) ... [2021-11-03 05:37:22,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689b4e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:37:22, skipping insertion in model container [2021-11-03 05:37:22,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:37:22" (3/3) ... [2021-11-03 05:37:22,951 INFO L111 eAbstractionObserver]: Analyzing ICFG array_init_both_ends_multiple_sum.c [2021-11-03 05:37:22,956 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:37:22,957 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:37:23,003 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:37:23,010 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:37:23,010 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:37:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:23,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-03 05:37:23,028 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:23,028 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-03 05:37:23,029 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:23,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:23,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1566730996, now seen corresponding path program 1 times [2021-11-03 05:37:23,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:23,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93977987] [2021-11-03 05:37:23,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:23,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:37:23,280 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:23,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93977987] [2021-11-03 05:37:23,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93977987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:37:23,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:37:23,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:37:23,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234995816] [2021-11-03 05:37:23,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:37:23,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:23,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:37:23,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:37:23,314 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:23,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:23,342 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2021-11-03 05:37:23,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:37:23,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-03 05:37:23,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:23,351 INFO L225 Difference]: With dead ends: 17 [2021-11-03 05:37:23,351 INFO L226 Difference]: Without dead ends: 8 [2021-11-03 05:37:23,353 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:37:23,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-03 05:37:23,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-03 05:37:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.4285714285714286) 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) [2021-11-03 05:37:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-11-03 05:37:23,382 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 10 transitions. Word has length 6 [2021-11-03 05:37:23,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:23,383 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-03 05:37:23,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:23,383 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-03 05:37:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 05:37:23,384 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:23,384 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:23,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:37:23,385 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:23,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:23,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1606658421, now seen corresponding path program 1 times [2021-11-03 05:37:23,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:23,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543543070] [2021-11-03 05:37:23,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:23,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 05:37:23,466 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:23,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543543070] [2021-11-03 05:37:23,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543543070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:37:23,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:37:23,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:37:23,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758669155] [2021-11-03 05:37:23,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:37:23,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:23,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:37:23,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:37:23,475 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:23,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:23,520 INFO L93 Difference]: Finished difference Result 14 states and 18 transitions. [2021-11-03 05:37:23,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:37:23,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-03 05:37:23,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:23,522 INFO L225 Difference]: With dead ends: 14 [2021-11-03 05:37:23,547 INFO L226 Difference]: Without dead ends: 10 [2021-11-03 05:37:23,548 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:37:23,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-03 05:37:23,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-03 05:37:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-03 05:37:23,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2021-11-03 05:37:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:23,555 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-03 05:37:23,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-03 05:37:23,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 05:37:23,556 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:23,556 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:23,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 05:37:23,560 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:23,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:23,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2073466838, now seen corresponding path program 1 times [2021-11-03 05:37:23,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:23,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89320238] [2021-11-03 05:37:23,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:23,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:23,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:37:23,692 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:23,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89320238] [2021-11-03 05:37:23,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89320238] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:23,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128860526] [2021-11-03 05:37:23,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:23,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:23,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:23,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:23,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 05:37:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:23,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:37:23,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:23,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:37:23,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:37:23,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128860526] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:23,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1569195444] [2021-11-03 05:37:23,972 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:23,972 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:23,981 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:23,987 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:23,987 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:24,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,031 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:24,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:37:24,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:24,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:37:24,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-03 05:37:24,066 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 55=[|v_#valid_26|]} [2021-11-03 05:37:24,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-03 05:37:24,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:24,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:24,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:24,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,265 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:24,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:37:24,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:24,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:24,278 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:24,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:37:24,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:24,336 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:198, output treesize:148 [2021-11-03 05:37:24,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:24,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 05:37:24,378 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.2 