./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/sina2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ea1eb4a8af9eb0da04a9f2b25d1b98ecd98ff3b6d87ba0d8e53000f12b8adcc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:35:09,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:35:09,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:35:09,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:35:09,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:35:09,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:35:09,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:35:09,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:35:09,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:35:09,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:35:09,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:35:09,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:35:09,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:35:09,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:35:09,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:35:09,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:35:09,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:35:09,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:35:09,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:35:09,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:35:09,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:35:09,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:35:09,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:35:09,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:35:09,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:35:09,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:35:09,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:35:09,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:35:09,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:35:09,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:35:09,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:35:09,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:35:09,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:35:09,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:35:09,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:35:09,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:35:09,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:35:09,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:35:09,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:35:09,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:35:09,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:35:09,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:35:09,985 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:35:09,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:35:09,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:35:09,991 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:35:09,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:35:09,991 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:35:09,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:35:09,992 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:35:09,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:35:09,999 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:35:10,000 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:35:10,000 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:35:10,000 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:35:10,001 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:35:10,001 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:35:10,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:35:10,002 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:35:10,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:35:10,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:35:10,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:35:10,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:35:10,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:35:10,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:35:10,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:35:10,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:35:10,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:35:10,004 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:35:10,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:35:10,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:35:10,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:35:10,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:10,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:35:10,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:35:10,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:35:10,009 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:35:10,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:35:10,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:35:10,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:35:10,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:35:10,010 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_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ea1eb4a8af9eb0da04a9f2b25d1b98ecd98ff3b6d87ba0d8e53000f12b8adcc [2021-11-07 01:35:10,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:35:10,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:35:10,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:35:10,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:35:10,322 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:35:10,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-fpi/sina2.c [2021-11-07 01:35:10,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/data/180d4bffc/493016a3666b4080b50c4064cec165e7/FLAGef674c6eb [2021-11-07 01:35:10,940 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:35:10,941 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/sv-benchmarks/c/array-fpi/sina2.c [2021-11-07 01:35:10,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/data/180d4bffc/493016a3666b4080b50c4064cec165e7/FLAGef674c6eb [2021-11-07 01:35:11,296 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/data/180d4bffc/493016a3666b4080b50c4064cec165e7 [2021-11-07 01:35:11,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:35:11,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:35:11,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:11,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:35:11,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:35:11,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e54647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11, skipping insertion in model container [2021-11-07 01:35:11,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:35:11,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:35:11,527 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_f0c187d9-a50c-4805-ba54-c35dfe39f40c/sv-benchmarks/c/array-fpi/sina2.c[588,601] [2021-11-07 01:35:11,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:11,553 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:35:11,565 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_f0c187d9-a50c-4805-ba54-c35dfe39f40c/sv-benchmarks/c/array-fpi/sina2.c[588,601] [2021-11-07 01:35:11,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:11,590 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:35:11,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11 WrapperNode [2021-11-07 01:35:11,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:11,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:35:11,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:35:11,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:35:11,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:35:11,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:35:11,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:35:11,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:35:11,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:35:11,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:35:11,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:35:11,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:35:11,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (1/1) ... [2021-11-07 01:35:11,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:11,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:11,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:35:11,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:35:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:35:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:35:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:35:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:35:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:35:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:35:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:35:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:35:12,374 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:35:12,374 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-07 01:35:12,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:12 BoogieIcfgContainer [2021-11-07 01:35:12,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:35:12,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:35:12,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:35:12,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:35:12,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:35:11" (1/3) ... [2021-11-07 01:35:12,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1260b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:12, skipping insertion in model container [2021-11-07 01:35:12,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:11" (2/3) ... [2021-11-07 01:35:12,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1260b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:12, skipping insertion in model container [2021-11-07 01:35:12,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:12" (3/3) ... [2021-11-07 01:35:12,393 INFO L111 eAbstractionObserver]: Analyzing ICFG sina2.c [2021-11-07 01:35:12,400 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:35:12,400 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:35:12,460 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:35:12,469 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:35:12,469 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:35:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:35:12,493 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:12,494 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:12,495 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:12,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:12,502 INFO L85 PathProgramCache]: Analyzing trace with hash -228319609, now seen corresponding path program 1 times [2021-11-07 01:35:12,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:12,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975309100] [2021-11-07 01:35:12,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:12,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:12,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:12,741 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:12,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975309100] [2021-11-07 01:35:12,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975309100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:35:12,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:35:12,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:35:12,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612111742] [2021-11-07 01:35:12,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:35:12,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:12,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:35:12,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:35:12,790 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:12,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:12,856 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2021-11-07 01:35:12,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:35:12,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 01:35:12,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:12,866 INFO L225 Difference]: With dead ends: 22 [2021-11-07 01:35:12,866 INFO L226 Difference]: Without dead ends: 11 [2021-11-07 01:35:12,870 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:35:12,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-07 01:35:12,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-07 01:35:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-11-07 01:35:12,906 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 8 [2021-11-07 01:35:12,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:12,907 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-07 01:35:12,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-07 01:35:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 01:35:12,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:12,908 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:12,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:35:12,909 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:12,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:12,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1111630449, now seen corresponding path program 1 times [2021-11-07 01:35:12,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:12,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122278553] [2021-11-07 01:35:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:12,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:35:12,996 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:12,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122278553] [2021-11-07 01:35:12,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122278553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:35:12,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:35:12,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:35:12,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525911325] [2021-11-07 01:35:12,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:35:13,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:13,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:35:13,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:35:13,001 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:13,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:13,059 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-11-07 01:35:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:35:13,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 01:35:13,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:13,062 INFO L225 Difference]: With dead ends: 24 [2021-11-07 01:35:13,063 INFO L226 Difference]: Without dead ends: 18 [2021-11-07 01:35:13,064 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:35:13,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-07 01:35:13,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2021-11-07 01:35:13,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:13,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-07 01:35:13,069 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2021-11-07 01:35:13,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:13,069 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-07 01:35:13,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-07 01:35:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:35:13,071 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:13,071 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:13,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:35:13,071 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:13,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:13,072 INFO L85 PathProgramCache]: Analyzing trace with hash 141398424, now seen corresponding path program 1 times [2021-11-07 01:35:13,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:13,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142936559] [2021-11-07 01:35:13,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:13,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:13,812 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:13,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142936559] [2021-11-07 01:35:13,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142936559] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:13,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783628162] [2021-11-07 01:35:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:13,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:13,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:13,816 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:13,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:35:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:13,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-07 01:35:13,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:14,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:35:14,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:35:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:14,123 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 19 treesize of output 18 [2021-11-07 01:35:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:14,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2021-11-07 01:35:14,461 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-07 01:35:14,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 27 [2021-11-07 01:35:14,743 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-07 01:35:14,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 40 [2021-11-07 01:35:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:14,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:15,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:15,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783628162] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:15,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1821457198] [2021-11-07 01:35:15,271 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:35:15,272 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:15,277 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:15,284 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:15,285 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:15,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:15,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:15,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:15,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:35:15,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:15,343 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_25|]} [2021-11-07 01:35:15,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:35:15,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:15,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:15,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:15,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:15,392 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:35:15,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:15,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:15,433 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:15,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:15,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:35:15,461 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:15,462 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:35:15,481 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:35:15,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:15,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:35:15,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:15,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:15,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:15,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:15,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:35:15,534 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_18|], 28=[|v_#valid_26|]} [2021-11-07 01:35:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,636 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:35:15,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:35:15,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:15,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:15,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:15,658 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:35:15,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:15,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:15,661 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:15,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:15,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,762 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:35:15,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:35:15,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:15,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:15,781 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:15,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:15,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,843 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 [2021-11-07 01:35:15,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:15,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:15,849 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:15,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:15,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:35:15,884 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:15,885 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:35:15,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:15,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:15,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:35:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:15,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:35:15,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:15,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:15,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:15,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:15,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:15,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:35:15,997 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:15,998 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2021-11-07 01:35:16,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:35:16,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:16,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:35:16,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-11-07 01:35:16,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-07 01:35:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:35:16,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:16,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:16,323 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2021-11-07 01:35:16,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:16,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:16,366 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,478 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.3 percent of original size [2021-11-07 01:35:16,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2021-11-07 01:35:16,488 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:16,488 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:540, output treesize:406 [2021-11-07 01:35:16,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,652 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:35:16,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:16,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:35:16,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:35:16,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:16,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:16,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,677 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:35:16,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:35:16,693 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:16,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:16,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:16,708 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:35:16,743 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:35:16,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:35:16,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,747 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:35:16,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:35:16,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:35:16,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:35:16,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,779 INFO L628 ElimStorePlain]: treesize reduction 25, result has 74.2 percent of original size [2021-11-07 01:35:16,781 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:35:16,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:16,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,784 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:35:16,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:35:16,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:35:16,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:16,896 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:35:16,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:35:16,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,909 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:35:16,911 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:35:16,912 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:35:16,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:35:16,913 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:35:16,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-07 01:35:16,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:16,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:16,935 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,989 INFO L180 QuantifierPusher]: treesize reduction 106, result has 59.1 percent of original size [2021-11-07 01:35:16,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:35:16,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:16,994 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:279, output treesize:153 [2021-11-07 01:35:16,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,065 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:35:17,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:35:17,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:35:17,122 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:35:17,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:35:17,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,136 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:35:17,138 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:35:17,140 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:35:17,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:17,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:35:17,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:35:17,155 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,155 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:35:17,162 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:17,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:17,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:17,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:35:17,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:17,208 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:35:17,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:35:17,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:35:17,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:35:17,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:35:17,222 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:35:17,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,228 INFO L628 ElimStorePlain]: treesize reduction 37, result has 68.1 percent of original size [2021-11-07 01:35:17,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:35:17,232 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,232 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:79 [2021-11-07 01:35:17,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,296 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:35:17,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:17,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:35:17,350 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:35:17,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:35:17,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,363 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:35:17,364 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:35:17,366 INFO L180 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size [2021-11-07 01:35:17,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:35:17,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:35:17,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,372 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:35:17,377 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,377 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:107 [2021-11-07 01:35:17,386 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:17,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:17,395 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:18,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:18,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:18,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2021-11-07 01:35:18,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992035622] [2021-11-07 01:35:18,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-07 01:35:18,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:18,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-07 01:35:18,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=610, Unknown=0, NotChecked=0, Total=702 [2021-11-07 01:35:18,183 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:19,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:19,018 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2021-11-07 01:35:19,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 01:35:19,019 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-07 01:35:19,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:19,020 INFO L225 Difference]: With dead ends: 35 [2021-11-07 01:35:19,020 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:35:19,022 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 12 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=175, Invalid=1085, Unknown=0, NotChecked=0, Total=1260 [2021-11-07 01:35:19,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:35:19,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2021-11-07 01:35:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:19,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-11-07 01:35:19,029 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 28 transitions. Word has length 11 [2021-11-07 01:35:19,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:19,029 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-11-07 01:35:19,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:19,030 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-07 01:35:19,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:35:19,030 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:19,030 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:19,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:19,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:19,254 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:19,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:19,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1167527278, now seen corresponding path program 2 times [2021-11-07 01:35:19,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:19,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120254575] [2021-11-07 01:35:19,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:19,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:19,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:35:19,343 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:19,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120254575] [2021-11-07 01:35:19,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120254575] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:19,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461402131] [2021-11-07 01:35:19,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:35:19,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:19,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:19,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:19,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:35:19,467 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:35:19,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:35:19,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:35:19,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:19,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:35:19,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:35:19,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461402131] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:19,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [104699866] [2021-11-07 01:35:19,660 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:35:19,660 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:19,661 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:19,661 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:19,661 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:19,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:19,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:19,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:19,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:35:19,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:19,693 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_28|]} [2021-11-07 01:35:19,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:35:19,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:19,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:19,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:19,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:19,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:35:19,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:19,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:19,766 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:19,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:19,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:35:19,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:19,783 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:35:19,789 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:35:19,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:19,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:19,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:19,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:35:19,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:19,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:19,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:35:19,806 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_21|], 28=[|v_#valid_29|]} [2021-11-07 01:35:19,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,873 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:35:19,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:35:19,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:19,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:19,880 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:19,891 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:35:19,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:19,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:19,894 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:19,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:19,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:19,970 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:35:19,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:35:19,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:19,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:19,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:19,979 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:19,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:19,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,007 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 [2021-11-07 01:35:20,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:20,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:20,012 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:35:20,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,035 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:35:20,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:20,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:35:20,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:35:20,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:20,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:20,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:35:20,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,095 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2021-11-07 01:35:20,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:35:20,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:20,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:35:20,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-11-07 01:35:20,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-07 01:35:20,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2021-11-07 01:35:20,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:20,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:20,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:35:20,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:20,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:20,389 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,488 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.3 percent of original size [2021-11-07 01:35:20,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2021-11-07 01:35:20,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:20,506 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:540, output treesize:406 [2021-11-07 01:35:20,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,614 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:35:20,616 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:20,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:35:20,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:35:20,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:20,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:20,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:35:20,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,637 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:35:20,644 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:20,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:20,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:35:20,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:35:20,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:20,688 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:35:20,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:35:20,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,701 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:35:20,702 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:35:20,704 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:35:20,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:35:20,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:35:20,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:35:20,713 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,713 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:35:20,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,747 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:35:20,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:35:20,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:35:20,804 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:35:20,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:35:20,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:35:20,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:35:20,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:35:20,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:35:20,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,825 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:35:20,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:35:20,829 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,830 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:35:20,837 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:20,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:20,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:20,877 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:35:20,910 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:35:20,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:35:20,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:35:20,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:35:20,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:35:20,923 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:35:20,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,928 INFO L628 ElimStorePlain]: treesize reduction 18, result has 80.0 percent of original size [2021-11-07 01:35:20,930 