percent of original size 161 [2021-11-03 05:37:24,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 05:37:24,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 05:37:24,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 05:37:24,455 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:24,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,476 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-03 05:37:24,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:37:24,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:24,482 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:162, output treesize:155 [2021-11-03 05:37:24,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:24,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:24,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:24,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:24,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:37:24,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 05:37:24,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:24,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-03 05:37:24,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-03 05:37:24,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-11-03 05:37:24,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:24,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:24,757 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:24,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:24,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2021-11-03 05:37:24,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:37:24,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:37:24,793 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:24,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:24,890 INFO L180 QuantifierPusher]: treesize reduction 124, result has 75.0 percent of original size [2021-11-03 05:37:24,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 372 [2021-11-03 05:37:24,899 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:24,899 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:504, output treesize:372 [2021-11-03 05:37:24,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:24,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,022 INFO L180 QuantifierPusher]: treesize reduction 54, result has 57.5 percent of original size [2021-11-03 05:37:25,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:25,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-03 05:37:25,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:37:25,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-03 05:37:25,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-03 05:37:25,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-03 05:37:25,040 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:25,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 05:37:25,046 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:25,046 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-03 05:37:25,052 INFO L180 QuantifierPusher]: treesize reduction 55, result has 50.5 percent of original size [2021-11-03 05:37:25,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:25,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:25,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:25,067 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 66 [2021-11-03 05:37:25,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 05:37:25,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:25,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:25,082 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:25,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,089 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size [2021-11-03 05:37:25,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 05:37:25,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:25,095 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:61 [2021-11-03 05:37:25,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:25,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:25,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:25,157 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:25,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:25,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:37:25,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:25,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-03 05:37:25,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-03 05:37:25,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:25,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2021-11-03 05:37:25,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:25,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:25,198 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:25,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:25,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:25,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:25,213 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:25,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,257 INFO L180 QuantifierPusher]: treesize reduction 118, result has 56.5 percent of original size [2021-11-03 05:37:25,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-03 05:37:25,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:25,261 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:279, output treesize:153 [2021-11-03 05:37:25,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,317 INFO L180 QuantifierPusher]: treesize reduction 54, result has 58.8 percent of original size [2021-11-03 05:37:25,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:25,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:25,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:37:25,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:25,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:25,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:25,343 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:25,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-03 05:37:25,349 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:25,350 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2021-11-03 05:37:25,355 INFO L180 QuantifierPusher]: treesize reduction 55, result has 50.5 percent of original size [2021-11-03 05:37:25,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:25,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-03 05:37:25,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:25,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-03 05:37:25,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:25,469 INFO L180 QuantifierPusher]: treesize reduction 48, result has 63.1 percent of original size [2021-11-03 05:37:25,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 05:37:25,480 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:37:25,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:37:25,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:37:25,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2021-11-03 05:37:25,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455791540] [2021-11-03 05:37:25,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:37:25,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:25,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:37:25,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:37:25,998 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:26,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:26,034 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions. [2021-11-03 05:37:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:37:26,035 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-03 05:37:26,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:26,036 INFO L225 Difference]: With dead ends: 20 [2021-11-03 05:37:26,037 INFO L226 Difference]: Without dead ends: 13 [2021-11-03 05:37:26,039 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:37:26,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-03 05:37:26,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-03 05:37:26,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:26,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-11-03 05:37:26,045 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2021-11-03 05:37:26,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:26,045 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-03 05:37:26,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-03 05:37:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 05:37:26,046 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:26,046 INFO L513 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:26,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:26,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:26,272 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:26,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:26,272 INFO L85 PathProgramCache]: Analyzing trace with hash 866857431, now seen corresponding path program 2 times [2021-11-03 05:37:26,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:26,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64936801] [2021-11-03 05:37:26,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:26,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:37:26,371 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:26,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64936801] [2021-11-03 05:37:26,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64936801] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:26,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550632989] [2021-11-03 