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:35:20,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:20,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,932 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:35:20,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,961 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:35:20,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:20,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:35:21,018 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:35:21,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:35:21,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,031 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:21,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:35:21,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:35:21,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:35:21,049 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:35:21,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,054 INFO L628 ElimStorePlain]: treesize reduction 47, result has 65.4 percent of original size [2021-11-07 01:35:21,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:35:21,059 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:21,059 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:89 [2021-11-07 01:35:21,066 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:21,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:21,075 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:21,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:21,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:21,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-11-07 01:35:21,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319567458] [2021-11-07 01:35:21,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:35:21,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:21,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:35:21,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:35:21,692 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:21,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:21,867 INFO L93 Difference]: Finished difference Result 44 states and 54 transitions. [2021-11-07 01:35:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:35:21,868 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 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 [2021-11-07 01:35:21,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:21,869 INFO L225 Difference]: With dead ends: 44 [2021-11-07 01:35:21,869 INFO L226 Difference]: Without dead ends: 37 [2021-11-07 01:35:21,870 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:35:21,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-07 01:35:21,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 23. [2021-11-07 01:35:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 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) [2021-11-07 01:35:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2021-11-07 01:35:21,877 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 12 [2021-11-07 01:35:21,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:21,877 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-11-07 01:35:21,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:21,878 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-07 01:35:21,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 01:35:21,878 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:21,879 INFO L513 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:21,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:22,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-11-07 01:35:22,093 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:22,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:22,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1934578216, now seen corresponding path program 3 times [2021-11-07 01:35:22,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:22,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910803436] [2021-11-07 01:35:22,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:22,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:35:22,203 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:22,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910803436] [2021-11-07 01:35:22,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910803436] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:22,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421312945] [2021-11-07 01:35:22,204 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:35:22,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:22,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:22,213 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:22,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:35:22,312 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:35:22,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:35:22,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:35:22,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:35:22,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:35:22,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421312945] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:22,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [207764629] [2021-11-07 01:35:22,495 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:35:22,495 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:22,496 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:22,496 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:22,496 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:22,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:22,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:22,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:22,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:35:22,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:22,526 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_22|], 21=[|v_#valid_30|]} [2021-11-07 01:35:22,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:35:22,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:22,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:22,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:22,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:22,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:35:22,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:22,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:22,590 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:22,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:22,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:35:22,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:22,614 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:35:22,621 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:35:22,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:22,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:22,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:22,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:22,638 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:22,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:35:22,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:35:22,661 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_23|], 28=[|v_#valid_31|]} [2021-11-07 01:35:22,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,825 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:35:22,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:35:22,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:22,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:22,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:22,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:35:22,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:22,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:22,842 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:22,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:22,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,932 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:35:22,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:35:22,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:22,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:22,939 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:22,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:22,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:22,979 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 [2021-11-07 01:35:22,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:22,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:22,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:22,983 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:22,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:35:23,010 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,011 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:35:23,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:23,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:35:23,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:35:23,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:23,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:23,064 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:35:23,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,086 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:35:23,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:23,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:23,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-07 01:35:23,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 375 [2021-11-07 01:35:23,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 457 [2021-11-07 01:35:23,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:35:23,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:35:23,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:35:23,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:23,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:35:23,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:23,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:23,372 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,468 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:35:23,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:35:23,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:23,481 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:35:23,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,582 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:35:23,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:23,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:35:23,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:35:23,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:23,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:23,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,601 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:35:23,605 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:35:23,612 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:23,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:23,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:35:23,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:35:23,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:23,653 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:35:23,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:35:23,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:23,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:23,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:23,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:35:23,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,668 INFO L628 ElimStorePlain]: treesize reduction 31, result has 70.5 percent of original size [2021-11-07 01:35:23,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 01:35:23,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,672 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:74 [2021-11-07 01:35:23,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,703 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:35:23,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:35:23,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:35:23,759 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:35:23,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:35:23,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:35:23,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:35:23,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:35:23,772 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:35:23,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,777 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:35:23,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:35:23,781 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,782 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:35:23,789 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:23,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:23,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:23,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:35:23,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:23,832 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:35:23,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:35:23,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:35:23,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:35:23,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:35:23,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:35:23,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,848 INFO L628 ElimStorePlain]: treesize reduction 36, result has 68.7 percent of original size [2021-11-07 01:35:23,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:35:23,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,852 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:79 [2021-11-07 01:35:23,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,881 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:35:23,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:23,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:35:23,933 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:35:23,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:35:23,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:23,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:35:23,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:35:23,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:35:23,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:35:23,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:23,951 INFO L628 ElimStorePlain]: treesize reduction 47, result has 65.4 percent of original size [2021-11-07 01:35:23,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:23,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:35:23,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:23,955 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:89 [2021-11-07 01:35:23,963 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:23,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:23,972 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:24,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:24,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:24,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 12 [2021-11-07 01:35:24,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186802473] [2021-11-07 01:35:24,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:35:24,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:24,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:35:24,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:35:24,640 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:24,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:24,755 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2021-11-07 01:35:24,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:35:24,756 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 01:35:24,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:24,756 INFO L225 Difference]: With dead ends: 46 [2021-11-07 01:35:24,757 INFO L226 Difference]: Without dead ends: 26 [2021-11-07 01:35:24,757 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:35:24,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-07 01:35:24,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2021-11-07 01:35:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-11-07 01:35:24,762 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 13 [2021-11-07 01:35:24,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:24,763 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-07 01:35:24,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:24,763 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-07 01:35:24,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:35:24,764 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:24,764 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:24,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:24,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:24,981 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:24,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:24,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1506151399, now seen corresponding path program 4 times [2021-11-07 01:35:24,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:24,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169127374] [2021-11-07 01:35:24,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:24,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:25,797 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:25,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:25,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169127374] [2021-11-07 01:35:25,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169127374] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:25,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967995685] [2021-11-07 01:35:25,797 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:35:25,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:25,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:25,799 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:25,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:35:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:25,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-07 01:35:25,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:25,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:35:25,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:35:25,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:25,990 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 24 treesize of output 23 [2021-11-07 01:35:26,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:26,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 53 [2021-11-07 01:35:26,052 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-07 01:35:26,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 64 [2021-11-07 01:35:26,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-11-07 01:35:26,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:26,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-11-07 01:35:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:26,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:26,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2021-11-07 01:35:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:26,558 INFO L354 Elim1Store]: treesize reduction 57, result has 10.9 percent of original size [2021-11-07 01:35:26,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 43 [2021-11-07 01:35:26,839 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:35:26,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 49 [2021-11-07 01:35:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:26,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:27,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967995685] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:27,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [997087114] [2021-11-07 01:35:27,777 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:35:27,778 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:27,778 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:27,778 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:27,779 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:27,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:27,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:27,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:27,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:35:27,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:27,810 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_25|], 21=[|v_#valid_34|]} [2021-11-07 01:35:27,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:35:27,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:27,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:27,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:27,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:35:27,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:27,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:27,856 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:27,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:35:27,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:27,864 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:35:27,871 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:35:27,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:27,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:27,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:27,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:35:27,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:27,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:27,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:35:27,886 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_26|], 28=[|v_#valid_35|]} [2021-11-07 01:35:27,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:27,981 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:35:27,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:35:27,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:27,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:27,984 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:27,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:35:27,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:27,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:27,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:27,994 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:27,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,050 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:35:28,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:35:28,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:28,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:28,057 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,080 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 [2021-11-07 01:35:28,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:28,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:28,084 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:35:28,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,100 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:35:28,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:28,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:35:28,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:35:28,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:28,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:28,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:35:28,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,150 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2021-11-07 01:35:28,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:28,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:35:28,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:35:28,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-11-07 01:35:28,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-07 01:35:28,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:35:28,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:28,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:28,348 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:28,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2021-11-07 01:35:28,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:28,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:28,380 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,465 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.3 percent of original size [2021-11-07 01:35:28,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2021-11-07 01:35:28,477 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:28,477 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:540, output treesize:406 [2021-11-07 01:35:28,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,565 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:35:28,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:28,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:35:28,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:35:28,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:28,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:28,579 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:35:28,585 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,586 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:35:28,592 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:28,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:28,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:28,601 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:35:28,630 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:35:28,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:35:28,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,637 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:35:28,638 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:35:28,639 INFO L180 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size [2021-11-07 01:35:28,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:35:28,640 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:35:28,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,646 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:35:28,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:35:28,648 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,648 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:35:28,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,676 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:35:28,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:35:28,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:35:28,728 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:35:28,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:35:28,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,736 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:35:28,737 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:35:28,738 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:35:28,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:28,740 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:35:28,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:35:28,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,747 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:35:28,754 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:28,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:28,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:28,763 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:35:28,794 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:35:28,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:35:28,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:35:28,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:35:28,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:35:28,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:35:28,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,809 INFO L628 ElimStorePlain]: treesize reduction 25, result has 74.2 percent of original size [2021-11-07 01:35:28,811 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:35:28,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:28,813 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,813 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:35:28,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,839 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:35:28,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:28,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:35:28,890 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:35:28,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:35:28,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:28,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,898 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:35:28,900 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:35:28,901 INFO L180 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size [2021-11-07 01:35:28,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:35:28,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:35:28,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:28,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:35:28,910 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:28,911 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:107 [2021-11-07 01:35:28,918 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:28,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:28,926 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:29,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:29,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:29,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2021-11-07 01:35:29,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997555870] [2021-11-07 01:35:29,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-07 01:35:29,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:29,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-07 01:35:29,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1062, Unknown=0, NotChecked=0, Total=1190 [2021-11-07 01:35:29,777 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 30 states, 30 states have (on average 1.1) internal successors, (33), 30 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) [2021-11-07 01:35:34,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:34,944 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2021-11-07 01:35:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 01:35:34,945 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.1) internal successors, (33), 30 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 14 [2021-11-07 01:35:34,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:34,946 INFO L225 Difference]: With dead ends: 69 [2021-11-07 01:35:34,947 INFO L226 Difference]: Without dead ends: 60 [2021-11-07 01:35:34,949 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 16 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=383, Invalid=2923, Unknown=0, NotChecked=0, Total=3306 [2021-11-07 01:35:34,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-11-07 01:35:34,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 30. [2021-11-07 01:35:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2021-11-07 01:35:34,961 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2021-11-07 01:35:34,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:34,962 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-11-07 01:35:34,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.1) internal successors, (33), 30 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) [2021-11-07 01:35:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-11-07 01:35:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 01:35:34,963 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:34,964 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:35,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:35,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2021-11-07 01:35:35,178 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:35,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:35,179 INFO L85 PathProgramCache]: Analyzing trace with hash -666372015, now seen corresponding path program 5 times [2021-11-07 01:35:35,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:35,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035163827] [2021-11-07 01:35:35,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:35,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:35,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:35:35,276 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:35,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035163827] [2021-11-07 01:35:35,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035163827] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:35,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695291796] [2021-11-07 01:35:35,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:35:35,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:35,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:35,278 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:35,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:35:35,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:35:35,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:35:35,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:35:35,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:35,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:35:35,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:35:35,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695291796] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:35,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [941597743] [2021-11-07 01:35:35,652 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:35:35,652 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:35,653 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:35,653 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:35,653 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:35,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:35,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:35:35,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:35,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:35,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:35,666 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_28|], 21=[|v_#valid_37|]} [2021-11-07 01:35:35,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:35:35,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:35,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:35,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:35,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:35,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:35:35,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:35,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:35,707 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:35,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:35,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:35:35,714 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:35,714 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:35:35,721 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:35:35,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:35,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:35:35,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:35,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:35,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:35,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:35,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:35:35,735 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_29|], 28=[|v_#valid_38|]} [2021-11-07 01:35:35,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:35:35,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:35,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:35,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:35,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,779 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:35:35,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:35:35,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:35,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:35,784 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:35,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:35,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,841 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:35:35,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:35:35,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:35,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:35,849 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:35,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:35,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,871 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 [2021-11-07 01:35:35,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:35,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:35,875 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:35,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:35,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:35:35,892 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:35,892 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:35:35,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:35,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:35,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:35:35,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:35,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:35:35,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:35,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:35,926 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:35,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:35,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:35,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:35:35,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:35,944 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:35:35,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:35,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:35,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:36,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:36,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-07 01:35:36,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 375 [2021-11-07 01:35:36,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 457 [2021-11-07 01:35:36,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:36,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:36,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:36,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:36,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:36,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:35:36,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:35:36,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:35:36,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:36,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:36,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:36,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:36,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:35:36,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:36,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:36,202 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:36,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,276 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:35:36,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:35:36,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:36,284 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:35:36,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,355 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:35:36,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:36,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:35:36,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:35:36,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:36,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:36,368 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:36,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,372 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:35:36,375 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:36,375 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:35:36,381 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:36,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:36,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:35:36,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:35:36,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:36,422 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:35:36,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:35:36,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,425 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,429 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:35:36,430 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:35:36,431 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:35:36,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:35:36,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:35:36,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:35:36,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:36,462 