05:37:26,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:37:26,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:26,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:26,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:26,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 05:37:26,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-03 05:37:26,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:37:26,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:37:26,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:37:26,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:26,581 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:37:26,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550632989] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:26,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [612044743] [2021-11-03 05:37:26,585 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:26,585 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:26,586 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:26,586 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:26,586 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:26,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:26,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:37:26,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:26,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:37:26,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-03 05:37:26,611 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 55=[|v_#valid_27|]} [2021-11-03 05:37:26,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-03 05:37:26,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:26,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:26,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:26,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:26,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,709 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:26,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:37:26,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:26,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:26,717 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:26,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:26,727 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:37:26,733 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:26,733 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:198, output treesize:148 [2021-11-03 05:37:26,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:26,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:26,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-03 05:37:26,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-11-03 05:37:26,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:26,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:26,767 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:26,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:26,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-11-03 05:37:26,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:26,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:173, output treesize:169 [2021-11-03 05:37:26,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:26,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:26,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:26,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:26,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:26,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:26,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:26,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:26,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 360 [2021-11-03 05:37:26,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:26,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 05:37:26,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 421 [2021-11-03 05:37:26,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:26,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 54 [2021-11-03 05:37:26,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 05:37:26,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:26,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 05:37:26,993 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:27,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:27,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:27,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-11-03 05:37:27,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:27,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:27,018 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:27,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,087 INFO L180 QuantifierPusher]: treesize reduction 129, result has 74.6 percent of original size [2021-11-03 05:37:27,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 05:37:27,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:27,095 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:516, output treesize:379 [2021-11-03 05:37:27,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,174 INFO L180 QuantifierPusher]: treesize reduction 54, result has 57.5 percent of original size [2021-11-03 05:37:27,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:27,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-03 05:37:27,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:37:27,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-03 05:37:27,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-03 05:37:27,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-03 05:37:27,190 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:27,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 05:37:27,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:27,195 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-03 05:37:27,202 INFO L180 QuantifierPusher]: treesize reduction 55, result has 50.5 percent of original size [2021-11-03 05:37:27,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:27,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:27,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:27,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:37:27,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:27,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:27,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:27,220 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:27,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 05:37:27,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:27,226 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 05:37:27,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:27,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:27,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:27,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:27,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:27,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:37:27,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:27,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 05:37:27,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-03 05:37:27,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:27,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:27,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:27,295 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:27,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:27,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2021-11-03 05:37:27,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:27,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:27,309 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:27,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,332 INFO L180 QuantifierPusher]: treesize reduction 123, result has 56.2 percent of original size [2021-11-03 05:37:27,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:37:27,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:27,335 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:291, output treesize:158 [2021-11-03 05:37:27,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,373 INFO L180 QuantifierPusher]: treesize reduction 54, result has 58.8 percent of original size [2021-11-03 05:37:27,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:27,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:27,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:37:27,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:27,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:27,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:27,384 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:27,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-03 05:37:27,389 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:27,389 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2021-11-03 05:37:27,395 INFO L180 QuantifierPusher]: treesize reduction 55, result has 50.5 percent of original size [2021-11-03 05:37:27,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:27,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:27,402 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.5 percent of original size 64 [2021-11-03 05:37:27,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,430 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size [2021-11-03 05:37:27,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-03 05:37:27,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:27,484 INFO L180 QuantifierPusher]: treesize reduction 48, result has 63.1 percent of original size [2021-11-03 05:37:27,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 