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:35:36,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,517 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:35:36,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:35:36,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:35:36,569 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:35:36,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:35:36,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,582 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:35:36,584 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:35:36,589 INFO L180 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-11-07 01:35:36,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:36,591 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:35:36,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:35:36,609 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:36,610 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:35:36,618 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:36,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:36,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:36,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:35:36,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:36,667 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:35:36,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:35:36,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:35:36,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:35:36,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:35:36,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:35:36,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,691 INFO L628 ElimStorePlain]: treesize reduction 37, result has 68.1 percent of original size [2021-11-07 01:35:36,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:35:36,695 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:36,696 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:79 [2021-11-07 01:35:36,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,745 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:35:36,747 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:36,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:35:36,789 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:35:36,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:35:36,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:36,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,801 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:35:36,803 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:35:36,804 INFO L180 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size [2021-11-07 01:35:36,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:35:36,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:35:36,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:36,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:36,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:35:36,814 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:36,814 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:107 [2021-11-07 01:35:36,821 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:36,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:36,829 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:37,440 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:37,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:37,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-07 01:35:37,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152158671] [2021-11-07 01:35:37,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:35:37,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:37,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:35:37,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:35:37,443 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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) [2021-11-07 01:35:37,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:37,834 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2021-11-07 01:35:37,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:35:37,834 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 15 [2021-11-07 01:35:37,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:37,835 INFO L225 Difference]: With dead ends: 59 [2021-11-07 01:35:37,835 INFO L226 Difference]: Without dead ends: 51 [2021-11-07 01:35:37,836 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=127, Invalid=473, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:35:37,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-07 01:35:37,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 32. [2021-11-07 01:35:37,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 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) [2021-11-07 01:35:37,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2021-11-07 01:35:37,846 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2021-11-07 01:35:37,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:37,847 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-11-07 01:35:37,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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) [2021-11-07 01:35:37,847 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2021-11-07 01:35:37,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:35:37,848 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:37,849 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:37,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:38,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:38,077 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:38,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:38,077 INFO L85 PathProgramCache]: Analyzing trace with hash 648069560, now seen corresponding path program 6 times [2021-11-07 01:35:38,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:38,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609701535] [2021-11-07 01:35:38,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:38,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:39,055 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:39,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609701535] [2021-11-07 01:35:39,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609701535] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:39,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707403638] [2021-11-07 01:35:39,055 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:35:39,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:39,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:39,057 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:39,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:35:39,246 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:35:39,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:35:39,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-07 01:35:39,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:39,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:35:39,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:35:39,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,301 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 19 treesize of output 18 [2021-11-07 01:35:39,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-11-07 01:35:39,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 30 [2021-11-07 01:35:39,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2021-11-07 01:35:39,450 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-07 01:35:39,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 87 [2021-11-07 01:35:39,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 53 [2021-11-07 01:35:39,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:39,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2021-11-07 01:35:39,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:39,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:39,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 52 [2021-11-07 01:35:40,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:40,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:40,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:40,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:40,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 60 [2021-11-07 01:35:40,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:40,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:40,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 54 [2021-11-07 01:35:40,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:40,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:40,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:40,478 INFO L354 Elim1Store]: treesize reduction 211, result has 22.1 percent of original size [2021-11-07 01:35:40,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 86 treesize of output 98 [2021-11-07 01:35:40,759 INFO L354 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2021-11-07 01:35:40,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 56 [2021-11-07 01:35:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:40,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:56,254 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~0_190 Int)) (or (= (+ c_~N~0 1) (select (let ((.cse1 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_190 8))) (.cse0 (let ((.cse6 (* c_ULTIMATE.start_main_~i~0 8))) (let ((.cse3 (+ .cse6 c_ULTIMATE.start_main_~a~0.offset 8)) (.cse2 (let ((.cse4 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse5 (+ .cse6 c_ULTIMATE.start_main_~a~0.offset))) (store .cse4 .cse5 (+ (select .cse4 .cse5) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))))) (store .cse2 .cse3 (+ (select .cse2 .cse3) (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse2) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|))))))) (store .cse0 .cse1 (+ (select .cse0 .cse1) (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse0) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))) c_ULTIMATE.start_main_~a~0.offset)) (< v_ULTIMATE.start_main_~i~0_190 (+ c_ULTIMATE.start_main_~i~0 2)))) is different from false [2021-11-07 01:35:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2021-11-07 01:35:59,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707403638] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:59,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [451354710] [2021-11-07 01:35:59,300 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:35:59,301 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:59,301 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:59,301 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:59,302 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:59,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:59,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:35:59,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:59,313 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_31|], 21=[|v_#valid_41|]} [2021-11-07 01:35:59,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:35:59,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:59,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:59,325 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:35:59,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:59,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:59,363 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:35:59,370 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,371 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:35:59,377 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:35:59,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:35:59,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:59,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:59,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:35:59,390 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_32|], 28=[|v_#valid_42|]} [2021-11-07 01:35:59,398 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:35:59,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:59,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:59,401 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,436 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:35:59,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:35:59,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:59,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:35:59,441 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,507 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:35:59,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:35:59,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:59,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:59,513 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,535 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 [2021-11-07 01:35:59,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:59,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:35:59,538 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:35:59,553 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,553 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:35:59,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:35:59,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:35:59,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:35:59,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:59,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:59,584 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,593 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:35:59,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,600 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2021-11-07 01:35:59,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:35:59,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:59,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:35:59,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-11-07 01:35:59,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-07 01:35:59,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2021-11-07 01:35:59,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:59,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:59,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:59,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:35:59,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:59,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:59,801 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,872 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.3 percent of original size [2021-11-07 01:35:59,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2021-11-07 01:35:59,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:59,880 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:540, output treesize:406 [2021-11-07 01:35:59,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,962 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:35:59,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:35:59,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:35:59,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:35:59,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:59,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:35:59,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:59,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:35:59,980 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:59,981 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:35:59,987 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:35:59,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:35:59,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:59,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:59,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:00,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:36:00,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:00,039 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:36:00,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:36:00,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:00,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,045 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:36:00,046 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:36:00,047 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:36:00,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:00,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:36:00,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:36:00,055 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:00,055 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:36:00,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,084 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:36:00,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:00,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:00,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:36:00,134 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:36:00,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:36:00,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:00,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,140 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:36:00,141 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:36:00,142 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:36:00,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:00,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:36:00,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:36:00,151 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:00,151 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:36:00,158 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:00,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:00,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:00,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:00,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:36:00,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:00,196 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:36:00,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:36:00,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:00,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:00,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:00,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:00,204 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:36:00,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,208 INFO L628 ElimStorePlain]: treesize reduction 25, result has 76.0 percent of original size [2021-11-07 01:36:00,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:36:00,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:00,212 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:79 [2021-11-07 01:36:00,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,237 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:36:00,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:00,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:00,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:00,284 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:36:00,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:36:00,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:00,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:36:00,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:36:00,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:36:00,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:36:00,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:00,300 INFO L628 ElimStorePlain]: treesize reduction 46, result has 65.9 percent of original size [2021-11-07 01:36:00,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:00,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:36:00,303 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:00,304 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:89 [2021-11-07 01:36:00,310 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:00,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:00,318 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:01,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:01,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:01,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 39 [2021-11-07 01:36:01,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988960653] [2021-11-07 01:36:01,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-07 01:36:01,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:01,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-07 01:36:01,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1561, Unknown=10, NotChecked=82, Total=1892 [2021-11-07 01:36:01,159 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:18,555 WARN L207 SmtUtils]: Spent 6.23 s on a formula simplification that was a NOOP. DAG size: 226 [2021-11-07 01:36:29,663 WARN L207 