05:37:27,495 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:37:27,982 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:37:27,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:37:27,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2021-11-03 05:37:27,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570928381] [2021-11-03 05:37:27,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-03 05:37:27,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:27,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-03 05:37:27,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-03 05:37:27,985 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:28,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:28,149 INFO L93 Difference]: Finished difference Result 35 states and 53 transitions. [2021-11-03 05:37:28,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 05:37:28,150 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 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 12 [2021-11-03 05:37:28,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:28,150 INFO L225 Difference]: With dead ends: 35 [2021-11-03 05:37:28,151 INFO L226 Difference]: Without dead ends: 28 [2021-11-03 05:37:28,151 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2021-11-03 05:37:28,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-03 05:37:28,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-11-03 05:37:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 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) [2021-11-03 05:37:28,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2021-11-03 05:37:28,156 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 12 [2021-11-03 05:37:28,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:28,156 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2021-11-03 05:37:28,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-11-03 05:37:28,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-03 05:37:28,157 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:28,158 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:28,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:28,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-11-03 05:37:28,358 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:28,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:28,359 INFO L85 PathProgramCache]: Analyzing trace with hash -65596586, now seen corresponding path program 3 times [2021-11-03 05:37:28,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:28,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18761137] [2021-11-03 05:37:28,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:28,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-03 05:37:28,470 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:28,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18761137] [2021-11-03 05:37:28,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18761137] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:28,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901223293] [2021-11-03 05:37:28,470 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 05:37:28,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:28,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:28,471 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:28,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 05:37:28,651 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 05:37:28,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:37:28,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-03 05:37:28,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-03 05:37:28,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-03 05:37:29,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901223293] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:29,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1108363493] [2021-11-03 05:37:29,003 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:29,004 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:29,004 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:29,004 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:29,004 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:29,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:37:29,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:37:29,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-03 05:37:29,025 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 55=[|v_#valid_28|]} [2021-11-03 05:37:29,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-03 05:37:29,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:29,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:29,052 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,112 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:29,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:37:29,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:29,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:29,121 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:37:29,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,132 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:198, output treesize:148 [2021-11-03 05:37:29,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:29,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-03 05:37:29,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-11-03 05:37:29,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:29,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:29,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-11-03 05:37:29,175 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,175 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:173, output treesize:169 [2021-11-03 05:37:29,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:29,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:29,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 360 [2021-11-03 05:37:29,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 05:37:29,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 421 [2021-11-03 05:37:29,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-11-03 05:37:29,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:29,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:29,326 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 54 [2021-11-03 05:37:29,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 05:37:29,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 05:37:29,350 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,402 INFO L180 QuantifierPusher]: treesize reduction 129, result has 74.6 percent of original size [2021-11-03 05:37:29,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 05:37:29,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:29,409 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:516, output treesize:379 [2021-11-03 05:37:29,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,476 INFO L180 QuantifierPusher]: treesize reduction 54, result has 57.5 percent of original size [2021-11-03 05:37:29,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-03 05:37:29,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:37:29,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-03 05:37:29,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-03 05:37:29,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-03 05:37:29,487 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 05:37:29,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,492 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-03 05:37:29,499 INFO L180 QuantifierPusher]: treesize reduction 55, result has 50.5 percent of original size [2021-11-03 05:37:29,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:29,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:29,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:37:29,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:29,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:29,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:29,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 05:37:29,519 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,519 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 05:37:29,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:29,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:29,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:37:29,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 05:37:29,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-03 05:37:29,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:29,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2021-11-03 05:37:29,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 05:37:29,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 05:37:29,600 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:29,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:29,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:29,610 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,635 INFO L180 QuantifierPusher]: treesize reduction 125, result has 55.8 percent of original size [2021-11-03 05:37:29,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:37:29,638 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:29,638 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:291, output treesize:158 [2021-11-03 05:37:29,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,680 INFO L180 QuantifierPusher]: treesize reduction 54, result has 58.8 percent of original size [2021-11-03 