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 193 [2021-11-07 01:37:57,476 WARN L207 SmtUtils]: Spent 44.98 s on a formula simplification. DAG size of input: 204 DAG size of output: 190 [2021-11-07 01:38:04,881 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~N~0 1)) (.cse1 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (and (= .cse0 (select (let ((.cse2 (+ (* c_ULTIMATE.start_main_~i~0 8) c_ULTIMATE.start_main_~a~0.offset))) (store .cse1 .cse2 (+ (select .cse1 .cse2) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))) c_ULTIMATE.start_main_~a~0.offset)) (forall ((v_ULTIMATE.start_main_~i~0_190 Int)) (or (= (+ c_~N~0 1) (select (let ((.cse4 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_190 8))) (.cse3 (let ((.cse5 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse6 (+ (* c_ULTIMATE.start_main_~i~0 8) c_ULTIMATE.start_main_~a~0.offset))) (store .cse5 .cse6 (+ (select .cse5 .cse6) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))))) (store .cse3 .cse4 (+ (select .cse3 .cse4) (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse3) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))) c_ULTIMATE.start_main_~a~0.offset)) (< v_ULTIMATE.start_main_~i~0_190 (+ c_ULTIMATE.start_main_~i~0 1)))) (= .cse0 (select .cse1 c_ULTIMATE.start_main_~a~0.offset)))) is different from false [2021-11-07 01:38:15,700 WARN L207 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 245 DAG size of output: 54 [2021-11-07 01:40:02,638 WARN L207 SmtUtils]: Spent 59.11 s on a formula simplification. DAG size of input: 181 DAG size of output: 178 [2021-11-07 01:40:34,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:34,205 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2021-11-07 01:40:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 01:40:34,206 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 39 states have internal predecessors, (43), 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 17 [2021-11-07 01:40:34,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:34,208 INFO L225 Difference]: With dead ends: 91 [2021-11-07 01:40:34,208 INFO L226 Difference]: Without dead ends: 82 [2021-11-07 01:40:34,212 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 18 SyntacticMatches, 7 SemanticMatches, 69 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1319 ImplicationChecksByTransitivity, 271.3s TimeCoverageRelationStatistics Valid=633, Invalid=4026, Unknown=41, NotChecked=270, Total=4970 [2021-11-07 01:40:34,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-07 01:40:34,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 58. [2021-11-07 01:40:34,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 57 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2021-11-07 01:40:34,236 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 17 [2021-11-07 01:40:34,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:34,236 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-11-07 01:40:34,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:34,237 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2021-11-07 01:40:34,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:40:34,238 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:34,238 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:34,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:34,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-11-07 01:40:34,439 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:40:34,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:34,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1807999722, now seen corresponding path program 1 times [2021-11-07 01:40:34,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:40:34,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238830696] [2021-11-07 01:40:34,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:34,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:40:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:40:34,548 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:40:34,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238830696] [2021-11-07 01:40:34,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238830696] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:40:34,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722274656] [2021-11-07 01:40:34,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:34,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:40:34,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:40:34,550 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:40:34,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 01:40:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:34,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:40:34,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:40:34,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:40:35,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722274656] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:40:35,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1758364459] [2021-11-07 01:40:35,005 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-07 01:40:35,005 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:40:35,005 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:40:35,006 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:40:35,006 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:40:35,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,013 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:40:35,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:40:35,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:40:35,019 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_34|], 21=[|v_#valid_44|]} [2021-11-07 01:40:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:40:35,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:40:35,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:40:35,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:40:35,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:40:35,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:40:35,061 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:40:35,066 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,066 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:40:35,074 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:40:35,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:40:35,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:40:35,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:40:35,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:40:35,083 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_35|], 28=[|v_#valid_45|]} [2021-11-07 01:40:35,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,134 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:40:35,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:40:35,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:40:35,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:40:35,138 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:40:35,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:40:35,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:40:35,149 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,201 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:40:35,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:40:35,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:40:35,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:40:35,206 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,225 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 [2021-11-07 01:40:35,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:40:35,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:40:35,228 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:40:35,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,246 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:40:35,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:40:35,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:40:35,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:40:35,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:40:35,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:40:35,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:40:35,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,289 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:40:35,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,381 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:40:35,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:40:35,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-07 01:40:35,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 375 [2021-11-07 01:40:35,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 457 [2021-11-07 01:40:35,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:40:35,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:40:35,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:40:35,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:35,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:40:35,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:40:35,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:40:35,492 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,535 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:40:35,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:40:35,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:40:35,540 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:40:35,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,590 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:40:35,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:40:35,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:40:35,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:40:35,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:40:35,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:40:35,602 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:40:35,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,608 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:40:35,618 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:40:35,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:40:35,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:40:35,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:40:35,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:40:35,661 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:40:35,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:40:35,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,667 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:40:35,668 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:40:35,669 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:40:35,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:40:35,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:40:35,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:40:35,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,677 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:40:35,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,701 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:40:35,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:40:35,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:40:35,749 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:40:35,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:40:35,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:40:35,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:40:35,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:40:35,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:40:35,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,763 INFO L628 ElimStorePlain]: treesize reduction 33, result has 71.8 percent of original size [2021-11-07 01:40:35,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:40:35,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,765 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:40:35,769 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:40:35,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:40:35,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:40:35,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:40:35,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:40:35,813 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:40:35,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:40:35,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:40:35,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:40:35,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:40:35,822 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:40:35,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,826 INFO L628 ElimStorePlain]: treesize reduction 37, result has 68.1 percent of original size [2021-11-07 01:40:35,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:40:35,829 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,829 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:79 [2021-11-07 01:40:35,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,852 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:40:35,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:40:35,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:40:35,899 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:40:35,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:40:35,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:35,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,906 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:40:35,907 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:40:35,909 INFO L180 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size [2021-11-07 01:40:35,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:40:35,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:40:35,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:40:35,916 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:35,917 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:107 [2021-11-07 01:40:35,923 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:40:35,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:40:35,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:40:35,935 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.2 percent of original size [2021-11-07 01:40:35,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:40:35,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:35,973 INFO L180 QuantifierPusher]: treesize reduction 48, result has 61.6 percent of original size [2021-11-07 01:40:35,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:40:35,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:35,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:40:35,992 INFO L180 QuantifierPusher]: treesize reduction 48, result has 61.6 percent of original size [2021-11-07 01:40:35,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:40:35,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:36,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:36,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:36,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:36,033 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:40:37,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:40:37,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:40:37,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-07 01:40:37,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650723579] [2021-11-07 01:40:37,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:40:37,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:40:37,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:40:37,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:40:37,027 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:37,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:37,205 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2021-11-07 01:40:37,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:40:37,206 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 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 18 [2021-11-07 01:40:37,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:37,207 INFO L225 Difference]: With dead ends: 90 [2021-11-07 01:40:37,207 INFO L226 Difference]: Without dead ends: 69 [2021-11-07 01:40:37,208 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:40:37,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-07 01:40:37,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 52. [2021-11-07 01:40:37,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:37,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2021-11-07 01:40:37,228 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 66 transitions. Word has length 18 [2021-11-07 01:40:37,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:37,228 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 66 transitions. [2021-11-07 01:40:37,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:37,229 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2021-11-07 01:40:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:40:37,230 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:37,230 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:37,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:37,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable224 [2021-11-07 01:40:37,431 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:40:37,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:37,431 INFO L85 PathProgramCache]: Analyzing trace with hash 105129412, now seen corresponding path program 7 times [2021-11-07 01:40:37,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:40:37,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676188895] [2021-11-07 01:40:37,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:37,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:40:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:40:37,564 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:40:37,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676188895] [2021-11-07 01:40:37,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676188895] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:40:37,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799857663] [2021-11-07 01:40:37,565 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:40:37,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:40:37,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:40:37,567 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:40:37,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:40:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:37,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:40:37,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:40:38,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:40:38,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799857663] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:40:38,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [889395573] [2021-11-07 01:40:38,097 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:40:38,097 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:40:38,098 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:40:38,098 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:40:38,098 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:40:38,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:40:38,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:40:38,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:40:38,111 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_37|], 21=[|v_#valid_47|]} [2021-11-07 01:40:38,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:40:38,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:40:38,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:40:38,126 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:40:38,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:40:38,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:40:38,153 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:40:38,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,157 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:40:38,163 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:40:38,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:40:38,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:40:38,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:40:38,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:40:38,174 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_38|], 28=[|v_#valid_48|]} [2021-11-07 01:40:38,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:40:38,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:40:38,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:40:38,186 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,237 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:40:38,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:40:38,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:40:38,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:40:38,241 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,308 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:40:38,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:40:38,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:40:38,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:40:38,314 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,340 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 [2021-11-07 01:40:38,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:40:38,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:40:38,343 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:40:38,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,357 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:40:38,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:40:38,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:40:38,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:40:38,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:40:38,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:40:38,393 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:40:38,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,408 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2021-11-07 01:40:38,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:40:38,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:40:38,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:40:38,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-11-07 01:40:38,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-07 01:40:38,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2021-11-07 01:40:38,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:40:38,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:40:38,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:38,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:40:38,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:40:38,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:40:38,630 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,689 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.3 percent of original size [2021-11-07 01:40:38,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2021-11-07 01:40:38,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:40:38,697 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:540, output treesize:406 [2021-11-07 01:40:38,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,791 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:40:38,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:40:38,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:40:38,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:40:38,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:40:38,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:40:38,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:40:38,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:40:38,815 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:40:38,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:40:38,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:40:38,822 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:40:38,849 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:40:38,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:40:38,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,860 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,862 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:40:38,863 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:40:38,864 INFO L180 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size [2021-11-07 01:40:38,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:40:38,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:40:38,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,867 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:40:38,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:40:38,868 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,869 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:40:38,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,884 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:40:38,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:40:38,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:40:38,927 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:40:38,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:40:38,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:40:38,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:40:38,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:40:38,944 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:40:38,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:38,947 INFO L628 ElimStorePlain]: treesize reduction 34, result has 71.2 percent of original size [2021-11-07 01:40:38,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:40:38,949 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:38,949 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:40:38,960 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:40:38,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:40:38,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:38,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:38,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:40:38,969 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:40:38,999 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:40:39,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:40:39,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:39,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:39,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:39,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:40:39,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:40:39,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:39,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:40:39,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:40:39,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:39,011 INFO L628 ElimStorePlain]: treesize reduction 25, result has 74.2 percent of original size [2021-11-07 01:40:39,013 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:40:39,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:40:39,015 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:39,015 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:40:39,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:39,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:39,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:39,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:39,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:39,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:39,034 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:40:39,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:39,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:39,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:40:39,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:40:39,082 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:40:39,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:40:39,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:39,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:40:39,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:39,092 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:40:39,094 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:40:39,095 INFO L180 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size [2021-11-07 01:40:39,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:40:39,096 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:40:39,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:39,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:39,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:40:39,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:40:39,102 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:40:39,102 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:107 [2021-11-07 01:40:39,109 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:40:39,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:40:39,117 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:40:39,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:40:39,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:40:39,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-07 01:40:39,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872195938] [2021-11-07 01:40:39,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:40:39,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:40:39,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:40:39,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:40:39,640 INFO L87 Difference]: Start difference. First operand 52 states and 66 transitions. Second operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:40,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:40,059 INFO L93 Difference]: Finished difference Result 95 states and 113 transitions. [2021-11-07 01:40:40,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 01:40:40,060 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:40:40,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:40,061 INFO L225 Difference]: With dead ends: 95 [2021-11-07 01:40:40,061 INFO L226 Difference]: Without dead ends: 80 [2021-11-07 01:40:40,062 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:40:40,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-07 01:40:40,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 43. [2021-11-07 01:40:40,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 42 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2021-11-07 01:40:40,077 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 19 [2021-11-07 01:40:40,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:40,077 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2021-11-07 01:40:40,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:40,078 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2021-11-07 01:40:40,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 01:40:40,079 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:40,079 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:40,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:40,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable269 [2021-11-07 01:40:40,280 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:40:40,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:40,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1292243271, now seen corresponding path program 8 times [2021-11-07 01:40:40,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:40:40,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793112751] [2021-11-07 01:40:40,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:40,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:40:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:41,516 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:40:41,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793112751] [2021-11-07 01:40:41,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793112751] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:40:41,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404276758] [2021-11-07 01:40:41,517 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:40:41,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:40:41,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:40:41,521 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:40:41,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c187d9-a50c-4805-ba54-c35dfe39f40c/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:40:41,853 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:40:41,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:40:41,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 01:40:41,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:41,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:40:41,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:41,945 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 19 treesize of output 18 [2021-11-07 01:40:42,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2021-11-07 01:40:42,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-07 01:40:42,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-11-07 01:40:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-11-07 01:40:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 59 [2021-11-07 01:40:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 61 [2021-11-07 01:40:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:42,890 INFO L354 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2021-11-07 01:40:42,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 81 treesize of output 80 [2021-11-07 01:40:43,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,208 INFO L354 Elim1Store]: treesize reduction 85, result has 11.5 percent of original size [2021-11-07 01:40:43,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 81 treesize of output 80 [2021-11-07 01:40:43,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,406 INFO L354 Elim1Store]: treesize reduction 89, result has 11.0 percent of original size [2021-11-07 01:40:43,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 91 treesize of output 82 [2021-11-07 01:40:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:43,730 INFO L354 Elim1Store]: treesize reduction 260, result has 21.2 percent of original size [2021-11-07 01:40:43,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 104 treesize of output 122 [2021-11-07 01:40:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:44,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:44,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:44,315 INFO L354 Elim1Store]: treesize reduction 320, result has 30.0 percent of original size [2021-11-07 01:40:44,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 156 treesize of output 218 [2021-11-07 01:41:33,560 INFO L354 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2021-11-07 01:41:33,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 230 treesize of output 148 [2021-11-07 01:41:33,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:33,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:34,746 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~i~0 Int)) (or (= (+ c_~N~0 1) (select (let ((.cse0 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse1 (+ (* ULTIMATE.start_main_~i~0 8) c_ULTIMATE.start_main_~a~0.offset))) (store .cse0 .cse1 (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))) c_ULTIMATE.start_main_~a~0.offset)) (< (+ ULTIMATE.start_main_~i~0 1) c_~N~0))) is different from false [2021-11-07 01:42:40,918 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~0_294 Int) (v_ULTIMATE.start_main_~i~0_293 Int)) (or (< v_ULTIMATE.start_main_~i~0_294 (+ c_ULTIMATE.start_main_~i~0 2)) (< (+ v_ULTIMATE.start_main_~i~0_293 1) c_~N~0) (= (select (let ((.cse1 (+ (* v_ULTIMATE.start_main_~i~0_293 8) c_ULTIMATE.start_main_~a~0.offset)) (.cse0 (let ((.cse2 (let ((.cse8 (* c_ULTIMATE.start_main_~i~0 8))) (let ((.cse5 (+ .cse8 c_ULTIMATE.start_main_~a~0.offset 8)) (.cse4 (let ((.cse6 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse7 (+ .cse8 c_ULTIMATE.start_main_~a~0.offset))) (store .cse6 .cse7 (+ (select .cse6 .cse7) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))))) (store .cse4 .cse5 (+ (select .cse4 .cse5) (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse4) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))))) (.cse3 (+ (* v_ULTIMATE.start_main_~i~0_294 8) c_ULTIMATE.start_main_~a~0.offset))) (store .cse2 .cse3 (+ (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse2) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) (select .cse2 .cse3)))))) (store .cse0 .cse1 (+ (select .cse0 .cse1) (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse0) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))) c_ULTIMATE.start_main_~a~0.offset) (+ c_~N~0 1)))) is different from false [2021-11-07 01:47:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 1 times theorem prover too weak. 0 trivial. 7 not checked. [2021-11-07 01:47:22,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404276758] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:22,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1892359840] [2021-11-07 01:47:22,192 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:47:22,192 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:22,192 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:22,192 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:22,193 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:22,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:22,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:22,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:47:22,212 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_40|], 21=[|v_#valid_50|]} [2021-11-07 01:47:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:47:22,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:22,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:22,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:47:22,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:22,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:22,253 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:22,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,260 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:47:22,267 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:47:22,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:22,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:22,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:22,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:47:22,280 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_41|], 28=[|v_#valid_51|]} [2021-11-07 01:47:22,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:47:22,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:22,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:22,291 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,324 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:47:22,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:47:22,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:22,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:22,327 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,380 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:47:22,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:47:22,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:22,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:22,397 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,415 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 [2021-11-07 01:47:22,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:22,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:22,418 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:47:22,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,428 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:47:22,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:22,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:47:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:22,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:22,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:22,454 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:47:22,466 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,466 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:47:22,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:47:22,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:22,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-07 01:47:22,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 375 [2021-11-07 01:47:22,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 457 [2021-11-07 01:47:22,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:47:22,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:47:22,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:47:22,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:22,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:22,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:22,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:22,641 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,695 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:47:22,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:47:22,702 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:22,702 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:47:22,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,758 