05:37:29,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:29,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:29,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:37:29,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:29,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:29,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:29,695 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-03 05:37:29,700 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:29,700 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2021-11-03 05:37:29,706 INFO L180 QuantifierPusher]: treesize reduction 55, result has 50.5 percent of original size [2021-11-03 05:37:29,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:29,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:29,712 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.5 percent of original size 64 [2021-11-03 05:37:29,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,737 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size [2021-11-03 05:37:29,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-03 05:37:29,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:29,781 INFO L180 QuantifierPusher]: treesize reduction 48, result has 63.1 percent of original size [2021-11-03 05:37:29,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 05:37:29,788 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:37:30,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:37:30,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:37:30,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2021-11-03 05:37:30,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814456124] [2021-11-03 05:37:30,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-03 05:37:30,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:30,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-03 05:37:30,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=554, Unknown=0, NotChecked=0, Total=870 [2021-11-03 05:37:30,344 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:30,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:30,391 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2021-11-03 05:37:30,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-03 05:37:30,392 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 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 27 [2021-11-03 05:37:30,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:30,393 INFO L225 Difference]: With dead ends: 56 [2021-11-03 05:37:30,393 INFO L226 Difference]: Without dead ends: 37 [2021-11-03 05:37:30,393 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 52 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=316, Invalid=554, Unknown=0, NotChecked=0, Total=870 [2021-11-03 05:37:30,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-03 05:37:30,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-11-03 05:37:30,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:30,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2021-11-03 05:37:30,399 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 27 [2021-11-03 05:37:30,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:30,399 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2021-11-03 05:37:30,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:30,400 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2021-11-03 05:37:30,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 05:37:30,400 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:30,401 INFO L513 BasicCegarLoop]: trace histogram [16, 7, 7, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:30,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:30,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:30,601 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:30,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:30,602 INFO L85 PathProgramCache]: Analyzing trace with hash -948971849, now seen corresponding path program 4 times [2021-11-03 05:37:30,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:30,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683154069] [2021-11-03 05:37:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:30,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-03 05:37:30,853 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:30,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683154069] [2021-11-03 05:37:30,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683154069] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:30,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206851690] [2021-11-03 05:37:30,854 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 05:37:30,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:30,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:30,856 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:30,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 05:37:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:30,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 05:37:30,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-03 05:37:31,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:31,843 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-03 05:37:31,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206851690] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:31,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1240747681] [2021-11-03 05:37:31,846 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:31,846 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:31,846 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:31,846 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:31,847 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:31,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:31,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:37:31,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:31,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:37:31,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-03 05:37:31,865 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 55=[|v_#valid_29|]} [2021-11-03 05:37:31,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-03 05:37:31,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:31,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:31,901 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:31,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:31,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,952 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:31,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:37:31,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:31,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:31,960 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:31,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:31,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:37:31,972 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:31,972 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:198, output treesize:148 [2021-11-03 05:37:31,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:31,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 05:37:31,982 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.2 percent of original size 161 [2021-11-03 05:37:31,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:31,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 05:37:31,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 05:37:31,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:31,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 05:37:31,998 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:31,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,008 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-03 05:37:32,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:37:32,011 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,011 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:162, output treesize:155 [2021-11-03 05:37:32,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:37:32,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:32,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 05:37:32,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-03 05:37:32,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-03 05:37:32,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:32,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:32,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-11-03 05:37:32,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:32,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:32,176 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:32,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:32,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:32,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2021-11-03 05:37:32,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:37:32,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:37:32,197 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,251 INFO L180 QuantifierPusher]: treesize reduction 124, result has 75.0 percent of original size [2021-11-03 05:37:32,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 372 [2021-11-03 05:37:32,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:32,258 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:504, output treesize:372 [2021-11-03 05:37:32,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,318 INFO L180 QuantifierPusher]: treesize reduction 54, result has 57.5 percent of original size [2021-11-03 05:37:32,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-03 05:37:32,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:37:32,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-03 05:37:32,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-03 