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:47:22,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:22,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:47:22,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:22,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:22,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:22,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:47:22,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,773 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:47:22,780 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:22,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:22,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:22,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:47:22,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:22,822 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:47:22,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:47:22,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:22,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:22,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:22,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:47:22,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,835 INFO L628 ElimStorePlain]: treesize reduction 31, result has 70.5 percent of original size [2021-11-07 01:47:22,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 01:47:22,841 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,842 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:74 [2021-11-07 01:47:22,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,866 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:47:22,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:22,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:47:22,926 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:47:22,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:47:22,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,933 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:47:22,934 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:47:22,935 INFO L180 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-11-07 01:47:22,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:47:22,937 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:47:22,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:22,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:47:22,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:22,944 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:47:22,951 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:22,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:22,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:22,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:22,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:47:22,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:47:22,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:23,002 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:47:23,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:47:23,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:47:23,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:47:23,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:47:23,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:47:23,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,011 INFO L628 ElimStorePlain]: treesize reduction 36, result has 68.7 percent of original size [2021-11-07 01:47:23,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:47:23,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,015 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:79 [2021-11-07 01:47:23,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,039 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:47:23,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:47:23,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:47:23,098 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:47:23,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:47:23,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:47:23,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:47:23,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:47:23,109 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:47:23,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,113 INFO L628 ElimStorePlain]: treesize reduction 47, result has 65.4 percent of original size [2021-11-07 01:47:23,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:47:23,117 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,117 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:89 [2021-11-07 01:47:23,124 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:23,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:23,133 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:26,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:26,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:26,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 52 [2021-11-07 01:47:26,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901530753] [2021-11-07 01:47:26,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2021-11-07 01:47:26,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:26,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-11-07 01:47:26,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=2615, Unknown=115, NotChecked=214, Total=3192 [2021-11-07 01:47:26,199 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 52 states, 52 states have (on average 1.0576923076923077) internal successors, (55), 52 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:48,201 WARN L207 SmtUtils]: Spent 20.63 s on a formula simplification. DAG size of input: 122 DAG size of output: 94 [2021-11-07 01:48:01,583 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (let ((.cse48 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse3 (select .cse0 c_ULTIMATE.start_main_~a~0.offset))) (let ((.cse2 (+ c_~N~0 1)) (.cse47 (+ .cse48 .cse3)) (.cse1 (< c_ULTIMATE.start_main_~i~0 c_~N~0))) (and (not (= |c_ULTIMATE.start_main_~#sum~0.base| c_ULTIMATE.start_main_~a~0.base)) (= (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset 16)) 1) (or .cse1 (= .cse2 .cse3)) (<= c_~N~0 4) (or (forall ((v_ULTIMATE.start_main_~i~0_294 Int) (v_ULTIMATE.start_main_~i~0_293 Int)) (or (< v_ULTIMATE.start_main_~i~0_294 2) (< (+ v_ULTIMATE.start_main_~i~0_293 1) c_~N~0) (= (+ c_~N~0 1) (select (let ((.cse5 (+ (* v_ULTIMATE.start_main_~i~0_293 8) c_ULTIMATE.start_main_~a~0.offset)) (.cse4 (let ((.cse6 (let ((.cse8 (let ((.cse10 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (store .cse10 c_ULTIMATE.start_main_~a~0.offset (+ (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) (select .cse10 c_ULTIMATE.start_main_~a~0.offset))))) (.cse9 (+ c_ULTIMATE.start_main_~a~0.offset 8))) (store .cse8 .cse9 (+ (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse8) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) (select .cse8 .cse9))))) (.cse7 (+ (* v_ULTIMATE.start_main_~i~0_294 8) c_ULTIMATE.start_main_~a~0.offset))) (store .cse6 .cse7 (+ (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse6) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) (select .cse6 .cse7)))))) (store .cse4 .cse5 (+ (select .cse4 .cse5) (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse4) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))) c_ULTIMATE.start_main_~a~0.offset)))) .cse1) (forall ((v_ULTIMATE.start_main_~i~0_294 Int)) (or (< v_ULTIMATE.start_main_~i~0_294 2) (and (forall ((v_ULTIMATE.start_main_~i~0_299 Int) (v_ULTIMATE.start_main_~i~0_293 Int)) (let ((.cse11 (+ c_ULTIMATE.start_main_~i~0 2))) (or (<= (+ c_ULTIMATE.start_main_~i~0 4) v_ULTIMATE.start_main_~i~0_299) (<= v_ULTIMATE.start_main_~i~0_299 .cse11) (<= (+ v_ULTIMATE.start_main_~i~0_299 2) (select (let ((.cse27 (let ((.cse28 (* c_ULTIMATE.start_main_~i~0 8))) (store (store (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ .cse28 c_ULTIMATE.start_main_~a~0.offset) 1) (+ .cse28 c_ULTIMATE.start_main_~a~0.offset 8) 1) (+ .cse28 c_ULTIMATE.start_main_~a~0.offset 16) 1) (+ .cse28 c_ULTIMATE.start_main_~a~0.offset 24) 1)))) (let ((.cse25 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse27))) (let ((.cse26 (select .cse25 |c_ULTIMATE.start_main_~#sum~0.base|))) (let ((.cse21 (select .cse27 c_ULTIMATE.start_main_~a~0.offset)) (.cse22 (select .cse26 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse18 (+ c_ULTIMATE.start_main_~a~0.offset 8))) (let ((.cse24 (select (select (store .cse25 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse26 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse21 .cse22))) c_ULTIMATE.start_main_~a~0.base) .cse18))) (let ((.cse20 (select (select (store .cse25 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse26 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse21 .cse22 .cse24))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 16)))) (let ((.cse23 (select (select (store .cse25 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse26 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse20 .cse21 .cse22 .cse24))) c_ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_299 8) c_ULTIMATE.start_main_~a~0.offset)))) (let ((.cse14 (store .cse25 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse26 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse20 .cse21 .cse22 .cse23 .cse24))))) (let ((.cse13 (+ (* v_ULTIMATE.start_main_~i~0_293 8) c_ULTIMATE.start_main_~a~0.offset)) (.cse12 (let ((.cse16 (+ (* v_ULTIMATE.start_main_~i~0_294 8) c_ULTIMATE.start_main_~a~0.offset)) (.cse15 (let ((.cse17 (let ((.cse19 (select .cse14 c_ULTIMATE.start_main_~a~0.base))) (store .cse19 c_ULTIMATE.start_main_~a~0.offset (+ .cse20 .cse21 .cse22 (select .cse19 c_ULTIMATE.start_main_~a~0.offset) .cse23 .cse24))))) (store .cse17 .cse18 (+ (select (select (store .cse14 c_ULTIMATE.start_main_~a~0.base .cse17) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) (select .cse17 .cse18)))))) (store .cse15 .cse16 (+ (select .cse15 .cse16) (select (select (store .cse14 c_ULTIMATE.start_main_~a~0.base .cse15) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))))) (store .cse12 .cse13 (+ (select .cse12 .cse13) (select (select (store .cse14 c_ULTIMATE.start_main_~a~0.base .cse12) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))))))))))) c_ULTIMATE.start_main_~a~0.offset)) (<= v_ULTIMATE.start_main_~i~0_293 .cse11)))) (forall ((v_ULTIMATE.start_main_~i~0_299 Int) (v_ULTIMATE.start_main_~i~0_293 Int)) (let ((.cse29 (+ c_ULTIMATE.start_main_~i~0 2))) (or (<= (+ c_ULTIMATE.start_main_~i~0 4) v_ULTIMATE.start_main_~i~0_299) (<= v_ULTIMATE.start_main_~i~0_299 .cse29) (<= (select (let ((.cse45 (let ((.cse46 (* c_ULTIMATE.start_main_~i~0 8))) (store (store (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ .cse46 c_ULTIMATE.start_main_~a~0.offset) 1) (+ .cse46 c_ULTIMATE.start_main_~a~0.offset 8) 1) (+ .cse46 c_ULTIMATE.start_main_~a~0.offset 16) 1) (+ .cse46 c_ULTIMATE.start_main_~a~0.offset 24) 1)))) (let ((.cse43 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse45))) (let ((.cse44 (select .cse43 |c_ULTIMATE.start_main_~#sum~0.base|))) (let ((.cse39 (select .cse45 c_ULTIMATE.start_main_~a~0.offset)) (.cse40 (select .cse44 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse36 (+ c_ULTIMATE.start_main_~a~0.offset 8))) (let ((.cse42 (select (select (store .cse43 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse44 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse39 .cse40))) c_ULTIMATE.start_main_~a~0.base) .cse36))) (let ((.cse38 (select (select (store .cse43 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse44 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse39 .cse40 .cse42))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 16)))) (let ((.cse41 (select (select (store .cse43 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse44 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse38 .cse39 .cse40 .cse42))) c_ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_299 8) c_ULTIMATE.start_main_~a~0.offset)))) (let ((.cse32 (store .cse43 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse44 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse38 .cse39 .cse40 .cse41 .cse42))))) (let ((.cse31 (+ (* v_ULTIMATE.start_main_~i~0_293 8) c_ULTIMATE.start_main_~a~0.offset)) (.cse30 (let ((.cse34 (+ (* v_ULTIMATE.start_main_~i~0_294 8) c_ULTIMATE.start_main_~a~0.offset)) (.cse33 (let ((.cse35 (let ((.cse37 (select .cse32 c_ULTIMATE.start_main_~a~0.base))) (store .cse37 c_ULTIMATE.start_main_~a~0.offset (+ .cse38 .cse39 .cse40 (select .cse37 c_ULTIMATE.start_main_~a~0.offset) .cse41 .cse42))))) (store .cse35 .cse36 (+ (select (select (store .cse32 c_ULTIMATE.start_main_~a~0.base .cse35) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) (select .cse35 .cse36)))))) (store .cse33 .cse34 (+ (select .cse33 .cse34) (select (select (store .cse32 c_ULTIMATE.start_main_~a~0.base .cse33) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))))) (store .cse30 .cse31 (+ (select .cse30 .cse31) (select (select (store .cse32 c_ULTIMATE.start_main_~a~0.base .cse30) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))))))))))) c_ULTIMATE.start_main_~a~0.offset) (+ v_ULTIMATE.start_main_~i~0_299 2)) (<= v_ULTIMATE.start_main_~i~0_293 .cse29))))))) (or (<= (+ c_ULTIMATE.start_main_~a~0.offset (* 8 c_ULTIMATE.start_main_~i~0) 1) (* 8 c_~N~0)) (and (<= .cse2 .cse47) (<= .cse47 .cse2))) (< 3 c_~N~0) (= 3 .cse48) (= c_ULTIMATE.start_main_~a~0.offset 0) (< (+ c_ULTIMATE.start_main_~a~0.base 1) |c_ULTIMATE.start_main_~#sum~0.base|) (or (and (<= .cse47 c_~N~0) (= (select .cse0 (+ (* c_ULTIMATE.start_main_~i~0 8) c_ULTIMATE.start_main_~a~0.offset)) 1) (<= c_~N~0 .cse47)) (<= (+ c_ULTIMATE.start_main_~i~0 2) c_~N~0)) (= .cse3 1) (= (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset 24)) 1) (or (forall ((v_ULTIMATE.start_main_~i~0_299 Int) (v_ULTIMATE.start_main_~i~0_294 Int) (v_ULTIMATE.start_main_~i~0_293 Int)) (or (< (+ v_ULTIMATE.start_main_~i~0_299 1) c_~N~0) (< v_ULTIMATE.start_main_~i~0_294 2) (= (+ c_~N~0 1) (select (let ((.cse62 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|))) (let ((.cse59 (select .cse62 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse61 (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) c_ULTIMATE.start_main_~a~0.offset)) (.cse55 (+ c_ULTIMATE.start_main_~a~0.offset 8))) (let ((.cse58 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base| (store .cse62 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse59 .cse61))) c_ULTIMATE.start_main_~a~0.base) .cse55))) (let ((.cse60 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base| (store .cse62 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse58 .cse59 .cse61))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 16)))) (let ((.cse57 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base| (store .cse62 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse58 .cse59 .cse60 .cse61))) c_ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_299 8) c_ULTIMATE.start_main_~a~0.offset)))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base| (store .cse62 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse57 .cse58 .cse59 .cse60 .cse61))))) (let ((.cse49 (let ((.cse53 (+ (* v_ULTIMATE.start_main_~i~0_294 8) c_ULTIMATE.start_main_~a~0.offset)) (.cse52 (let ((.cse54 (let ((.cse56 (select .cse51 c_ULTIMATE.start_main_~a~0.base))) (store .cse56 c_ULTIMATE.start_main_~a~0.offset (+ .cse57 .cse58 .cse59 (select .cse56 c_ULTIMATE.start_main_~a~0.offset) .cse60 .cse61))))) (store .cse54 .cse55 (+ (select (select (store .cse51 c_ULTIMATE.start_main_~a~0.base .cse54) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) (select .cse54 .cse55)))))) (store .cse52 .cse53 (+ (select .cse52 .cse53) (select (select (store .cse51 c_ULTIMATE.start_main_~a~0.base .cse52) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|))))) (.cse50 (+ (* v_ULTIMATE.start_main_~i~0_293 8) c_ULTIMATE.start_main_~a~0.offset))) (store .cse49 .cse50 (+ (select (select (store .cse51 c_ULTIMATE.start_main_~a~0.base .cse49) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) (select .cse49 .cse50)))))))))) c_ULTIMATE.start_main_~a~0.offset)) (<= c_~N~0 v_ULTIMATE.start_main_~i~0_299) (< (+ v_ULTIMATE.start_main_~i~0_293 1) c_~N~0))) .cse1) (= .cse48 (+ (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset 8)) 2)))))) is different from true [2021-11-07 01:48:19,464 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (and (exists ((v_ULTIMATE.start_main_~i~0_283 Int)) (and (<= c_~N~0 (+ v_ULTIMATE.start_main_~i~0_283 1)) (< v_ULTIMATE.start_main_~i~0_283 c_~N~0) (let ((.cse0 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (= (+ (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_283 8))) 4) (select .cse0 c_ULTIMATE.start_main_~a~0.offset))))) (= (select .cse1 (+ c_ULTIMATE.start_main_~a~0.offset 16)) 1) (= (+ (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) 1) (select .cse1 c_ULTIMATE.start_main_~a~0.offset)) (<= c_~N~0 4) (= (select .cse1 (+ c_ULTIMATE.start_main_~a~0.offset 8)) 1) (< 3 c_~N~0) (= c_ULTIMATE.start_main_~a~0.offset 0) (= c_ULTIMATE.start_main_~i~0 1) (< (+ c_ULTIMATE.start_main_~a~0.base 1) |c_ULTIMATE.start_main_~#sum~0.base|) (= (select .cse1 (+ c_ULTIMATE.start_main_~a~0.offset 24)) 1) (forall ((ULTIMATE.start_main_~i~0 Int)) (or (= (+ c_~N~0 1) (select (let ((.cse2 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse3 (+ (* ULTIMATE.start_main_~i~0 8) c_ULTIMATE.start_main_~a~0.offset))) (store .cse2 .cse3 (+ (select .cse2 .cse3) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))) c_ULTIMATE.start_main_~a~0.offset)) (< (+ ULTIMATE.start_main_~i~0 1) c_~N~0))))) is different from false [2021-11-07 01:48:20,555 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (+ (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) 1)) (.cse0 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (and (exists ((v_ULTIMATE.start_main_~i~0_283 Int)) (and (<= c_~N~0 (+ v_ULTIMATE.start_main_~i~0_283 1)) (< v_ULTIMATE.start_main_~i~0_283 c_~N~0) (= (+ (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_283 8))) 3) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))) (<= 2 c_ULTIMATE.start_main_~i~0) (= (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset 16)) 1) (= .cse1 (select .cse0 c_ULTIMATE.start_main_~a~0.offset)) (<= c_~N~0 4) (= .cse1 (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset 8))) (< 3 c_~N~0) (= c_ULTIMATE.start_main_~a~0.offset 0) (< (+ c_ULTIMATE.start_main_~a~0.base 1) |c_ULTIMATE.start_main_~#sum~0.base|) (= (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset 24)) 1) (forall ((ULTIMATE.start_main_~i~0 Int)) (or (= (+ c_~N~0 1) (select (let ((.cse2 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse3 (+ (* ULTIMATE.start_main_~i~0 8) c_ULTIMATE.start_main_~a~0.offset))) (store .cse2 .cse3 (+ (select .cse2 .cse3) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))) c_ULTIMATE.start_main_~a~0.offset)) (< (+ ULTIMATE.start_main_~i~0 1) c_~N~0))))) is different from false [2021-11-07 01:48:22,305 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse9 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|))) (let ((.cse2 (+ .cse9 1)) (.cse1 (select (let ((.cse12 (+ (* c_ULTIMATE.start_main_~i~0 8) c_ULTIMATE.start_main_~a~0.offset))) (store .cse3 .cse12 (+ (select .cse3 .cse12) .cse9))) 0)) (.cse0 (+ c_~N~0 1))) (and (<= .cse0 .cse1) (not (= |c_ULTIMATE.start_main_~#sum~0.base| c_ULTIMATE.start_main_~a~0.base)) (= .cse2 (select .cse3 c_ULTIMATE.start_main_~a~0.offset)) (exists ((v_ULTIMATE.start_main_~i~0_287 Int)) (let ((.cse6 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse8 (* 8 v_ULTIMATE.start_main_~i~0_287))) (let ((.cse5 (= .cse8 24)) (.cse4 (= (+ (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) 1) (select .cse6 (+ (* v_ULTIMATE.start_main_~i~0_287 8) c_ULTIMATE.start_main_~a~0.offset)))) (.cse7 (= .cse8 16))) (and (or .cse4 (not .cse5)) (or .cse5 (= (select .cse6 (+ c_ULTIMATE.start_main_~a~0.offset 24)) 1)) (or .cse4 (not .cse7)) (or .cse7 (= (select .cse6 (+ c_ULTIMATE.start_main_~a~0.offset 16)) 1)) (<= 2 v_ULTIMATE.start_main_~i~0_287))))) (<= c_~N~0 4) (= .cse2 (select .cse3 (+ c_ULTIMATE.start_main_~a~0.offset 8))) (<= .cse1 .cse0) (< 3 c_~N~0) (= c_ULTIMATE.start_main_~a~0.offset 0) (< (+ c_ULTIMATE.start_main_~a~0.base 1) |c_ULTIMATE.start_main_~#sum~0.base|) (= .cse9 4) (forall ((ULTIMATE.start_main_~i~0 Int)) (or (= (+ c_~N~0 1) (select (let ((.cse10 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse11 (+ (* ULTIMATE.start_main_~i~0 8) c_ULTIMATE.start_main_~a~0.offset))) (store .cse10 .cse11 (+ (select .cse10 .cse11) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|)))) c_ULTIMATE.start_main_~a~0.offset)) (< (+ ULTIMATE.start_main_~i~0 1) c_~N~0)))))) is different from false [2021-11-07 01:48:45,832 WARN L207 SmtUtils]: Spent 16.47 s on a formula simplification that was a NOOP. DAG size: 106 [2021-11-07 01:49:09,139 WARN L207 SmtUtils]: Spent 16.93 s on a formula simplification that was a NOOP. DAG size: 110