05:37:32,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-03 05:37:32,329 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 05:37:32,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,334 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-03 05:37:32,339 INFO L180 QuantifierPusher]: treesize reduction 55, result has 50.5 percent of original size [2021-11-03 05:37:32,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:32,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:32,346 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 66 [2021-11-03 05:37:32,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 05:37:32,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:32,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:32,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,357 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size [2021-11-03 05:37:32,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 05:37:32,358 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,359 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:61 [2021-11-03 05:37:32,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,385 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:32,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:32,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:37:32,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-03 05:37:32,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-03 05:37:32,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:32,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2021-11-03 05:37:32,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:32,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:32,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:32,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:32,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:32,420 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,460 INFO L180 QuantifierPusher]: treesize reduction 118, result has 56.5 percent of original size [2021-11-03 05:37:32,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-03 05:37:32,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:32,463 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:279, output treesize:153 [2021-11-03 05:37:32,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,504 INFO L180 QuantifierPusher]: treesize reduction 54, result has 58.8 percent of original size [2021-11-03 05:37:32,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:32,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:32,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:37:32,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:32,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:32,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:32,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-03 05:37:32,518 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:32,519 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2021-11-03 05:37:32,523 INFO L180 QuantifierPusher]: treesize reduction 55, result has 50.5 percent of original size [2021-11-03 05:37:32,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:32,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-03 05:37:32,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:32,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-03 05:37:32,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:32,593 INFO L180 QuantifierPusher]: treesize reduction 48, result has 63.1 percent of original size [2021-11-03 05:37:32,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 05:37:32,600 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:37:33,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:37:33,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:37:33,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 52 [2021-11-03 05:37:33,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548625429] [2021-11-03 05:37:33,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-11-03 05:37:33,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:33,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-11-03 05:37:33,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1270, Invalid=1922, Unknown=0, NotChecked=0, Total=3192 [2021-11-03 05:37:33,220 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 53 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:33,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:33,331 INFO L93 Difference]: Finished difference Result 74 states and 95 transitions. [2021-11-03 05:37:33,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-03 05:37:33,331 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-03 05:37:33,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:33,333 INFO L225 Difference]: With dead ends: 74 [2021-11-03 05:37:33,333 INFO L226 Difference]: Without dead ends: 55 [2021-11-03 05:37:33,335 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 61 SyntacticMatches, 8 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2100 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1270, Invalid=1922, Unknown=0, NotChecked=0, Total=3192 [2021-11-03 05:37:33,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-03 05:37:33,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-03 05:37:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 54 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2021-11-03 05:37:33,356 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 36 [2021-11-03 05:37:33,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:33,356 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2021-11-03 05:37:33,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2021-11-03 05:37:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 05:37:33,362 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:33,362 INFO L513 BasicCegarLoop]: trace histogram [34, 7, 7, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:33,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:33,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2021-11-03 05:37:33,576 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:33,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:33,576 INFO L85 PathProgramCache]: Analyzing trace with hash 460545431, now seen corresponding path program 5 times [2021-11-03 05:37:33,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:33,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847374820] [2021-11-03 05:37:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:33,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-03 05:37:34,374 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:34,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847374820] [2021-11-03 05:37:34,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847374820] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:34,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020780001] [2021-11-03 05:37:34,375 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:37:34,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:34,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:34,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:34,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 05:37:34,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-03 05:37:34,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:37:34,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-03 05:37:34,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2021-11-03 05:37:34,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2021-11-03 05:37:35,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020780001] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:35,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [263660169] [2021-11-03 05:37:35,356 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:35,356 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:35,357 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:35,357 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:35,357 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:35,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:37:35,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:37:35,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-03 05:37:35,373 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 55=[|v_#valid_30|]} [2021-11-03 05:37:35,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-03 05:37:35,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:35,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:35,406 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,461 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:35,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:37:35,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:35,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:35,466 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:37:35,477 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,477 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:198, output treesize:148 [2021-11-03 05:37:35,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 05:37:35,487 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.2 percent of original size 161 [2021-11-03 05:37:35,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 05:37:35,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 05:37:35,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 05:37:35,502 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,511 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-03 05:37:35,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:37:35,513 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,514 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:162, output treesize:155 [2021-11-03 05:37:35,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:37:35,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:37:35,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 05:37:35,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-03 05:37:35,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-03 05:37:35,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-11-03 05:37:35,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:35,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:37:35,651 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2021-11-03 05:37:35,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:37:35,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:37:35,673 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,725 INFO L180 QuantifierPusher]: treesize reduction 124, result has 75.0 percent of original size [2021-11-03 05:37:35,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 372 [2021-11-03 05:37:35,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:35,732 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:504, output treesize:372 [2021-11-03 05:37:35,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,787 INFO L180 QuantifierPusher]: treesize reduction 54, result has 57.5 percent of original size [2021-11-03 05:37:35,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-03 05:37:35,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:37:35,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-03 05:37:35,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-03 05:37:35,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-03 05:37:35,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 05:37:35,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,801 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-03 05:37:35,806 INFO L180 QuantifierPusher]: treesize reduction 55, result has 50.5 percent of original size [2021-11-03 05:37:35,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:35,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:35,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 05:37:35,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:35,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:35,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:35,819 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 05:37:35,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,823 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 05:37:35,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:35,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:35,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:37:35,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 05:37:35,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-03 05:37:35,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:35,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2021-11-03 05:37:35,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:35,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:35,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:35,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:35,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:35,883 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,906 INFO L180 QuantifierPusher]: treesize reduction 123, result has 56.2 percent of original size [2021-11-03 05:37:35,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:37:35,909 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:35,909 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:291, output treesize:158 [2021-11-03 05:37:35,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,935 INFO L180 QuantifierPusher]: treesize reduction 54, result has 58.8 percent of original size [2021-11-03 05:37:35,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:35,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:35,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:37:35,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-03 05:37:35,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:35,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:35,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-03 05:37:35,951 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:35,951 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2021-11-03 05:37:35,955 INFO L180 QuantifierPusher]: treesize reduction 55, result has 50.5 percent of original size [2021-11-03 05:37:35,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:35,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:35,963 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.5 percent of original size 64 [2021-11-03 05:37:35,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:35,985 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size [2021-11-03 05:37:35,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-03 05:37:35,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:36,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:36,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:36,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:36,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:36,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:36,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:36,041 INFO L180 QuantifierPusher]: treesize reduction 48, result has 63.1 percent of original size [2021-11-03 05:37:36,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 05:37:36,047 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:37:36,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:37:36,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:37:36,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 10, 10] total 54 [2021-11-03 05:37:36,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785322175] [2021-11-03 05:37:36,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-11-03 05:37:36,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:36,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-11-03 05:37:36,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1400, Invalid=2022, Unknown=0, NotChecked=0, Total=3422 [2021-11-03 05:37:36,880 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand has 55 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 54 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:38,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:38,451 INFO L93 Difference]: Finished difference Result 155 states and 239 transitions. [2021-11-03 05:37:38,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-03 05:37:38,452 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 54 states have internal predecessors, (64), 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 54 [2021-11-03 05:37:38,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:38,458 INFO L225 Difference]: With dead ends: 155 [2021-11-03 05:37:38,458 INFO L226 Difference]: Without dead ends: 136 [2021-11-03 05:37:38,462 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 131 SyntacticMatches, 8 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2507 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3080, Invalid=5662, Unknown=0, NotChecked=0, Total=8742 [2021-11-03 05:37:38,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-11-03 05:37:38,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-11-03 05:37:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.0222222222222221) internal successors, (138), 135 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 138 transitions. [2021-11-03 05:37:38,498 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 138 transitions. Word has length 54 [2021-11-03 05:37:38,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:38,498 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 138 transitions. [2021-11-03 05:37:38,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 54 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 138 transitions. [2021-11-03 05:37:38,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-03 05:37:38,507 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:38,507 INFO L513 BasicCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:38,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:38,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable156 [2021-11-03 05:37:38,724 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:38,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:38,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1567950934, now seen corresponding path program 6 times [2021-11-03 05:37:38,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:38,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695894109] [2021-11-03 05:37:38,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:38,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2838 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 1892 trivial. 0 not checked. [2021-11-03 05:37:39,766 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:39,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695894109] [2021-11-03 05:37:39,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695894109] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:39,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323959053] [2021-11-03 05:37:39,767 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 05:37:39,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:39,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:39,773 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:39,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e9a19a-a20e-4382-8a4a-206a90e68dd1/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process